Serra Paxton Tranmer, D.O.
Family Medicine Physician · Santa Maria, CA
Serra Paxton Tranmer, D.O. is a family medicine physician with a practice address in Santa Maria, California, and NPI 1245494475, issued on Jul 16, 2008. Check the license (California 20A9948, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Serra Paxton Tranmer
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A9948 CA
Self-reported in NPPES; status is on the state search - Practice location
- 235 S Palisade Dr, Santa Maria, CA 93454
- Phone
- (805) 739-3561
- Enumerated
- Jul 16, 2008
- Record last updated
- Nov 8, 2023
- Fax
- (805) 739-3560
- Medicare enrollment
- Enrolled (PECOS I20090521000515); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 235 S Palisade Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- John Campbell, MDGeriatric Medicine (Family Medicine) Physician1346450970
- Willard Chung, MDFamily Medicine Physician1285898635
Verify Serra Paxton Tranmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9948Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average family medicine physician in 2024
1,306 Medicare Part D claims for 250 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Atorvastatin Calcium99 claims
- Levothyroxine Sodium63 claims
- Lisinopril59 claims
- Losartan Potassium55 claims
- Fluticasone Propionate46 claims
- Amlodipine Besylate39 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 96.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Pacific Central Coast Health CentersSan Luis Obispo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Serra Paxton Tranmer among 17,133 family medicine physician records in California
Serra Paxton Tranmer, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2005 · median 2005 among the 10,652 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
79 family medicine physician records list a practice address in Santa Maria
They are 79 of the 3,047 NPPES records with a practice address in Santa Maria, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Santa Maria → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jesse Arellano, MDSanta Maria, CA 934541285659284
- Thomas Dawes, MDSanta Maria, CA 934541386668473
- Kamlesh Desai, M.D.Santa Maria, CA 934541336137850
- Brian Desmond, M.D.Santa Maria, CA 934541972591865
- Eric Levy, M.D.Santa Maria, CA 934541891779021
- Richard McClaflin, MDSanta Maria, CA 934541912939075
- Brian Miyagishima, MDSanta Maria, CA 934541801870662
- Mary Jane Morash, MDSanta Maria, CA 934541154351195
Common questions
What is Serra Paxton Tranmer, D.O.'s NPI number?
Serra Paxton Tranmer, D.O.'s National Provider Identifier (NPI) is 1245494475, issued on Jul 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Serra Paxton Tranmer, D.O. located?
The NPPES record lists a practice address at 235 S Palisade Dr, Santa Maria, CA, 93454. Phone: (805) 739-3561. Providers update this record themselves, so call before visiting.
How can I verify Serra Paxton Tranmer, D.O.'s license?
NPPES lists California license number 20A9948, 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.
How much does Serra Paxton Tranmer, D.O. prescribe under Medicare Part D?
In 2024, Serra Paxton Tranmer, D.O. had 1,306 Medicare Part D claims for 250 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Serra Paxton Tranmer, D.O.'s MIPS final score?
The 2023 MIPS final score is 96.5 of 100. 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.