Physician Profile
Margaret Calloway, M.D.
Unclaimed ProfileAbout Dr. Calloway
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Specialty
Credentials & Licensing
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
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (301) 295-1602
- Email not available
Practice Locations
4301 JONES BRIDGE RD OFFICE OF THE DEAN
Bethesda, MD 20814
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What kind of doctor is Margaret Calloway?
Margaret Calloway is an infectious disease specialist in Bethesda, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Infectious Disease”.
NPI registry
What is Margaret Calloway's address?
Margaret Calloway is listed at 4301 Jones Bridge Rd Office of the Dean, Bethesda, MD 20814. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Margaret Calloway?
The number on file is (301) 295-1602. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Margaret Calloway's NPI number?
Margaret Calloway's National Provider Identifier is 1881677888. 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 long has Margaret Calloway been practicing?
Margaret Calloway 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
Has Margaret Calloway confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Margaret Calloway. 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.