Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mary Ann Nau Johnson, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1508177163

Mary Ann Nau Johnson, MD is a Dermatology in El Dorado Hills, California. Qualified in 2009, 17 years ago. Practices with Dignity Health Medical Foundation, a 1,204-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
17
Licensed in
CA
In the registry since
2010
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1264 Hawks Flight Ct Ste 100
El Dorado Hills, CA 95762-9348
Phone: (916) 939-8400
Fax: (916) 933-5013
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence A113258 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Procedural Dermatology Physician Taxonomy 207NS0135X · Licence A113258 (CA)

Record details

NPI number1508177163
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 29, 2010
Last updated in NPPESJuly 14, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDERMATOLOGY
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Dignity Health Medical Foundation — 1204 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in El Dorado Hills