Physician Profile

Charles A. Moser, PhD, M.D.

Unclaimed Profile

About Dr. Moser

Charles A. Moser, PhD, M.D. practices internal medicine in San Francisco, CA. According to Medicare claims data, the services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA licenseG75487
NPI1083615983
NPI issued08/02/2005

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Medicare opt-outYes, since May 2025
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Charles A. Moser, PhD?

Charles A. Moser, PhD is an internist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

What is Charles A. Moser, PhD's address?

Charles A. Moser, PhD is listed at 45 Castro St, San Francisco, CA 94114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Charles A. Moser, PhD?

The number on file is (415) 600-4900. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Charles A. Moser, PhD?

Charles A. Moser, PhD's National Provider Identifier is 1083615983. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

How much experience does Charles A. Moser, PhD have?

Charles A. Moser, PhD has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

What procedures does Charles A. Moser, PhD perform?

According to Medicare billing data, Charles A. Moser, PhD the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Charles A. Moser, PhD's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Charles A. Moser, PhD. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.