Charmaine Pamintuan Santos, PA-C
Physician Assistant · Antioch, CA
Charmaine Pamintuan Santos, PA-C is a physician assistant with a practice address in Antioch, California, and NPI 1386341576, issued on Feb 8, 2023. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Charmaine Pamintuan Santos
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 3903 Lone Tree Way Ste 104, Antioch, CA 94509
- Phone
- (925) 755-1255
- Enumerated
- Feb 8, 2023
- Record last updated
- Feb 27, 2025
- Fax
- (925) 755-1259
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 3903 Lone Tree Way Ste 104
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katherine De Castro, PA-CMedical Physician Assistant1598501991
- Pamela Di Franco, FNPFamily Nurse Practitioner1104480581
- Huong Garcia, RNRegistered Nurse1356290191
Verify Charmaine Pamintuan Santos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.9 times the Medicare Part D claims of the average physician assistant in 2024
4,076 Medicare Part D claims for 441 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 63 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium316 claims
- Amlodipine Besylate253 claims
- Metoprolol Succinate200 claims
- Atorvastatin Calcium198 claims
- Levothyroxine Sodium163 claims
- Losartan Potassium160 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.
Charmaine Pamintuan Santos among 14,451 physician assistant records in California
Charmaine Pamintuan Santos, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 80% of them.
- NPI issued2023 · 80% of these records are older, 13% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 physician assistant records list a practice address in Antioch
They are 27 of the 2,184 NPPES records with a practice address in Antioch, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Antioch → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Anthony Ambrosino, P.A.Antioch, CA 945091558733451
- Rachel Baker, P.A.-CAntioch, CA 945091922271238
- Reynaldo Bulaon, P.A-CAntioch, CA 945091659396760
- Nicole Byars, P.A-CAntioch, CA 945091215052113
- Emily Choi, PA-CAntioch, CA 945091861944571
- Elizabeth Dacosta, P.A.-CAntioch, CA 945091861665739
- Michael Garcia, PA-CAntioch, CA 945091740567627
- Kathryn Hook, PA-CAntioch, CA 945091528450343
Common questions
What is Charmaine Pamintuan Santos, PA-C's NPI number?
Charmaine Pamintuan Santos, PA-C's National Provider Identifier (NPI) is 1386341576, issued on Feb 8, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Charmaine Pamintuan Santos, PA-C located?
The NPPES record lists a practice address at 3903 Lone Tree Way Ste 104, Antioch, CA, 94509. Phone: (925) 755-1255. Providers update this record themselves, so call before visiting.
How can I verify Charmaine Pamintuan Santos, PA-C's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Charmaine Pamintuan Santos, PA-C prescribe under Medicare Part D?
In 2024, Charmaine Pamintuan Santos, PA-C had 4,076 Medicare Part D claims for 441 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
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.