Norman David Tzou, MD
Family Medicine Physician · Gaithersburg, MD
Norman David Tzou, MD is a family medicine physician with a practice address in Gaithersburg, Maryland, and NPI 1578659512, issued on Oct 5, 2006. Check the license (Maryland D0050880, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Norman David Tzou
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- D0050880 MD
Self-reported in NPPES; status is on the state search - Practice location
- 849 Quince Orchard Blvd, Gaithersburg, MD 20878
- Phone
- (301) 569-7246
- Enumerated
- Oct 5, 2006
- Record last updated
- Apr 27, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (301) 363-2295
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
Also registered at 849 Quince Orchard Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Norman David Tzou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0050880Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Norman David Tzou among 1,912 family medicine physician records in Maryland
Norman David Tzou, MD is one of 1,912 family medicine physician records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 54% newer
- In a Medicare fileNo · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2012 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 family medicine physician records list a practice address in Gaithersburg
They are 30 of the 2,580 NPPES records with a practice address in Gaithersburg, and 1,912 family medicine physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,912 in Maryland → Every provider in Gaithersburg → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Bonnie Arze, MDGaithersburg, MD 208781245885672
- Mark Davis, M.D.North Potomac, MD 208781740598804
- Shikha Deva, MDDarnestown, MD 208781114245966
- Anna Ford, M.D.Gaithersburg, MD 208781760913826
- Daniel Gold, M.D.Gaithersburg, MD 208781952669236
- Jeremy Janssen, M.D.Gaithersburg, MD 208781255414371
- Robert Levine, D.O.Gaithersburg, MD 208781417274432
- Christian Nwankwo, M.D., MPH, FAAFPGaithersburg, MD 208781881765170
Common questions
What is Norman David Tzou, MD's NPI number?
Norman David Tzou, MD's National Provider Identifier (NPI) is 1578659512, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Norman David Tzou, MD located?
The NPPES record lists a practice address at 849 Quince Orchard Blvd, Gaithersburg, MD, 20878. Phone: (301) 569-7246. Providers update this record themselves, so call before visiting.
How can I verify Norman David Tzou, MD's license?
NPPES lists Maryland license number D0050880, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.