Manuel Arnaldo Ramirez, MMSC, PAC
Physician Assistant · San Francisco, CA
Manuel Arnaldo Ramirez, MMSC, PAC is a physician assistant with a practice address in San Francisco, California, and NPI 1457307670, issued on May 26, 2006. Check the license (California PA58015, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Manuel Arnaldo Ramirez
- Credential
- MMSC, PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA58015 CA
PA10003701 WA
Self-reported in NPPES; status is on the state search - Practice location
- 333 1St St Ste A, San Francisco, CA 94105
- Phone
- (888) 803-3370
- Enumerated
- May 26, 2006
- Record last updated
- Mar 13, 2025
- Medicare enrollment
- Enrolled (PECOS I20240808001056); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 333 1St St Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mae Carmela AltavasFamily Nurse Practitioner1508261686
- Natalie Araya, P.A.Physician Assistant1578828604
Verify Manuel Arnaldo Ramirez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA58015Check 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 physician assistant in 2024
28 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Dextroamphetamine-Amphet Er24 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.
Bills Medicare through one group practice
- Circle Medical Care OF CaliforniaSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Manuel Arnaldo Ramirez among 14,451 physician assistant records in California
Manuel Arnaldo Ramirez, MMSC, PAC 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1996 · median 2018 among the 7,214 with a school on file
- 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).
Physician Assistant providers in California
There are 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Francisco → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Benjamin Brackett, P.A.-CSan Francisco, CA 941051881872018
- Robert Develle, PA-CSan Francisco, CA 941051598709248
- Enrique Gonzalez, PA-CSan Francisco, CA 941051548393697
- Regina Hudak, PA-CSan Francisco, CA 941051346243185
- Larue Laporte, PASan Francisco, CA 941051285782136
- Janel Liverato, PA-CSan Francisco, CA 941051770711038
- Lartily Mateo, PA-CSan Francisco, CA 941051124250220
- Jennifer Nossokoff, PA-CSan Francisco, CA 941051205143591
Common questions
What is Manuel Arnaldo Ramirez, MMSC, PAC's NPI number?
Manuel Arnaldo Ramirez, MMSC, PAC's National Provider Identifier (NPI) is 1457307670, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Manuel Arnaldo Ramirez, MMSC, PAC located?
The NPPES record lists a practice address at 333 1St St Ste A, San Francisco, CA, 94105. Phone: (888) 803-3370. Providers update this record themselves, so call before visiting.
How can I verify Manuel Arnaldo Ramirez, MMSC, PAC's license?
NPPES lists California license number PA58015, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Manuel Arnaldo Ramirez, MMSC, PAC prescribe under Medicare Part D?
In 2024, Manuel Arnaldo Ramirez, MMSC, PAC had 28 Medicare Part D claims; 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.