NPPES file of Aug 9, 2026

Michael Armstrong, DO

Family Medicine Physician · Austin, TX

Michael Armstrong, DO is a family medicine physician with a practice address in Austin, Texas, and NPI 1295734937, issued on Jul 15, 2005. Check the license (Texas H4136, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295734937
Name
Michael Armstrong
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
H4136 TX
1598 TN
Self-reported in NPPES; status is on the state search
Practice location
2802 Webberville RD, Austin, TX 78702
Phone
(512) 978-9400
Enumerated
Jul 15, 2005
Record last updated
Jan 11, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040228000310); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2802 Webberville RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. April Collmer, LCSWClinical Social Worker1679324958
  2. Tongny Foadey, M.D.Family Medicine Physician1902035801
  3. Rubi Garcia, FNP-C, RNAdult Health Nurse Practitioner1710418686
  4. Darren Harrison, MB BCH BAOCardiovascular Disease Physician1124517172
  5. Priscilla Hernandez, NPAdult Health Nurse Practitioner1245123181
  6. Jason Jokerst, PHARM.D.Pharmacotherapy Pharmacist1174738330

Verify Michael Armstrong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license H4136
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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95% fewer Medicare Part D claims than the average family medicine physician in 2024

160 Medicare Part D claims for 79 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Michael Armstrong160
  2. Specialty average3,544

Most prescribed

  1. Amoxicillin-Clavulanate Potass33 claims
  2. Methylprednisolone25 claims
  3. Cephalexin11 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.

Industry payments in 2024: $163.53

2 payments; by number, the most common kind was food and beverage; the largest payer was ShockWave Medical, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Armstrong$163.53
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. American Current Care PASan Antonio, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael Armstrong among 11,119 family medicine physician records in Texas

Michael Armstrong, DO is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1987 · median 2004 among the 7,095 with a school on file
  • Record last updated2012 · 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

544 family medicine physician records list a practice address in Austin

They are 544 of the 26,585 NPPES records with a practice address in Austin, and 11,119 family medicine physician records in Texas.

The 8 family medicine physician records with the nearest ZIP codes

  1. Varsha Bilolikar, M.D.Austin, TX 787021952303489
  2. Jeanne Cook, MDAustin, TX 787021205843034
  3. Tongny Foadey, M.D.Austin, TX 787021902035801
  4. Cesar Gerez Martinez, M.DAustin, TX 787021881853885
  5. Amina Haji, M.D.Austin, TX 787021235140153
  6. Jacqueline Kerr, M.D.Austin, TX 787021215948120
  7. Margaret Kini, M.D.Austin, TX 787021942287065
  8. Yu-Mei Liu, M.D.Austin, TX 787021215949607

Common questions

What is Michael Armstrong, DO's NPI number?

Michael Armstrong, DO's National Provider Identifier (NPI) is 1295734937, issued on Jul 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Michael Armstrong, DO located?

The NPPES record lists a practice address at 2802 Webberville RD, Austin, TX, 78702. Phone: (512) 978-9400. Providers update this record themselves, so call before visiting.

How can I verify Michael Armstrong, DO's license?

NPPES lists Texas license number H4136, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael Armstrong, DO prescribe under Medicare Part D?

In 2024, Michael Armstrong, DO had 160 Medicare Part D claims for 79 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.