Kathleen Marie Brennan, MD - Medicare Obstetrics/gynecology in Los Angeles, CA

Kathleen Marie Brennan, MD is a medicare enrolled "Obstetrics & Gynecology - Reproductive Endocrinology" physician in Los Angeles, California. She went to University Of Nebraska College Of Medicine and graduated in 2004 and has 20 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice The Regents Of The University Of California and her current practice location is 200 Medical Plz, Ste 430, Los Angeles, California. You can reach out to her office (for appointments etc.) via phone at (310) 794-7274.

Kathleen Marie Brennan is licensed to practice in California (license number A94984) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1306033741.

Contact Information

Kathleen Marie Brennan, MD
200 Medical Plz, Ste 430,
Los Angeles, CA 90095-0001
(310) 794-7274
Not Available

Map and Direction




Physician's Profile

Full NameKathleen Marie Brennan
GenderFemale
SpecialityObstetrics/gynecology
Experience20 Years
Location200 Medical Plz, Los Angeles, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Kathleen Marie Brennan attended and graduated from University Of Nebraska College Of Medicine in 2004
  NPI Data:
  • NPI Number: 1306033741
  • Provider Enumeration Date: 10/01/2007
  • Last Update Date: 02/12/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 5799845608
  • Enrollment ID: I20081122000020

Medical Identifiers

Medical identifiers for Kathleen Marie Brennan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306033741NPI-NPPES
00A949840MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VE0102XObstetrics & Gynecology - Reproductive Endocrinology A94984 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Regents Of The University Of California014312428951

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Kathleen Marie Brennan allows following entities to bill medicare on her behalf.
Entity NameThe Regents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073582888
PECOS PAC ID: 0143124289
Enrollment ID: O20031120001009

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Kathleen Marie Brennan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Kathleen Marie Brennan, MD
5767 W Century Blvd, Ste 400,
Los Angeles, CA 90045-5631

Ph: (310) 794-7274
Kathleen Marie Brennan, MD
200 Medical Plz, Ste 430,
Los Angeles, CA 90095-0001

Ph: (310) 794-7274

Reviews and Comments


Obstetrics & Gynecology Doctors in Los Angeles, CA

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Dr. Sonya Fabricant, MD
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Ingrid Rodi, M.D.
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Practice Location: 200 Medical Plz, 202, Los Angeles, CA 90095
Phone: 310-794-7274    
Mary Gatter, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 400 W 30th St, Los Angeles, CA 90007
Phone: 213-284-3211    
Dr. James Allan Mcgregor, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1240 N Mission Rd, Room 5k40, Los Angeles, CA 90033
Phone: 323-221-3270    Fax: 323-226-2710
Dr. Crystal Lynn Adams, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2020 Zonal Avenue, Ird 220, Los Angeles, CA 90033
Phone: 323-226-3423    Fax: 323-226-3509
Dr. Vladimir Nossov, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: Department Of Ob/gyn Ucla Medical Center, 10833 Leconte Avenue, Los Angeles, CA 90095
Phone: 310-206-6766    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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