Carmen Gregoria Ramirez, MD
Family Medicine Physician · Ventura, CA
Carmen Gregoria Ramirez, MD is a family medicine physician with a practice address in Ventura, California, and NPI 1134508211, issued on May 22, 2015. Check the license (California A147791, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Carmen Gregoria Ramirez
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A147791 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3291 Loma Vista RD, Ventura, CA 93003
- Phone
- (805) 652-6100
- Enumerated
- May 22, 2015
- Record last updated
- Jul 17, 2023
- Fax
- (805) 652-3252
- Medicare enrollment
- Enrolled (PECOS I20190830001920); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3291 Loma Vista RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brad Adler, M.D.Anatomic Pathology Physician1003979618
- Alejandro Andrade, M.D.Family Medicine Physician1770713190
- James Appel, MDFamily Medicine Physician1083939706
- David Araujo, M.D.Family Medicine Physician1114955994
- Maria Arizmendi, M.D.Pediatrics Physician1366641961
- Ralph Armstrong, M.D.Psychiatry Physician1518016443
Verify Carmen Gregoria Ramirez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A147791Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average family medicine physician in 2024
2,178 Medicare Part D claims for 135 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium165 claims
- Metformin Hcl143 claims
- Lisinopril128 claims
- Amlodipine Besylate81 claims
- Rosuvastatin Calcium62 claims
- Levothyroxine Sodium61 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 practice group's MIPS final score for 2023 (Medicare payment program): 87.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $20.21
1 payment: food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- County OF VenturaVentura, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carmen Gregoria Ramirez among 17,133 family medicine physician records in California
Carmen Gregoria Ramirez, MD 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 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2015 · 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).
234 family medicine physician records list a practice address in Ventura
They are 234 of the 4,435 NPPES records with a practice address in Ventura, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Ventura → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Charles Adams, M.D.Ventura, CA 930031811925225
- Veronica Butler, M.D.Ventura, CA 930031063472736
- Eric Chun, M.D.Ventura, CA 930031699702381
- Michelle Daucett, D.O.Ventura, CA 930031003873035
- Derrick Dcosta, M.D.Ventura, CA 930031487699005
- James Hermann, M.D.Ventura, CA 930031861442899
- Theodore Hole, M.D.Ventura, CA 930031104873611
- Andrew Kerr, M.D.Ventura, CA 930031487695078
Common questions
What is Carmen Gregoria Ramirez, MD's NPI number?
Carmen Gregoria Ramirez, MD's National Provider Identifier (NPI) is 1134508211, issued on May 22, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Carmen Gregoria Ramirez, MD located?
The NPPES record lists a practice address at 3291 Loma Vista RD, Ventura, CA, 93003. Phone: (805) 652-6100. Providers update this record themselves, so call before visiting.
How can I verify Carmen Gregoria Ramirez, MD's license?
NPPES lists California license number A147791, 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 Carmen Gregoria Ramirez, MD prescribe under Medicare Part D?
In 2024, Carmen Gregoria Ramirez, MD had 2,178 Medicare Part D claims for 135 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Carmen Gregoria Ramirez, MD's MIPS final score?
The 2023 MIPS final score is 87.2 of 100, reported for the practice group. 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.