NPPES file of Aug 9, 2026

James Simmons, D.O.

Hospitalist Physician · Fresno, CA

James Simmons, D.O. is a hospitalist physician with a practice address in Fresno, California, and NPI 1043519853, issued on Mar 18, 2011. Check the license (California 20A12478, 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
1043519853
Name
James Simmons
Credential
D.O.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
20A12478 CA
Self-reported in NPPES; status is on the state search
Practice location
155 N Fresno St, Fresno, CA 93701
Phone
(559) 499-6500
Enumerated
Mar 18, 2011
Record last updated
Nov 1, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150127001513); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2011
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 155 N Fresno St

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

  1. Waleed AbdelfattahStudent in an Organized Health Care Education/Training Program1982544359
  2. Khaled Mohammed Abdullah, MBBSStudent in an Organized Health Care Education/Training Program1003552472
  3. Mohammad Abidali, MDStudent in an Organized Health Care Education/Training Program1174383764
  4. Charlie Abraham, MDSleep Medicine (Internal Medicine) Physician1588841043
  5. Luke Adams, MDStudent in an Organized Health Care Education/Training Program1497458855
  6. Yasmeen Afridi, DOStudent in an Organized Health Care Education/Training Program1548964489

Verify James Simmons in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A12478
    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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31% fewer Medicare Part D claims than the average hospitalist physician in 2024

360 Medicare Part D claims for 158 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 23 claims were for opioids.

  1. James Simmons360
  2. Specialty average521

Most prescribed

  1. Escitalopram Oxalate26 claims
  2. Tamsulosin Hcl16 claims
  3. Levothyroxine Sodium14 claims
  4. Atorvastatin Calcium13 claims
  5. Eliquis13 claims
  6. Furosemide12 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): 98.4 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 score84.7
  2. Costout of 100 · 30%96.7
  3. Promoting interoperabilityout of 100 · 25%96.0
  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).

Industry payments in 2024: $308.88

3 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Simmons$308.88
  2. Specialty average$494.84

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

Bills Medicare through 2 group practices

  1. Galen Inpatient Physicians PCHanford, CA
  2. Reedley Community HospitalHanford, CA

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

James Simmons among 3,099 hospitalist physician records in California

James Simmons, D.O. is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 47% of them.

  • NPI issued2011 · 47% of these records are older, 49% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2011 · median 2010 among the 2,505 with a school on file
  • Record last updated2018 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in California

There are 3,099 hospitalist physician records in California.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Rameen Atefi, DOFresno, CA 937011871120998
  2. Muhammad Bajwa, MDFresno, CA 937011780628834
  3. Shilpi Gupta, MDFresno, CA 937011467864363
  4. Talab Ibrahim, MDFresno, CA 937011427587377
  5. Bhavin Joshi, DOFresno, CA 937011316407067
  6. Avneet Kahlon, DOFresno, CA 937011952807067
  7. Joshua Lin, D.OFresno, CA 937011114289550
  8. Jaynesh Patel, M.D.Fresno, CA 937011255633038

Common questions

What is James Simmons, D.O.'s NPI number?

James Simmons, D.O.'s National Provider Identifier (NPI) is 1043519853, issued on Mar 18, 2011. An NPI identifies a provider in billing; it is not a license.

Where is James Simmons, D.O. located?

The NPPES record lists a practice address at 155 N Fresno St, Fresno, CA, 93701. Phone: (559) 499-6500. Providers update this record themselves, so call before visiting.

How can I verify James Simmons, D.O.'s license?

NPPES lists California license number 20A12478, 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 James Simmons, D.O. prescribe under Medicare Part D?

In 2024, James Simmons, D.O. had 360 Medicare Part D claims for 158 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.

What is James Simmons, D.O.'s MIPS final score?

The 2023 MIPS final score is 98.4 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.