James Flack, M. D.
Psychiatry Physician · Houston, TX
James Flack, M. D. is a psychiatry physician with a practice address in Houston, Texas, and NPI 1952315137, issued on Jul 27, 2006. Check the license (Texas H3566, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- James Flack
- Credential
- M. D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- H3566 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2801 Gessner Dr, Houston, TX 77080
- Phone
- (713) 275-5086
- Enumerated
- Jul 27, 2006
- Entity
- Type 1 · individual
Also registered at 2801 Gessner Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jon Allen, PH.D.Clinical Psychologist1083814776
- Bettina Cardus, M.D.Internal Medicine Physician1164548624
- Norma ClarkeChild & Adolescent Psychiatry Physician1154446391
- Alinda Gary, M.D.Psychiatry Physician1790905834
- George Haslam-Hopwood, PSYDClinical Psychologist1912105131
- Janet Hickey, MDPsychiatry Physician1033371802
Verify James Flack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H3566Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
99% fewer Medicare Part D claims than the average psychiatry physician in 2024
11 Medicare Part D claims, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
665 psychiatry physician records list a Houston practice address
They are 665 of the 61,221 NPPES records with a Houston practice address, and 3,071 psychiatry physician records in Texas.
All 665 in Houston → All 3,071 in Texas → Every provider in Houston →
Other psychiatry physician records in Texas
- Deana Abdel-Reheim, MDLufkin, TX1467696591
- Omar Abdelaziz, MDGalveston, TX1962140871
- Olumuyiwa Abdul, MDRichmond, TX1285898940
- Amina AbdullaHouston, TX1811906480
- Firas Abdulla, MDPlano, TX1356964621
- Akeel AbdullahHouston, TX1619473832
- Aurif Abedi, MDMcKinney, TX1922064922
- Nathalie Abenoza, MDDallas, TX1518543495
- Oseni Abiri, APRNHouston, TX1629619358
- Frieda Aboul-Fotouh, M.D.Houston, TX1437394293
Common questions
What is James Flack, M. D.'s NPI number?
James Flack, M. D.'s National Provider Identifier (NPI) is 1952315137, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Flack, M. D. located?
The NPPES record lists a practice address at 2801 Gessner Dr, Houston, TX, 77080. Phone: (713) 275-5086. Providers update this record themselves, so call before visiting.
How can I verify James Flack, M. D.'s license?
NPPES lists Texas license number H3566, 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 James Flack, M. D. prescribe under Medicare Part D?
In 2024, James Flack, M. D. had 11 Medicare Part D claims; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.