Dr Tad Patrick Callahan, MD - Medicare in Santa Maria, CA

Dr Tad Patrick Callahan, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Santa Maria, California. His current practice location is 210 S Palisade Dr Ste 101, Santa Maria, California. You can reach out to his office (for appointments etc.) via phone at (805) 922-0481.

Dr Tad Patrick Callahan is licensed to practice in California (license number A24996) 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 1225112931.

Contact Information

Dr Tad Patrick Callahan, MD
210 S Palisade Dr Ste 101,
Santa Maria, CA 93454-5932
(805) 922-0481
(805) 925-5261

Map and Direction




Physician's Profile

Full NameDr Tad Patrick Callahan
GenderMale
Speciality
Experience Years
Location210 S Palisade Dr Ste 101, Santa Maria, 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 Tad Patrick Callahan attended and graduated from in
  NPI Data:
  • NPI Number: 1225112931
  • Provider Enumeration Date: 10/25/2006
  • Last Update Date: 12/20/2022
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Dr Tad Patrick Callahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225112931NPI-NPPES
CB217899OtherCAMEDICARE ID
00A249960MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology A24996 (California)Primary

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 Tad Patrick Callahan 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 Tad Patrick Callahan, MD
210 S Palisade Dr Ste 101,
Santa Maria, CA 93454-5932

Ph: (805) 922-0481
Dr Tad Patrick Callahan, MD
210 S Palisade Dr Ste 101,
Santa Maria, CA 93454-5932

Ph: (805) 922-0481

Reviews and Comments


Obstetrics & Gynecology Doctors in Santa Maria, CA

Dr. Kerri S Wiltchik, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 220 South Palisade Drive, Suite 201, Santa Maria, CA 93454
Phone: 805-347-2100    Fax: 805-347-2114
Dr. Taimur L Chaudhry, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 220 S Palisade Dr Ste 203, Santa Maria, CA 93454
Phone: 805-354-7101    Fax: 805-354-7102
Rebecca K Jones, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 220 S Palisade Dr Ste 203, Santa Maria, CA 93454
Phone: 805-354-7101    
Keith Oliver Dillon, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1510 E Main St, Suite 104, Santa Maria, CA 93454
Phone: 805-739-3262    Fax: 805-354-7013
Dr. Eli S Zinner, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 116 South Palisade Drive, Suite 104, Santa Maria, CA 93454
Phone: 805-739-3957    Fax: 805-739-3958
Maria Kolmakova, DO
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 210 S Palisade Dr Ste 101, Santa Maria, CA 93454
Phone: 805-922-0481    

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.