J. Michael Brennan, M.D., P.A.
NPI 1669661799 · Psychiatry Physician · Dallas, TX
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
J. Michael Brennan, M.D., P.A. is a Psychiatry Physician organization in Dallas, TX (NPI 1669661799).
Provider details
- NPI number
- 1669661799
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sanjuanita Hatter, Administrative Assistant(214) 824-2273
- License
- J3750 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-10-15
- Last updated
- 2025-12-15
- Certified
- 2025-12-15
Frequently asked questions
- What is J. Michael Brennan, M.D., P.A.'s NPI number?
- J. Michael Brennan, M.D., P.A.'s National Provider Identifier (NPI) is 1669661799, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is J. Michael Brennan, M.D., P.A.?
- J. Michael Brennan, M.D., P.A. is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is J. Michael Brennan, M.D., P.A. located?
- J. Michael Brennan, M.D., P.A.'s practice location on file with NPPES is 7557 Rambler Rd Ste 565, Dallas, TX 75231-2373.
- What is J. Michael Brennan, M.D., P.A.'s phone number?
- The practice phone number listed in the NPPES registry for J. Michael Brennan, M.D., P.A. is (214) 824-2273.
- Does J. Michael Brennan, M.D., P.A. accept Medicare?
- J. Michael Brennan, M.D., P.A. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for J. Michael Brennan, M.D., P.A.?
- The authorized official listed on J. Michael Brennan, M.D., P.A.'s NPPES record is Sanjuanita Hatter, Administrative Assistant. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is J. Michael Brennan, M.D., P.A.'s NPI active?
- Yes — J. Michael Brennan, M.D., P.A.'s NPI (1669661799) is active in the NPPES registry as of the last update on 2025-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.