John Michael Brennan, M.D, P.A.
Psychiatry Physician · Dallas, TX
John Michael Brennan, M.D, P.A. is a psychiatry physician with a practice address in Dallas, Texas, and NPI 1336123173, issued on Dec 5, 2005. Check the license (Texas J3750, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Michael Brennan
- Credential
- M.D, P.A.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- J3750 TX
Self-reported in NPPES; status is on the state search - Practice location
- 7557 Rambler RD Ste 565, Dallas, TX 75231
- Phone
- (214) 824-2273
- Enumerated
- Dec 5, 2005
- Record last updated
- Dec 2, 2025
- Fax
- (214) 826-9340
- Medicaid ID
- 0359267-01 TX
- Medicare enrollment
- Enrolled (PECOS I20090318000517); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 3,318 in Texas → Look up another NPI →
Verify John Michael Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J3750Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average psychiatry physician in 2024
3,225 Medicare Part D claims for 243 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Clonazepam339 claims
- Alprazolam318 claims
- Dextroamphetamine-Amphetamine267 claims
- Trazodone Hcl241 claims
- Venlafaxine Hcl Er196 claims
- Zolpidem Tartrate178 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: $2,517.80
114 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Michael Brennan among 3,318 psychiatry physician records in Texas
John Michael Brennan, M.D, P.A. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated1989 · median 2006 among the 1,481 with a school on file
- Record last updated2025 · 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).
419 psychiatry physician records list a practice address in Dallas
They are 419 of the 36,304 NPPES records with a practice address in Dallas, and 3,318 psychiatry physician records in Texas.
All 3,318 in Texas → Every provider in Dallas → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Marvin Dodson, M.D.Dallas, TX 752311710917901
- Carissa Enright, CNSDallas, TX 752311134189913
- Kathleen Erdman, MDDallas, TX 752311083788830
- Jennifer Fries, LCSWDallas, TX 752311073574158
- Ann Gardea, MDDallas, TX 752311770599805
- Donald Hafer, PH. D.Dallas, TX 752311295795086
- Allan Heath, MDDallas, TX 752311518934819
- Urszula Kelley, M.D.Dallas, TX 752311033143516
Common questions
What is John Michael Brennan, M.D, P.A.'s NPI number?
John Michael Brennan, M.D, P.A.'s National Provider Identifier (NPI) is 1336123173, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Michael Brennan, M.D, P.A. located?
The NPPES record lists a practice address at 7557 Rambler RD Ste 565, Dallas, TX, 75231. Phone: (214) 824-2273. Providers update this record themselves, so call before visiting.
How can I verify John Michael Brennan, M.D, P.A.'s license?
NPPES lists Texas license number J3750, 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 John Michael Brennan, M.D, P.A. prescribe under Medicare Part D?
In 2024, John Michael Brennan, M.D, P.A. had 3,225 Medicare Part D claims for 243 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.