Keli R. Layton-Cunnigan, PA
Diamond Bar, CA 91765
- Mission Heritage Medical Group and Affiliated Physicians
- St. Joseph Heritage Medical Group and Affiliated Physicians
- St. Jude Heritage Medical Group and Affiliated Physicians
St. Jude Heritage Diamond Bar
253 South Diamond Bar Boulevard, Diamond Bar, CA 91765
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About Keli R. Layton-Cunnigan
Keli Layton received her physician assistant training from UC Davis in 2000. Over the years, she has worked in urgent care and emergency rooms. Prior to coming to Providence St. Joseph Health, she worked in a county ER for over 10 years. Keli believes an informed patient is a better patient and will spend ample time with each patient to ensure they are always properly informed.
UC Davis
- National Commission on Certification of Physician Assistants, Physician Assistant

Community Reviews
At Providence, we're dedicated to providing you quality, personalized health care. We are constantly striving to optimize your experience.
As part of ensuring you have a positive experience with Providence, our online provider directory includes ratings and patient comments for select providers. More about our survey.
I was called that Dr. Castro wasn't going to be with St. Jude. I was concerned because I really liked her and felt comfortable. And felt that she treated me like one of her family members. The office schedule me with PA Keli. My husband had had her before and told me that I would be pleased with her. And he was correct.
Providence Patient
Excellent care by Keli. Great follow-up.
Providence Patient
I had a good experience.
Providence Patient
Kelli is exceptional! I felt truly cared for and not rushed.
Providence Patient
It all been good so far my doctor busy a lot but the other doctor I saw was also good
Providence Patient
All went well with no difficulty.
Providence Patient
This was my first visit to this office.
Providence Patient
The visit was beyond excellent
Providence Patient
Scheduling an appointment for my leg pain was very easy. I knew I couldn't wait any longer and I was glad to be able to see anyone same day. I originally wanted to see Sylvia Alonzo, but her appointments were full. I've seen Kelly before and I really liked her last time. Medically Staff were very helpful.
Providence Patient
Everithyng was a very good services, And what l like most was that they treat you with respect. For my firts visit there
Providence Patient
Thank you
Providence Patient
Very sweet and helpful regarding the reason I came in. I would love to see her again!
Providence Patient
Kelli is great! She listens carefully, explains things well, empathizes, provides solutions and treatments as necessary. She is very helpful. Would recommend.
Providence Patient
This was visit was for a pre-surgical clearance
Providence Patient
All good
Providence Patient
Everyone at Providence is wonderful.
Providence Patient
Felt as if there is definite knowledge of lying issues and concerns.
Providence Patient
Very clear explanations of my condition
Providence Patient
Good experience with new care provider. Listened to my issue and ordered appropriate tests.
Providence Patient
Provider was helpful and caring for my health, thank you all
Providence Patient
Provider was thorough in relating pertinent information regarding lab results and asked me if I had any questions.
Providence Patient
I needed forms completed to return to work after retirement and Dr. Kelli Layton completed them after she saw me.
Providence Patient
Visit went very smoothly
Providence Patient
Excelente servicio
Providence Patient
I was surprised I could get a doctor appointment so quickly, even though it was with a PA.
Providence Patient
Always a positive experience
Providence Patient
PA KELI LAYTON WAS EXCELLENT IN EVERYWAY
Providence Patient
PA Keli took very good care of me
Providence Patient
Even though the reception area was short handed, they were still doing a great job.
Providence Patient
She seems not knowledgeable about rashes and didn't provide any useful information on how I can treat the area or things not to eat or take. All she kept saying is "you're on the right track" even I had to go back to her after 2 days because the rash got worse. Didn't prescribe anything to me and I had to ask her for Tiramcinolone
Providence Patient
I'm very satisfied with the service. I would recommend to everyone and I out of 10 being the best I would give her a 10 plus.
Providence Patient
This was my first time with Kelly Layton PA and will most definitely request her in the future!
