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JOHN MICHAEL BRENNAN M.D, P.A.
NPI 1336123173
Psychiatry & Neurology - Psychiatry in Dallas, TX

Active since December 05, 2005PECOS EnrolledAccepts Medicare Assignment
7557 RAMBLER RD STE 565, DALLAS, TX 75231(214) 824-2273(214) 826-9340 Get Directions Write a Review

NPPES record last updated: December 2, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John Michael Brennan M.d, P.a. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN MICHAEL BRENNAN M.D, P.A. (NPI 1336123173) is an individual psychiatry provider in Dallas, Texas, licensed in Texas (J3750) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Baylor University Medical Center, and is a graduate of University Of Texas Southwestern Medical School At Dallas (1989).

NPPES Registry Identity

NPI1336123173
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameJOHN MICHAEL BRENNANCredential: M.D, P.A.
Location Address7557 RAMBLER RD STE 565Dallas, TX 75231-2373
Mailing Address7557 Rambler Rd Ste 565Dallas, TX 75231-2373 · (214) 824-2273 · Fax (214) 826-9340
Phone(214) 824-2273
Fax(214) 826-9340
Sole ProprietorYes
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 1989
Enumeration DateDecember 5, 2005
Last NPPES UpdateDecember 2, 2025
NPPES CertifiedDecember 2, 2025
✔ NPI 1336123173 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in TX · J3750
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
7557 RAMBLER RD STE 565, Dallas, TX 75231
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Other Identifiers 2

Medicaid0359267-01TX
Other4480010TX · Aetna

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

John Michael Brennan M.d, P.a. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5890851133
PECOS Enrollment IDI20090318000517
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
276 services112 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
251 services108 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
181 services102 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Baylor University Medical Center

Acute Care Hospitals · Dallas, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450021
Location3500 Gaston AveDallas, TX 75246 · Dallas County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75231 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$172.86 typical visit price
range $57.18 – $172.86
Typical copayment $43.21 (range $14.29 – $43.21)
Most-billed visit code 99205
Established Patient
$71.28 typical visit price
range $18.48 – $141.20
Typical copayment $17.82 (range $4.62 – $35.30)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
100%58 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

J. MICHAEL BRENNAN, M.D., P.A.
Psychiatry & Neurology (Psychiatry)
7557 RAMBLER RD STE 565
DALLAS, TX 75231
Dallas County (214) 824-2273

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Brennan's NPI number?

The NPI number for John Brennan is 1336123173. It was assigned to this individual provider in the NPPES registry on December 5, 2005.

Where is John Brennan located?

John Brennan practices at 7557 Rambler Rd Ste 565, Dallas, TX 75231. The listed phone number is (214) 824-2273.

What is John Brennan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is John Brennan enrolled in Medicare?

Yes. John Brennan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Brennan accept?

Health plans from Baylor Scott and White Health Plan list John Brennan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Brennan affiliated with any hospitals?

According to CMS data, John Brennan is affiliated with Baylor University Medical Center.

When was this NPI record last updated?

The NPPES record for John Brennan was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.