NPPES file of Aug 9, 2026

Jack Leroy Stclair, M.D.

Adult Medicine Physician · Sonora, CA

Jack Leroy Stclair, M.D. is an adult medicine physician with a practice address in Sonora, California, and NPI 1184681298, issued on May 1, 2006. Check the license (California A76427, 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
1184681298
Name
Jack Leroy Stclair
Credential
M.D.
Primary taxonomy
Adult Medicine Physician 207QA0505X
License number
A76427 CA
Self-reported in NPPES; status is on the state search
Practice location
14540 Mono Way, Sonora, CA 95370
Phone
(209) 743-7084
Enumerated
May 1, 2006
Record last updated
Jul 13, 2026
Fax
(209) 928-5615
Medicare enrollment
Enrolled (PECOS I20050701000533); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 14540 Mono Way

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

  1. William Bowie, M.D.Emergency Medicine Physician1578537932

Verify Jack Leroy Stclair in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A76427
    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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95% fewer Medicare Part D claims than the average adult medicine physician in 2024

145 Medicare Part D claims for 94 beneficiaries, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Jack Stclair145
  2. Specialty average3,002

Most prescribed

  1. Sulfamethoxazole-Trimethoprim15 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): 79.2 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 score86.1
  2. Costout of 100 · 30%47.1
  3. Promoting interoperabilityout of 100 · 25%97.0
  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 2 group practices

  1. Adventist Health Physicians NetworkSonora, CA
  2. Family And Industrial Medical Center IncSan Luis Obispo, CA

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

Jack Leroy Stclair among 386 adult medicine physician records in California

Jack Leroy Stclair, M.D. is one of 386 adult medicine physician records with a practice address in California. 69% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 65% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated1997 · median 2005 among the 187 with a school on file
  • Record last updated2026 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0505X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Medicine Physician providers in California

There are 386 adult medicine physician records in California.

The 8 adult medicine physician records with the nearest ZIP codes

  1. Harpreet Grewal, M.D.Tracy, CA 953761700842697
  2. Jagdish Patel, M.D.Tracy, CA 953761407897481
  3. Rina Ricci Syliangco, M.D.Tracy, CA 953771780999110
  4. Richard Behymer, M.D.Twain Harte, CA 953831396721205
  5. Don Vincent Lopez, M.D.Modesto, CA 953561649664632
  6. Amrik Basi, M.D.Modesto, CA 953501740327568
  7. Alina Haider, MDModesto, CA 953501982264230
  8. Dale Morris, MDModesto, CA 953501093381253

Common questions

What is Jack Leroy Stclair, M.D.'s NPI number?

Jack Leroy Stclair, M.D.'s National Provider Identifier (NPI) is 1184681298, issued on May 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jack Leroy Stclair, M.D. located?

The NPPES record lists a practice address at 14540 Mono Way, Sonora, CA, 95370. Phone: (209) 743-7084. Providers update this record themselves, so call before visiting.

How can I verify Jack Leroy Stclair, M.D.'s license?

NPPES lists California license number A76427, 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 Jack Leroy Stclair, M.D. prescribe under Medicare Part D?

In 2024, Jack Leroy Stclair, M.D. had 145 Medicare Part D claims for 94 beneficiaries; the average among adult medicine physician prescribers was 3,002. Part D covers Medicare prescriptions only.

What is Jack Leroy Stclair, M.D.'s MIPS final score?

The 2023 MIPS final score is 79.2 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.