NPPES file of Aug 9, 2026

Juan Vega, M.D.

Obstetrics & Gynecology Physician · Ventura, CA

Juan Vega, M.D. is an obstetrics & gynecology physician with a practice address in Ventura, California, and NPI 1194889170, issued on Dec 21, 2006. Check the license (California G71192, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194889170
Name
Juan Vega
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
G71192 CA
Self-reported in NPPES; status is on the state search
Practice location
3291 Loma Vista RD Bldg 340, Ventura, CA 93003
Phone
(805) 652-6229
Enumerated
Dec 21, 2006
Record last updated
Jul 18, 2023
Medicare enrollment
Enrolled (PECOS I20041207001258); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 1989
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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Also registered at 3291 Loma Vista RD Bldg 340

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stephanie Greger, M.D.Rheumatology Physician1912138132
  2. Thomas Lee, MDOphthalmology Physician1275620353

Verify Juan Vega in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G71192
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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85% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

24 Medicare Part D claims for 12 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Juan Vega24
  2. Specialty average165

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.

  1. Qualityout of 100 · 30% of the final score84.1
  2. Costout of 100 · 30%56.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. County OF VenturaVentura, CA

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

Juan Vega among 5,088 obstetrics & gynecology physician records in California

Juan Vega, M.D. is one of 5,088 obstetrics & gynecology 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1989 · median 2004 among the 2,700 with a school on file
  • Record last updated2023 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Lois Barnes, M.D.Ventura, CA 930031134233521
  2. Terry Cole, M.D.Ventura, CA 930031992748651
  3. Steven Coyle, MDVentura, CA 930031548276900
  4. Patrick Diesfeld, M.D.Ventura, CA 930031568576080
  5. Katherine Edwards, M.D.Ventura, CA 930031972635498
  6. Olivia Farfan-Gonzalez, M.D.Ventura, CA 930031720014376
  7. John Gustafson, M.D.Ventura, CA 930031003836016
  8. Jeffrey Martin, M.D.Ventura, CA 930031568490803

Common questions

What is Juan Vega, M.D.'s NPI number?

Juan Vega, M.D.'s National Provider Identifier (NPI) is 1194889170, issued on Dec 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Juan Vega, M.D. located?

The NPPES record lists a practice address at 3291 Loma Vista RD Bldg 340, Ventura, CA, 93003. Phone: (805) 652-6229. Providers update this record themselves, so call before visiting.

How can I verify Juan Vega, M.D.'s license?

NPPES lists California license number G71192, 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 Juan Vega, M.D. prescribe under Medicare Part D?

In 2024, Juan Vega, M.D. had 24 Medicare Part D claims for 12 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Juan Vega, M.D.'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.