NPPES file of Aug 9, 2026

Ramon Guerrero, MD

General Practice Physician · Santa Maria, CA

Ramon Guerrero, MD is a general practice physician with a practice address in Santa Maria, California, and NPI 1285610501, issued on Dec 19, 2005. Check the license (California G72968, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285610501
Name
Ramon Guerrero
Credential
MD
Primary taxonomy
General Practice Physician 208D00000X
License numbers
G72968 CA
75207 AZ
J4835 TX
Self-reported in NPPES; status is on the state search
Practice location
Santa Maria Health Care Center, Santa Maria, CA 93455
Phone
(805) 346-7230
Enumerated
Dec 19, 2005
Record last updated
Jun 10, 2025
Medicaid IDs
139369602 TX
139369617 TX
139369601 TX
Medicare enrollment
Enrolled (PECOS I20250603001156); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 1990
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Ramon Guerrero in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G72968
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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99% fewer Medicare Part D claims than the average general practice physician in 2024

33 Medicare Part D claims, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.

  1. Ramon Guerrero33
  2. Specialty average3,030

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

  1. Santa Barbara County AuditorSanta Maria, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ramon Guerrero among 1,956 general practice physician records in California

Ramon Guerrero, MD is one of 1,956 general practice physician records with a practice address in California. 48% 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, 95% newer
  • In a Medicare fileYes · 48% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated1990 · median 1994 among the 520 with a school on file
  • Record last updated2025 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Physician providers in California

There are 1,956 general practice physician records in California.

The 8 general practice physician records with the nearest ZIP codes

  1. Thomas Caruso, MDSanta Maria, CA 934551609965433
  2. Jaspal Dhaliwal, MDSanta Maria, CA 934551093018269
  3. Mark Pomerantz, MDSanta Maria, CA 934551245327840
  4. Lawrence Newman, M.D.Pismo Beach, CA 934491700869799
  5. Dale Vonruden, M.D.Pismo Beach, CA 934491750526596
  6. Jeffrey Shannon, M.D.Solvang, CA 934631649375148
  7. Amy Nett, M.D.Los Olivos, CA 934411225224116
  8. Robin Barnes, MSN, RN, FNP-CLompoc, CA 934361629529557

Common questions

What is Ramon Guerrero, MD's NPI number?

Ramon Guerrero, MD's National Provider Identifier (NPI) is 1285610501, issued on Dec 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ramon Guerrero, MD located?

The NPPES record lists a practice address at Santa Maria Health Care Center, Santa Maria, CA, 93455. Phone: (805) 346-7230. Providers update this record themselves, so call before visiting.

How can I verify Ramon Guerrero, MD's license?

NPPES lists California license number G72968, 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 Ramon Guerrero, MD prescribe under Medicare Part D?

In 2024, Ramon Guerrero, MD had 33 Medicare Part D claims; the average among general practice physician prescribers was 3,030. 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.