NPPES file of Aug 9, 2026

Ann H. Messer, MD

Family Medicine Physician · Austin, TX

Ann H. Messer, MD is a family medicine physician with a practice address in Austin, Texas, and NPI 1154452050, issued on Mar 9, 2007. Check the license (Texas J7584, 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
1154452050
Name
Ann H. Messer
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
J7584 TX
Self-reported in NPPES; status is on the state search
Practice location
408 W 45TH St, Austin, TX 78751
Phone
(512) 451-5800
Enumerated
Mar 9, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(512) 451-6341
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 408 W 45TH St

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

  1. Yazmine Araya, APRN, AGACNP-BCNurse Practitioner1417804972
  2. Laura Ashley, LICENSED DIETITIANRegistered Dietitian1144481037
  3. Judith Betts, MDNephrology Physician1992735120
  4. Celestina Binner, FNP-CFamily Nurse Practitioner1497208151
  5. Heidi Booth, CNSAdult Health Clinical Nurse Specialist1144512070
  6. Julie BoswellRegistered Dietitian1568496032

Verify Ann H. Messer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license J7584
    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

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Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs

31 Medicare Part D claims for 24 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.

  1. Ann Messer31
  2. Specialty average3,544

Most prescribed

Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.

  1. Shingrix13 claims
  2. Abrysvo12 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.

Ann H. Messer among 11,119 family medicine physician records in Texas

Ann H. Messer, MD 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 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 45% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2007 · 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. Steven Crow, MDAustin, TX 787511720010903
  2. Mark Dickey, MDAustin, TX 787511326118183
  3. Lisa Glenn, MDAustin, TX 787511881649564
  4. Raymond Glover, M.D.Austin, TX 787511265573786
  5. Michael Gutierrez, MDAustin, TX 787511770664427
  6. Michelle Lee, MDAustin, TX 787511568559318
  7. Clifford Porter, MDAustin, TX 787511508008947
  8. Rita Schindeler-Trachta, DOAustin, TX 787511235281882

Common questions

What is Ann H. Messer, MD's NPI number?

Ann H. Messer, MD's National Provider Identifier (NPI) is 1154452050, issued on Mar 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ann H. Messer, MD located?

The NPPES record lists a practice address at 408 W 45TH St, Austin, TX, 78751. Phone: (512) 451-5800. Providers update this record themselves, so call before visiting.

How can I verify Ann H. Messer, MD's license?

NPPES lists Texas license number J7584, 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 Ann H. Messer, MD prescribe under Medicare Part D?

In 2024, Ann H. Messer, MD had 31 Medicare Part D claims for 24 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.