Providence Patient
Appointments are always easy to a schedule and efficient
Providence Patient
Very good experience.
Providence Patient
Everything is excellent, Thank you so much.
Providence Patient
The PA was very kind and professional.
Providence Patient
I was very impressed with P.A.-C Keli Layton-Cunnigan. Dr. Castro is my PCP. In the future when I'm unable to schedule an appointment with her, I now plan to schedule with Ms. Layton-Cunnigan in Dr. Castro's stead.
Providence Patient
Keli was wonderful.
Providence Patient
Friendly
Providence Patient
Good experience in general.
Providence Patient
Kelly Layton is very good. She listened to me. I gave her a list of things I needed answers to and she did answer all of them. I like her.
Providence Patient
Very pleased with the treatment I received.
Providence Patient
Very good
Providence Patient
Very little waiting time to check in and see the PA.
Providence Patient
My experience was great. Got questions answered as we reviewed my test results and my chart.
Providence Patient
They are very kind I appreciate what they treat me
Providence Patient
Neck pain. Sending me to physical therapy. I don't want any therapist working on my neck without an x-ray. I don't believe I have muscle pain. I believe it's a disc issue.
Providence Patient
The services I asked for, I was given a referral for.
Providence Patient
Keli Layton-Cunnigan addressed my medication concern. Thank you!
Providence Patient
Very good
Providence Patient
Never had a bad experience
Providence Patient
Very nice. Very patient.
Providence Patient
The provider show professionalism and real care for my wellbeing
Providence Patient
This office and the provider is always attentive to my needs.
Providence Patient
Was seen in a timely manner and an acceptable visit.
Providence Patient
I have not had any bad experiences with any of my providers
Providence Patient
Appeared hurried.
Providence Patient
Always caring, patient, clear with expressions and concerned about my well being.
Providence Patient
Not sure if the doctor fully understood and diagnosed my problems. I had to make an appointment with a specialist on my own, happy to have [ID] and be able to do it on my own.
Providence Patient
Provider very professional and concerned. Tech in Ultra Sound room is outstanding and makes you feel at ease
Providence Patient
She was very friendly and concerned about what I was there for!
Providence Patient
Well done
Providence Patient
She was really the best I've had in a long time. She wasn't afraid to touch me. , as a doctor should.
Providence Patient
The Telehealth appointment was delayed but your team kept me up to date every step of the way.The appointment was timely and accurate.Thank you
Providence Patient
Dr. Keli was very knowledgeable, about my health issues. She and her team were very helpful. I'm feeling much better now.
Providence Patient
She listened to my issue and prescribed medication she thought would be best for my medical problem.
Providence Patient
Keli is very respectful and kind. Did not rush the appointment, was thorough in her exam.
Providence Patient
She was very helpful and easy to discuss the problems I was having. I felt she listened and really understood everything I was concerned about. I felt comfortable during the entire visit and thanked her for making my first time visit with her so easy and relaxed!
Providence Patient
Always the best
Providence Patient
The treatment plan is clear and understandable.
Providence Patient
Provider was over 30 minutes late and I felt rushed during my visit. If I didn't tell provider my concerns she never asked "is there anything else that I needed.
Providence Patient
Very good service!
Providence Patient
I prefer st. Jude over any other provider. They've always done a great job.
Providence Patient
Keli is very kind, gentle, and listens to her patients.
Providence Patient
Over all Office visit and referral , very happy with the way things went, just would have liked a sooner appointment then 2 weeks as a possible cancer result!
Providence Patient
Thorough
Providence Patient
All good experiences!
Providence Patient
Wqs able to get two referrels that will help
Providence Patient
I am satisfied with the Doctor and staff's care.Thank you.
Providence Patient
I absolutely love my provider Kelly. She's very easy for me to talk to and she always takes her time with me and I never feel rushed. She explains everything to me so it's easy for me to understand. She makes me feel like she really cares about me and is anxious to figure out what is going on with my health! I would and will highly recommend her to other women or men looking for an amazing provider!
