Tad Patrick Callahan, MD
Obstetrics & Gynecology Physician · Santa Maria, CA
Tad Patrick Callahan, MD is an obstetrics & gynecology physician with a practice address in Santa Maria, California, and NPI 1225112931, issued on Oct 25, 2006. Check the license (California A24996, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tad Patrick Callahan
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A24996 CA
Self-reported in NPPES; status is on the state search - Practice location
- 210 S Palisade Dr Ste 101, Santa Maria, CA 93454
- Phone
- (805) 922-0481
- Enumerated
- Oct 25, 2006
- Record last updated
- Dec 20, 2022
- Fax
- (805) 925-5261
- Medicaid ID
- 00A249960 CA
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Verify Tad Patrick Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A24996Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 33.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Tad Patrick Callahan among 5,088 obstetrics & gynecology physician records in California
Tad Patrick Callahan, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2022 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 obstetrics & gynecology physician records list a practice address in Santa Maria
They are 39 of the 3,047 NPPES records with a practice address in Santa Maria, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Santa Maria → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Ilona Baran, MDSanta Maria, CA 934541487639290
- Brian Crisp, M.D.Santa Maria, CA 934541861446262
- Keith Dillon, M.D.Santa Maria, CA 934541154407534
- Kenneth Fogelberg, M.D.Santa Maria, CA 934541801897764
- Carolyn Griffith, M.D.Santa Maria, CA 934541720009269
- Rebecca Jones, M.D.Santa Maria, CA 934541093823700
- Robert McGhie, M.D.Santa Maria, CA 934541730184367
- Charla Morgan, D.O.Santa Maria, CA 934541831153261
Common questions
What is Tad Patrick Callahan, MD's NPI number?
Tad Patrick Callahan, MD's National Provider Identifier (NPI) is 1225112931, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tad Patrick Callahan, MD located?
The NPPES record lists a practice address at 210 S Palisade Dr Ste 101, Santa Maria, CA, 93454. Phone: (805) 922-0481. Providers update this record themselves, so call before visiting.
How can I verify Tad Patrick Callahan, MD's license?
NPPES lists California license number A24996, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Tad Patrick Callahan, MD's MIPS final score?
The 2023 MIPS final score is 33.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.