Mary Ann N. Johnson, MD

University	Degree	Focus	Graduated
Florida State University College of Medicine	Doctorate	Other	Not Specified

Institution	Focus	Year
Residency - UC Davis Medical Center - Office of the Registrar	Other	Not Specified

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Review by Anonymous on January 29, 2026 -

Primary & Specialty Care - Mercy Medical Group - El Dorado Hills, CA 1264 Hawks Flight Ct Suite 100 95762 - 1264 Hawks Flight Ct Suite 100

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Responded to all my concerns... ”

Responded to all my concerns

Verified Patient

“Responded to all my concerns...”

Responded to all my concerns

Anonymous 01/29/2026

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Review by Anonymous on December 12, 2025 -

Primary & Specialty Care - Mercy Medical Group - El Dorado Hills, CA 1264 Hawks Flight Ct Suite 100 95762 - 1264 Hawks Flight Ct Suite 100

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ I wish she could be my Primary C... ”

I wish she could be my Primary Care Physician!

Verified Patient

“I wish she could be my Primary C...”

I wish she could be my Primary Care Physician!

Anonymous 12/12/2025

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Review by Anonymous on November 11, 2025 -

Primary & Specialty Care - Mercy Medical Group - El Dorado Hills, CA 1264 Hawks Flight Ct Suite 100 95762 - 1264 Hawks Flight Ct Suite 100

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr. Mary Ann Johnson is an excel... ”

Dr. Mary Ann Johnson is an excellent dermatologist - knowledgeable, easy to talk to, and genuinely caring. She communicates clearly, listens attentively, and makes you feel completely at ease.

Verified Patient

“Dr. Mary Ann Johnson is an excel...”

Dr. Mary Ann Johnson is an excellent dermatologist - knowledgeable, easy to talk to, and genuinely caring. She communicates clearly, listens attentively, and makes you feel completely at ease.

Anonymous 11/11/2025

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Review by Anonymous on October 27, 2025 -

Primary & Specialty Care - Mercy Medical Group - El Dorado Hills, CA 1264 Hawks Flight Ct Suite 100 95762 - 1264 Hawks Flight Ct Suite 100

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Doctor is not as thorough as she... ”

Doctor is not as thorough as she once was with examining my body for skin cancer. Which I have a tendency to get.

Verified Patient

“Doctor is not as thorough as she...”

Doctor is not as thorough as she once was with examining my body for skin cancer. Which I have a tendency to get.

Anonymous 10/27/2025

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Review by Anonymous on October 11, 2025 -

Primary & Specialty Care - Mercy Medical Group - El Dorado Hills, CA 1264 Hawks Flight Ct Suite 100 95762 - 1264 Hawks Flight Ct Suite 100

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Professional, friendly, helpful ... ”

Professional, friendly, helpful service

Verified Patient

“Professional, friendly, helpful ...”

Professional, friendly, helpful service

Anonymous 10/11/2025

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Review by Anonymous on December 18, 2025 -

Primary & Specialty Care - Mercy Medical Group - El Dorado Hills, CA 1264 Hawks Flight Ct Suite 100 95762 - 1264 Hawks Flight Ct Suite 100

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ I have been going to Dr. Johnson... ”

I have been going to Dr. Johnson for several years and she is without a doubt one of the best dermatologist's I have ever had. Having served 30 years in the military I have had my share of many different dermatologists. Dr. Johnson is in the top 5%.

Verified Patient

“I have been going to Dr. Johnson...”

Anonymous 12/18/2025

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Review by Anonymous on November 15, 2025 -

Primary & Specialty Care - Mercy Medical Group - El Dorado Hills, CA 1264 Hawks Flight Ct Suite 100 95762 - 1264 Hawks Flight Ct Suite 100

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr. Johnson is an outstanding ph... ”

Dr. Johnson is an outstanding physician!

Verified Patient

“Dr. Johnson is an outstanding ph...”

Dr. Johnson is an outstanding physician!

Anonymous 11/15/2025

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Review by Anonymous on November 03, 2025 -

Primary & Specialty Care - Mercy Medical Group - El Dorado Hills, CA 1264 Hawks Flight Ct Suite 100 95762 - 1264 Hawks Flight Ct Suite 100

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Efficient, Professional and On T... ”

Efficient, Professional and On Time...

Verified Patient

“Efficient, Professional and On T...”

Efficient, Professional and On Time...

Anonymous 11/03/2025

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Review by Anonymous on October 18, 2025 -

Primary & Specialty Care - Mercy Medical Group - El Dorado Hills, CA 1264 Hawks Flight Ct Suite 100 95762 - 1264 Hawks Flight Ct Suite 100

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr. Johnson and her nurse were e... ”

Dr. Johnson and her nurse were excellent, positive, and did a great job explaining o me the procedure as they worked their way from start to finish.

Verified Patient

“Dr. Johnson and her nurse were e...”

Dr. Johnson and her nurse were excellent, positive, and did a great job explaining o me the procedure as they worked their way from start to finish.

Anonymous 10/18/2025

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Review by Anonymous on October 01, 2025 -

Primary & Specialty Care - Mercy Medical Group - El Dorado Hills, CA 1264 Hawks Flight Ct Suite 100 95762 - 1264 Hawks Flight Ct Suite 100

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Excellent provider! One of my ve... ”

Excellent provider! One of my very favorites who is actually one of my top three of all of my doctors.

Verified Patient

“Excellent provider! One of my ve...”

Excellent provider! One of my very favorites who is actually one of my top three of all of my doctors.

Anonymous 10/01/2025

Office Hours

Dermatologist - General

Biography

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Office & Staff Evaluation Not rated

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Affiliated Practices

Primary & Specialty Care - Mercy Medical Group - El Dorado Hills, CA

Practice Colleagues

Jamie Martin, PA-C - Physician Assistant

Chelsea Mills, MD - Internal Medicine Physician

Michelle MacDavid, MD - Pediatrician

Dr Efren Wu, MD - Family Medicine Physician

Tetyana Kovalenko, MD - Pediatrician

Dina Medeiros, PA - Physician Assistant

Shideh Chinichian, MD - Family Medicine Physician

Laura Gunther-maher, NP - Nurse Practitioner

Shruthi Shekar, MD - Pediatrician

Angela Mallory, PA-C - Physician Assistant

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

Accepted Insurance

Accepted Insurance