Frank Michael De Mayo, M.D.
Orthopaedic Surgery Physician · Tracy, CA
Frank Michael De Mayo, M.D. is an orthopaedic surgery physician with a practice address in Tracy, California, and NPI 1861474520, issued on Nov 17, 2005. Check the license (California G60003, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Frank Michael De Mayo
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- G60003 CA
Self-reported in NPPES; status is on the state search - Practice location
- 530 W Eaton Ave Ste E, Tracy, CA 95376
- Phone
- (209) 835-4888
- Enumerated
- Nov 17, 2005
- Record last updated
- Nov 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (209) 835-6424
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Verify Frank Michael De Mayo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G60003Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
11 Medicare Part D claims, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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): 14.8 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).
Frank Michael De Mayo among 2,276 orthopaedic surgery physician records in California
Frank Michael De Mayo, M.D. is one of 2,276 orthopaedic surgery 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2021 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in Tracy → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Kuldeep Sidhu, M.D.Tracy, CA 953761952383614
- Christopher Walthour, MDTracy, CA 953761811976640
- Keren Akakpo, PA-CSonora, CA 953701639627938
- Charles Black, D.O.Sonora, CA 953701790988087
- James Boyd, MDSonora, CA 953701407903636
- Scott Colquhoun, MDTurlock, CA 953821144200692
- John Nelligan, MDSonora, CA 953701952491151
- Airell Nygaard, M.D.Sonora, CA 953701417920760
Common questions
What is Frank Michael De Mayo, M.D.'s NPI number?
Frank Michael De Mayo, M.D.'s National Provider Identifier (NPI) is 1861474520, issued on Nov 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Frank Michael De Mayo, M.D. located?
The NPPES record lists a practice address at 530 W Eaton Ave Ste E, Tracy, CA, 95376. Phone: (209) 835-4888. Providers update this record themselves, so call before visiting.
How can I verify Frank Michael De Mayo, M.D.'s license?
NPPES lists California license number G60003, 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 Frank Michael De Mayo, M.D. prescribe under Medicare Part D?
In 2024, Frank Michael De Mayo, M.D. had 11 Medicare Part D claims; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Frank Michael De Mayo, M.D.'s MIPS final score?
The 2023 MIPS final score is 14.8 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.