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

Dr. Melissa Ann Frederick, MD

Individual provider Internal Medicine Physician · NPI 1033238076

Dr. Melissa Ann Frederick, MD is an Internal Medicine in Millbrae, California. Graduated from Medical College of Ohio in 2004, 22 years ago. Practices with Acn Medical Group Inc, a 2-clinician group and accepts Medicare assignment. Licensed in California and Michigan.

Years since qualifying
22
Trained at
Medical College of Ohio
Licensed in
CA, MI
In the registry since
2007
Specialties on file
2
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

423 Broadway Ste 604
Millbrae, CA 94030-1905
Phone: (650) 732-9721
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A116626 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301084237 (MI)

Record details

NPI number1033238076
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 29, 2007
Last updated in NPPESFebruary 21, 2015
Mailing address423 Broadway Ste 604, Millbrae, CA 94030-1905

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesCARDIAC ELECTROPHYSIOLOGY
Medical schoolMEDICAL COLLEGE OF OHIO
Graduated 2004 (22 years in practice)
Group practice Acn Medical Group Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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