Dr Timothy Joseph Brennan, MD - Medicare Family Practice in Castroville, CA

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Dr Timothy Joseph Brennan, MD is a medicare enrolled "Family Medicine" physician in Castroville, California. He went to University Of Cincinnati College Of Medicine and graduated in 1992 and has 33 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Salud Para La Gente and his current practice location is 10561 Merritt St, Castroville, California. You can reach out to his office (for appointments etc.) via phone at (831) 633-1514.

Dr Timothy Joseph Brennan is licensed to practice in California (license number G78406) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1376556944.

Contact Information

Dr Timothy Joseph Brennan, MD
10561 Merritt St,
Castroville, CA 95012-3310
(831) 633-1514
(831) 633-0311

Map and Direction




Physician's Profile

Full NameDr Timothy Joseph Brennan
GenderMale
SpecialityFamily Practice
Experience33 Years
Location10561 Merritt St, Castroville, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Timothy Joseph Brennan attended and graduated from University Of Cincinnati College Of Medicine in 1992
  NPI Data:
  • NPI Number: 1376556944
  • Provider Enumeration Date: 08/14/2006
  • Last Update Date: 12/15/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8729039003
  • Enrollment ID: I20050203000478

Medical Identifiers

Medical identifiers for Dr Timothy Joseph Brennan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1376556944NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine G78406 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Watsonville Community HospitalWatsonville, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Salud Para La Gente872998472935

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. Dr Timothy Joseph Brennan allows following entities to bill medicare on his behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710
Entity NameSalud Para La Gente
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1730169756
PECOS PAC ID: 8729984729
Enrollment ID: O20031210000627

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. Dr Timothy Joseph 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
Dr Timothy Joseph Brennan, MD
3370 Vienna Dr,
Aptos, CA 95003-2826

Ph: (831) 688-4307		Dr Timothy Joseph Brennan, MD
10561 Merritt St,
Castroville, CA 95012-3310

Ph: (831) 633-1514

Reviews and Comments


Family Medicine Doctors in Castroville, CA

Oguchi Nkwocha, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 10561 Merritt St, Castroville, CA 95012
Phone: 831-633-1514    Fax: 831-633-0311
Mr. Amir Nasr Helali, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 10561 Merritt St, Castroville, CA 95012
Phone: 831-633-1514    Fax: 831-633-0311
Erardo Rodriguez Bautista, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 10561 Merritt St, Castroville, CA 95012
Phone: 831-757-8689    

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.