NPPES file of Aug 9, 2026

Jason T. Bass, M.D.

Obstetrics & Gynecology Physician · French Camp, CA

Jason T. Bass, M.D. is an obstetrics & gynecology physician with a practice address in French Camp, California, and NPI 1770512030, issued on Jun 30, 2006. Check the license (California G086183, 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
1770512030
Name
Jason T. Bass
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
G086183 CA
Self-reported in NPPES; status is on the state search
Practice location
500 W. Hospital RD., French Camp, CA 95231
Phone
(209) 468-6820
Enumerated
Jun 30, 2006
Record last updated
Oct 23, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(209) 468-3977
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 500 W. Hospital RD.

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

  1. Belinda Aleman, P.A.Physician Assistant1467469676
  2. Jered ArquiettePharmacist1194035535
  3. Kandace Atkins, M.D.Psychiatry Physician1417966334
  4. Kalpana Balaguru, M.D.Family Medicine Physician1457364184
  5. Gregory Baumgarten, N.P.Licensed Practical Nurse1598846099
  6. Dale Bishop, M.D.Family Medicine Physician1508886557

Verify Jason T. Bass in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G086183
    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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68% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

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

  1. Jason Bass52
  2. Specialty average165

Most prescribed

  1. Hydralazine Hcl11 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): 78.1 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 score74.7
  2. Costout of 100 · 30%52.6
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities30 of 40 points · 15%75.0

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

Industry payments in 2024: $68.93

3 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jason Bass$68.93
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Jason T. Bass among 5,088 obstetrics & gynecology physician records in California

Jason T. Bass, 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 fileNo · 53% of these records are
  • Record last updated2020 · 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. Crisoforo Garza, M.D.French Camp, CA 952311134147762
  2. Anh Le, MDFrench Camp, CA 952311013095686
  3. Louis Lim, M.D.French Camp, CA 952311194734103
  4. Christopher Lindeken, D.O.French Camp, CA 952311164616702
  5. Sreelatha Pottala, M.D.French Camp, CA 952311841426947
  6. Manjeet Bryson, NP RNLodi, CA 952401134232960
  7. Philip Dodd, MDLodi, CA 952401477578128
  8. Kimberley Fillmore, MDLodi, CA 952401588736508

Common questions

What is Jason T. Bass, M.D.'s NPI number?

Jason T. Bass, M.D.'s National Provider Identifier (NPI) is 1770512030, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jason T. Bass, M.D. located?

The NPPES record lists a practice address at 500 W. Hospital RD., French Camp, CA, 95231. Phone: (209) 468-6820. Providers update this record themselves, so call before visiting.

How can I verify Jason T. Bass, M.D.'s license?

NPPES lists California license number G086183, 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 Jason T. Bass, M.D. prescribe under Medicare Part D?

In 2024, Jason T. Bass, M.D. had 52 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Jason T. Bass, M.D.'s MIPS final score?

The 2023 MIPS final score is 78.1 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.