John Michael Brennan

M.D, P.A. | Psychiatry | 37+ years Exp


  7557 Rambler Rd Ste 565, Dallas
     Texas, 75231-2373
  214-824-2273    214-826-9340 Maps & Directions
John Michael Brennan is a Dallas, Texas based psychiatrist with 37 years of experience in Psychiatry. He completed his graduation from University Of Texas Southwestern Medical School At Dallas in 1989. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of John Michael Brennan is J3750 for Psychiatry in Texas. His current practice location is 7557 Rambler Rd Ste 565, Dallas. Patients can reach him at 214-824-2273 or can fax him at 214-826-9340. John Michael Brennan is M.D, P.A. in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1336123173.
John Michael Brennan 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.
Complete Profile:
John Michael Brennan speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.
Name: John Michael Brennan
Specialization: Psychiatry
Gender:Male
Credentials: M.D, P.A.
Experience: 37+ years
Medical School Attended:University Of Texas Southwestern Medical School At Dallas
Graduation Year:1989
Accepts Medicare Assignment:Yes
Practice Address:7557 Rambler Rd Ste 565, Dallas,
Texas, 75231-2373
Phone:214-824-2273
Fax:214-826-9340
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.
PAC ID: 5890851133
Enrollment ID: I20090318000517
NPI Number: 1336123173
NPI Enumeration Date: 05 Dec, 2005
NPI Last Update On: 02 Dec, 2025

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for John Michael Brennan are as mentioned below.
License NumberSpecializationStateStatus
J3750Psychiatry TexasPrimary
Hospital Affiliation:
Surgeons are affiliated to many hospitals whom they worked with in the past or are presently working with. One surgeon can be affiliated to four to five hospitals at a time.
Hospital Name (CCN) State Hospital Type
(450021)Dallas, TXAcute Care Hospital
Other Medical Identifiers:
Other legacy medical identifiers associated with John Michael Brennan such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
0359267-01MedicaidTexas
4480010OtherTexasAETNA
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: John Michael Brennan
7557 Rambler Rd Ste 565,
Dallas, Texas
Zip: 75231-2373
Phone Number: 214-824-2273
Fax Number: 214-826-9340
Patients can reach John Michael Brennan at 7557 Rambler Rd Ste 565, Dallas, Texas or can call to book an appointment on 214-824-2273.
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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.