Providence Patient
Looking forward to the follow up in 2 weeks.
Providence Patient
Conditions and Procedures
- Abdominal Cramps
- Abdominal Pain
- Abnormal Bowel Movement
- Abnormal Stool
- Abnormal Weight Loss
- Abrasion
- Acne
- Actinic Cheilitis
- Acute Arthritis
- Acute Back Pain
- Aging
- Alcohol Dependency
- Allergic Conjunctivitis
- Allergic Contact Dermatitis
- Allergic Reaction
- Allergic Rhinitis
- Allergic Wheezing
- Allergies
- Altered Bowel Habits
- Anal Itching
- Anal Pain
- Anemia
- Angular Cheilitis
- Animal Bite
- Ankle Injury
- Ankle Instability
- Anorexia
- Anxiety
- Aphthous Ulcers
- Arm Pain
- Arm Weakness
- Arthralgia
- Asthma
- B12 Deficiency Anemia
- B12 Shots
- Back Injury
- Back Muscle Injury
- Back Muscle Pain
- Back Pain
- Back Spasm
- Bedbugs
- Behavioral Disorders
- Bereavement
- Bilateral Knee Pain
- Birth Control Counseling
- Birthmark
- Bleeding During Intercourse
- Bleeding Hemorrhoids
- Blister
- Blood In Stool
- Blurred Vision
- Breast Discharge
- Breast Examination
- Breast Lump
- Bright Red Blood Per Rectum
- Bronchitis
- Bruising
- Burns
- Camp Physicals
- Celiac Disease
- Cellulitis
- Cerumen Removal
- Chest Pain
- Chest Pain On Breathing
- Chlamydia
- Choking Sensation
- Cholesterol Disorders
- Cholesterol Management
- Chronic Abdominal Pain
- Chronic Cough
- Chronic Diarrhea
- Chronic Disease Management
- Chronic Fatigue Syndrome (Cfs)
- Chronic Kidney Disease (Ckd)
- Chronic Migraines
- Chronic Obstructive Pulmonary Disease
- Chronic Pain
- Claudication
- Cold Intolerance
- Cold Sore
- College Health
- Common Cold
- Concussion
- Concussion Testing
- Conduct Disorder
- Confusion
- Congenital Ear Deformity
- Conjunctivitis
- Constant Nausea
- Constipation
- Contact Dermatitis
- Coping Skills
- Cough
- Cradle Cap
- Cystitis
- Daytime Sleepiness
- Decrease In Appetite
- Decreased Libido
- Dehydration
- Dementia
- Depressed Mood
- Depression
- Dermatophytosis
- Developmental Assessment
- Diabetes Counseling
- Diabetes Education
- Diabetes Management
- Diabetes Mellitus
- Diabetes Therapy
- Diarrhea
- Diet And Exercise
- Diet And Nutrition
- Diplopia
- Disability Evaluation
- Disorder Of Balance
- Distractible
- Diverticulitis
- Dizziness
- Drug Reaction
- Dry Nose
- Dry Scalp
- Dry Sinus
- Dry Skin
- Dyshidrosis
- Dysmenorrhea
- Dyspepsia
- Dysphagia
- Dysphoria
- Dyspnea On Exertion
- Dysuria
- Ear Discharge
- Ear Drainage
- Ear Exam
- Ear Infections
- Ear Pressure
- Earache
- Eating Disorders
- Eczema
- Elbow Pain
- Elbow Sprain
- Emphysema
- Employee Health
- Enlarged Prostate
- Environmental Allergies
- Epicondylitis
- Epigastric Pain
- Epistaxis
- Erectile Disorder
- Eructation
- Erythema
- Executive Physical Examinations
- Eye Infections
- Eye Pain
- Eye Strain
- Face Swelling
- Facial Nerve Palsy And Paresis
- Facial Pain
- Facial Tingling
- Falls
- Family Planning
- Fasciculations
- Fatigue
