NPPES file of Aug 9, 2026

Derrick Akira Hamaoka, M.D.

Psychiatry Physician · Ft Sam Houston, TX

Derrick Akira Hamaoka, M.D. is a psychiatry physician with a practice address in Ft Sam Houston, Texas, and NPI 1487711230, issued on Jan 2, 2007. Check the license on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1487711230
Name
Derrick Akira Hamaoka
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
0101231389 VA
Self-reported in NPPES; status is on the state search
Practice location
3551 Roger Brooke Dr, Ft Sam Houston, TX 78234
Phone
(210) 539-9582
Enumerated
Jan 2, 2007
Record last updated
Oct 3, 2021 (not updated in 5 years: call before relying on the address or phone)
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 3551 Roger Brooke Dr

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

  1. Gary Barber, M.D.Emergency Medicine Physician1043444664
  2. Paul KuwikPhysical Therapist1699181818
  3. Brian McMillan, D.O.Anesthesiology Physician1326157363
  4. Travis Whiteside, PHARM.D.Pharmacist1518235753
  5. Larry Williams, PA-CPhysician Assistant1699274498

Verify Derrick Akira Hamaoka in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical BoardCheck 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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1 psychiatry physician records list a practice address in Ft Sam Houston

They are 1 of the 43 NPPES records with a practice address in Ft Sam Houston, and 3,318 psychiatry physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other psychiatry physician records in Texas

  1. Jeffrey AbassHouston, TX1851897730
  2. Arqam AbdaliHouston, TX1730615337
  3. Deana Abdel-Reheim, MDLufkin, TX1467696591
  4. Omar Abdelaziz, MDGalveston, TX1962140871
  5. Olumuyiwa Abdul, MDRichmond, TX1285898940
  6. Amina AbdullaHouston, TX1811906480
  7. Firas Abdulla, MDPlano, TX1356964621
  8. Akeel AbdullahHouston, TX1619473832
  9. Aurif Abedi, MDMcKinney, TX1922064922
  10. Nathalie Abenoza, MDDallas, TX1518543495

Common questions

What is Derrick Akira Hamaoka, M.D.'s NPI number?

Derrick Akira Hamaoka, M.D.'s National Provider Identifier (NPI) is 1487711230, issued on Jan 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Derrick Akira Hamaoka, M.D. located?

The NPPES record lists a practice address at 3551 Roger Brooke Dr, Ft Sam Houston, TX, 78234. Phone: (210) 539-9582. Providers update this record themselves, so call before visiting.

How can I verify Derrick Akira Hamaoka, M.D.'s license?

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. 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.