Thomas William Armstrong, MD
Family Medicine Physician · Huntsville, AL
Thomas William Armstrong, MD is a family medicine physician with a practice address in Huntsville, Alabama, and NPI 1508890617, issued on Jul 11, 2006. Check the license (Alabama 00006017, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Thomas William Armstrong
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 00006017 AL
Self-reported in NPPES; status is on the state search - Practice location
- 250 Chateau Dr SW, Huntsville, AL 35801
- Phone
- (256) 880-6542
- Enumerated
- Jul 11, 2006
- Record last updated
- Oct 11, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (256) 880-6543
- Medicaid ID
- 051555831 AL
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,996 in Alabama → Look up another NPI →
Also registered at 250 Chateau Dr SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bala Chennupati, M.D.Internal Medicine Physician1922080084
- Darrell Doucette, M.D.Specialist1932369287
- Edward Facundus, MDSpecialist1588622617
Verify Thomas William Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 00006017Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
16 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Thomas William Armstrong among 1,996 family medicine physician records in Alabama
Thomas William Armstrong, MD is one of 1,996 family medicine physician records with a practice address in Alabama. 84% 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, 52% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2012 · 55% 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 Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
168 family medicine physician records list a practice address in Huntsville
They are 168 of the 5,555 NPPES records with a practice address in Huntsville, and 1,996 family medicine physician records in Alabama.
All 1,996 in Alabama → Every provider in Huntsville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- John Blankenship, DOHuntsville, AL 358011013994342
- David Calderwood, MDHuntsville, AL 358011235110586
- Michael Carter, M.D.Huntsville, AL 358011427045152
- James Chambers, M.D.Huntsville, AL 358011598765588
- Norman Ervin, M. D.Huntsville, AL 358011821089012
- Tobin Fisher, MDHuntsville, AL 358011447231014
- Forest Herrington, MDHuntsville, AL 358011417938085
- Herbert Holdsambeck, MDHuntsville, AL 358011649251216
Common questions
What is Thomas William Armstrong, MD's NPI number?
Thomas William Armstrong, MD's National Provider Identifier (NPI) is 1508890617, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas William Armstrong, MD located?
The NPPES record lists a practice address at 250 Chateau Dr SW, Huntsville, AL, 35801. Phone: (256) 880-6542. Providers update this record themselves, so call before visiting.
How can I verify Thomas William Armstrong, MD's license?
NPPES lists Alabama license number 00006017, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas William Armstrong, MD prescribe under Medicare Part D?
In 2024, Thomas William Armstrong, MD had 16 Medicare Part D claims; 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.