Joseph C. Barbara, M.D.
Family Medicine Physician · Gilroy, CA
Joseph C. Barbara, M.D. is a family medicine physician with a practice address in Gilroy, California, and NPI 1831119486, issued on Jul 19, 2006. Check the license (California G28075, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph C. Barbara
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G28075 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7880 Wren Ave Ste C133, Gilroy, CA 95020
- Phone
- (408) 842-0278
- Enumerated
- Jul 19, 2006
- Record last updated
- Aug 24, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (408) 842-8907
- Medicaid ID
- 00G280750 CA
- Medicare enrollment
- Enrolled (PECOS I20150707002554); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1974
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 7880 Wren Ave Ste C133
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Bannister, FNPFamily Medicine Physician1700475472
- John BarbaraMedical Physician Assistant1972882546
Verify Joseph C. Barbara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G28075Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average family medicine physician in 2024
7,847 Medicare Part D claims for 875 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 109 claims were for opioids.
Most prescribed
- Atorvastatin Calcium711 claims
- Amlodipine Besylate391 claims
- Metformin Hcl387 claims
- Levothyroxine Sodium339 claims
- Lisinopril292 claims
- Losartan Potassium290 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 MIPS final score for 2023 (Medicare payment program): 92 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,006.43
90 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Joseph C. Barbara among 17,133 family medicine physician records in California
Joseph C. Barbara, M.D. 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1974 · median 2005 among the 10,652 with a school on file
- Record last updated2010 · 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).
28 family medicine physician records list a practice address in Gilroy
They are 28 of the 2,100 NPPES records with a practice address in Gilroy, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Gilroy → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Henry Chua, MDGilroy, CA 950201164457370
- Richard Dohn, M.DGilroy, CA 950201558384446
- Lawrence Gamboa, M.D.Gilroy, CA 950201407872187
- Roy Johnson, MDGilroy, CA 950201275619793
- Smitha Kumar, MDGilroy, CA 950201619965688
- Jocelyn Lim, D.OGilroy, CA 950201770507071
- Roger Lucero, MDGilroy, CA 950201437136801
- Gunjan Mittal, M.D.Gilroy, CA 950201679526578
Common questions
What is Joseph C. Barbara, M.D.'s NPI number?
Joseph C. Barbara, M.D.'s National Provider Identifier (NPI) is 1831119486, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph C. Barbara, M.D. located?
The NPPES record lists a practice address at 7880 Wren Ave Ste C133, Gilroy, CA, 95020. Phone: (408) 842-0278. Providers update this record themselves, so call before visiting.
How can I verify Joseph C. Barbara, M.D.'s license?
NPPES lists California license number G28075, 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 Joseph C. Barbara, M.D. prescribe under Medicare Part D?
In 2024, Joseph C. Barbara, M.D. had 7,847 Medicare Part D claims for 875 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Joseph C. Barbara, M.D.'s MIPS final score?
The 2023 MIPS final score is 92 of 100. 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.