John Armstrong, DO
Family Medicine Physician · Tampa, FL
John Armstrong, DO is a family medicine physician with a practice address in Tampa, Florida, and NPI 1194767335, issued on Jun 12, 2006. Check the license (Florida OS11533, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- John Armstrong
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- OS11533 FL
MB58247 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 2810 W Saint Isabel St Ste 201, Tampa, FL 33607
- Phone
- (813) 890-8004
- Enumerated
- Jun 12, 2006
- Record last updated
- May 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (813) 290-9691
- Medicaid ID
- 014101800 FL
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 9,399 in Florida → Look up another NPI →
Also registered at 2810 W Saint Isabel St Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS11533Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average family medicine physician in 2024
1,437 Medicare Part D claims for 40 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Potassium Chloride112 claims
- Furosemide76 claims
- Myrbetriq63 claims
- Atorvastatin Calcium55 claims
- Eliquis51 claims
- Xarelto48 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
John Armstrong among 9,399 family medicine physician records in Florida
John Armstrong, DO is one of 9,399 family medicine physician records with a practice address in Florida. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 55% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2020 · 51% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
366 family medicine physician records list a practice address in Tampa
They are 366 of the 26,440 NPPES records with a practice address in Tampa, and 9,399 family medicine physician records in Florida.
All 9,399 in Florida → Every provider in Tampa → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Karen Castellano, M.D.Tampa, FL 336071275725749
- Charles Cox, MD, MPH, MMMTampa, FL 336071164621850
- Anthony Duany, M.D.Tampa, FL 336071790716975
- Jose Garcia, M.D.Tampa, FL 336071023010832
- Brunel Joseph, MDTampa, FL 336071245493089
- John Kauzlarich, D.OTampa, FL 336071457300212
- Pierre Leger, MDTampa, FL 336071992814735
- Robert Mirsky, MDTampa, FL 336071568479129
Common questions
What is John Armstrong, DO's NPI number?
John Armstrong, DO's National Provider Identifier (NPI) is 1194767335, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Armstrong, DO located?
The NPPES record lists a practice address at 2810 W Saint Isabel St Ste 201, Tampa, FL, 33607. Phone: (813) 890-8004. Providers update this record themselves, so call before visiting.
How can I verify John Armstrong, DO's license?
NPPES lists Florida license number OS11533, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Armstrong, DO prescribe under Medicare Part D?
In 2024, John Armstrong, DO had 1,437 Medicare Part D claims for 40 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.