NPPES file of Aug 9, 2026

Thomas Allen Hamlin, M.D.

Psychiatry Physician · Houston, TX

Thomas Allen Hamlin, M.D. is a psychiatry physician with a practice address in Houston, Texas, and NPI 1114009131, issued on Oct 19, 2006. Check the license (Texas F1045, 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
1114009131
Name
Thomas Allen Hamlin
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
F1045 TX
Self-reported in NPPES; status is on the state search
Practice location
6410 Fannin St, Houston, TX 77030
Phone
(713) 791-1364
Enumerated
Oct 19, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(713) 791-9742
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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8 nearest psychiatry physician records → All 3,318 in Texas → Look up another NPI →

Also registered at 6410 Fannin St

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

  1. Mohammad AbdulmonemPediatric Endocrinology Physician1356226161
  2. Katelyn AbelStudent in an Organized Health Care Education/Training Program1063350106
  3. Yewande Adesanya, ACNPAcute Care Nurse Practitioner1922374974
  4. Olasunkanmi Adeyinka, M.D.Family Medicine Physician1013948181
  5. Roukaya Al Hammoud, MDPediatric Infectious Diseases Physician1619107190
  6. Rami Aladham, M.D.Student in an Organized Health Care Education/Training Program1457739260

Verify Thomas Allen Hamlin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license F1045    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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Industry payments in 2024: $270.86

3 payments; by number, the most common kind was food and beverage; the largest payer was Neurocrine Biosciences, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Hamlin$270.86
  2. Specialty average$4,954.93

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

Thomas Allen Hamlin among 3,318 psychiatry physician records in Texas

Thomas Allen Hamlin, M.D. is one of 3,318 psychiatry physician records with a practice address in Texas. 72% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 65% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2007 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Texas

There are 3,318 psychiatry physician records in Texas.

All 3,318 in Texas → Every provider in Houston → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Patricia Butler, M.D.Houston, TX 770301174557185
  2. Emilio Cardona, M.D.Houston, TX 770301467456897
  3. Reeba Chacko, M.D.Houston, TX 770301881650786
  4. Inna D'Empaire, MDHouston, TX 770301710904511
  5. Elizabeth David, M.D.Houston, TX 770301184642423
  6. Herbert Dorfan, M.D.Houston, TX 770301346245636
  7. Laura Marsh, M.D.Houston, TX 770301619903770
  8. Anu Matorin, M.D.Houston, TX 770301780618710

Common questions

What is Thomas Allen Hamlin, M.D.'s NPI number?

Thomas Allen Hamlin, M.D.'s National Provider Identifier (NPI) is 1114009131, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Allen Hamlin, M.D. located?

The NPPES record lists a practice address at 6410 Fannin St, Houston, TX, 77030. Phone: (713) 791-1364. Providers update this record themselves, so call before visiting.

How can I verify Thomas Allen Hamlin, M.D.'s license?

NPPES lists Texas license number F1045, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.