- Fecal Incontinence
- Feeding Problems
- Fever
- Fever With Chills
- Fibrocystic Breast Changes
- Fibromyalgia
- Finger Pain
- First Degree Burns
- Fitness For Duty Evaluations
- Flatulence
- Floaters
- Flu Shot Vaccination
- Folliculitis
- Food Allergy
- Food Poisoning
- Foot Injury
- Foot Pain
- Frailty
- Frequency Of Urination
- Frequent Urinary Tract Infections
- Gastric Ulcer
- Gastroenteritis
- Gastroesophageal Reflux Disease
- General Well Visit
- Genital Herpes, Female
- Genital Herpes, Male
- Genital Warts
- Gluten Allergy
- Gluten Intolerance
- Gluten Sensitivity
- Gout
- Grave's Disease
- Grief
- Groin Mass
- Groin Pain
- Gum Infection
- Gynecological Exam
- Hand Injury
- Hand Pain
- Head Congestion
- Headache
- Health Maintenance
- Hearing Loss
- Heart Disease
- Heart Murmur
- Heart Racing
- Heat Illness
- Heat Intolerance
- Heel Pain
- Hematochezia
- Hematuria
- Hemoptysis
- Hemorrhoids
- Hepatitis
- Hepatitis A Vaccination
- Hepatitis B Vaccination
- Hernia
- Herpes
- Herpes Zoster
- Herpetic Whitlow
- Hip Pain
- Hirsutism
- Hoarseness
- Hot Flashes
- Human Bites
- Human Immunodeficiency Virus (Hiv)
- Human Papilloma Virus (Hpv)
- Human Papilloma Virus (Hpv) Vaccination
- Hyperglycemia
- Hypertension
- Hyperthyroidism
- Hypothyroidism
- Impacted Cerumen
- Impetigo
- Infectious Mononucleosis
- Influenza
- Ingrown Hair
- Ingrown Nail
- Insect Allergy
- Insulin Resistance
- Intention Tremor
- Interstitial Cystitis
- Intertrigo
- Iron Deficiency Anemia
- Irregular Menstruation
- Irritability
- Itchy Ear
- Jaundice
- Jaw Pain
- Joint Sprain
- Joint Stiffness
- Joint Swelling
- Joint Warmth
- Keloid
- Keratin Cyst
- Keratitis
- Keratosis Pilaris
- Knee Click
- Knee Injury
- Knee Pain
- Labyrinthitis
- Laceration
- Lactose Intolerance
- Laryngitis
- Lateral Epicondylitis
- Lazy Eye
- Leg Numbness
- Leg Pain
- Leg Weakness
- Lethargy
- Lgbtq+ Health
- Lice
- Lifestyle Modification
- Lipomas
- Lower Back Pain
- Lump In Throat
- Lyme Disease
- Lymphadenopathy
- Malaise And Fatigue
- Mastodynia
- Measles Vaccination
- Medial Epicondylitis
- Memory Disorders
- Meningitis Vaccination
- Menopause
- Mens Health
- Migraine
- Migraine Treatment
- Minor Injury
- Missed Periods
- Mmr Vaccine
- Mood Symptoms
- Motion Sickness
- Mouth Bleeding
- Mouth Pain
- Mouth Ulcer
- Muscle Cramps
- Muscle Strain
- Muscle Tears
- Muscle Weakness
- Musculoskeletal Pain
- Myalgia
- Nail Disease
- Nasal Congestion
- Nasal Obstruction
- Nausea
- Neck Muscle Injury
- Neck Pain
- Neck Sprain
- Neonatal Acne
- Nevus
- Newborn Care
- Newborn Feeding Problems
- Night Sweats
- Nightmares
- Nipple Discharge
- Noisy Breathing
- Norovirus
- Nose Pain
- Numbness
- Nutrition And Health
- Nutritional Counseling
- Obesity
- Odynophagia
- Optic Migraines
- Orthopnea
- Orthostatic Hypotension
- Osteoarthritis
- Osteopenia
- Osteoporosis
- Otalgia
- Otitis
- Overweight
- Pain Management
- Palpitations
- Panic Reaction
- Pap Smear
- Paresthesia
- Paronychia
- Patellofemoral Syndrome
- Penile Bleeding
- Penile Discharge
- Performance Anxiety
- Persistent Cough
- Pertussis
- Pharyngitis
- Plantar Fasciitis
- Pleurisy
- Pleuritic Pain
- Pneumonia
- Pneumonia Vaccination
- Poison Ivy
- Poison Oak
- Polypharmacy
- Positional Vertigo
- Post Nasal Drip
- Postcoital Bleeding
- Prediabetes
- Preoperative Evaluation
- Preventive Medicine
- Problems With Smell And Taste
- Prostate Cancer Screening
- Prostate Examination
- Prostate Specific Antigen Blood Test
- Pruritus
- Psychomotor Agitation
- Pulmonary Infections
- Pyelonephritis
- Rash
- Rectal Bleeding
- Rectal Pain
- Reproductive Health / Oral Contraception
- Respiratory Syncytial Virus
- Restless Legs Syndrome
- Retained Tampon
- Rhinitis
- Rosacea
- Scab
- Scabies
- Scaly Skin
- School Anxiety
- School Physical
- Sciatica
- Scratchy Voice
- Scrotal Pain
- Seasonal Allergies
- Seborrheic Dermatitis
- Secondary Enuresis
- Sensitive Skin
- Severe Asthma
- Sexual Health
- Sexually Transmitted Disease (Std)
- Shin Splints
- Shingles Vaccination
- Shortness Of Breath (Sob)
- Shoulder Injury
- Shoulder Pain
- Shoulder Sprain
- Shoulder Strain
- Sickle Cell Disease
- Sinus Pain
- Sinus Pressure
- Sinusitis
- Skin Abscess
- Skin Cancer Screening
- Skin Disease
- Skin Tag
- Skin Tag Removal
- Sleep Disorders
- Sleep Terrors
- Slowing Of Urinary Stream
- Smoker Cough
- Snoring
- Sore Throat
- Spider Bite
- Splinter Removal
- Sports Physical Exam
- Sports Related Concussion Testing
- Sprain
- Sputum Production
- Staphylococcus Infections
- Stomach Cramps
- Stomach Pain
- Stool Changes
- Straining On Urination
- Strep Throat
- Stress Incontinence
- Stridor
- Stye
- Substance Addiction
- Sudden Infant Death Syndrome
- Suicidal Ideation
- Sunburn
- Suture Removal
- Swallowing Problem
- Syncope
- Tachycardia
- Teething
- Tension Headache
- Testicular Pain
- Throat Tightness
- Thumb Dislocation
- Thyroid Disorder
- Tick Borne Infections
- Tinea Capitis
- Tinea Corporis
- Tinea Cruris
- Tinea Pedis
- Tingling
- Tinnitus
- Tobacco Use Cessation
- Tongue Pain
- Tongue Swelling
- Tracheobronchitis
- Travel Medicine
- Traveler's Diarrhea
- Tremor
- Tuberculosis (Tb) Test
- Twitching
- Type 1 Diabetes
- Type 2 Diabetes
- Unsteady Gait
- Upper Back Pain
- Upper Respiratory Infection
- Urethral Discharge
- Urge Incontinence
- Urinary Hesitation
- Urinary Retention
- Urinary Tract Infection
- Urinary Urgency
- Urticaria
- Vaccinations
- Varicella
- Varicella Vaccination
- Vasovagal Syncope
- Vertigo
- Viral Conjunctivitis
- Virtual Care
- Visual Discomfort
- Visual Disturbance
- Vitamin D Deficiency
- Vitamin Deficiency
- Voice Problems
- Vomiting
- Warts
- Weakness
- Weight Loss
- Weight Problem
- Well Child Exam
- Wellness
- Wheezing
- Wrist Pain
- Wrist Sprain
Good service
Providence Patient