NPPES file of Aug 9, 2026

Calvin Reed Fesler, MD

Pain Medicine (Physical Medicine & Rehabilitation) Physician · Loma Linda, CA

Calvin Reed Fesler, MD is a pain medicine (physical medicine & rehabilitation) physician with a practice address in Loma Linda, California, and NPI 1285169136, issued on Apr 28, 2017. Check the license 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
1285169136
Name
Calvin Reed Fesler
Credential
MD
Primary taxonomy
Pain Medicine (Physical Medicine & Rehabilitation) Physician 2081P2900X
License number
65441 TN
Self-reported in NPPES; status is on the state search
Practice location
11234 Anderson St, Loma Linda, CA 92354
Phone
(909) 558-6202
Enumerated
Apr 28, 2017
Record last updated
Apr 17, 2022
Medicare enrollment
Enrolled (PECOS I20220614000499); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 2017
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 11234 Anderson St

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

  1. Carolyn AbbasiAnesthesiology Physician1811287311
  2. Marian Abdelmalek, DOInternal Medicine Physician1285218024
  3. Faiz Abdur-Rahman, MDStudent in an Organized Health Care Education/Training Program1144073768
  4. Marc Abou AssaliStudent in an Organized Health Care Education/Training Program1689317265
  5. Adina Achiriloaie, MDDiagnostic Neuroimaging (Radiology) Physician1992983282
  6. Ana Acosta, MDStudent in an Organized Health Care Education/Training Program1265179774

Verify Calvin Reed Fesler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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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2.1 times the Medicare Part D claims of the average pain medicine (physical medicine & rehabilitation) physician in 2024

3,117 Medicare Part D claims for 609 beneficiaries, against an average of 1,479 among the 1,457 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 1,585 claims were for opioids.

  1. Calvin Fesler3,117
  2. Specialty average1,479

Most prescribed

  1. Hydrocodone-Acetaminophen645 claims
  2. Oxycodone-Acetaminophen541 claims
  3. Gabapentin461 claims
  4. Tizanidine Hcl203 claims
  5. Pregabalin165 claims
  6. Oxycodone Hcl129 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): 87.3 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.

  1. Qualityout of 100 · 30% of the final score83.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%85.9
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $568.89

28 payments; by number, the most common kind was food and beverage; the largest payer was Collegium Pharmaceutical, Inc. The 1,126 providers of this specialty with any payment received $2,193.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Calvin Fesler$568.89
  2. Specialty average$2,193.30

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

Bills Medicare through one group practice

  1. Privia Medical Group Tennessee LLCLawrenceburg, TN

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

Calvin Reed Fesler among 290 pain medicine (physical medicine & rehabilitation) physician records in California

Calvin Reed Fesler, MD is one of 290 pain medicine (physical medicine & rehabilitation) physician records with a practice address in California. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 83% of them.

  • NPI issued2017 · 83% of these records are older, 14% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2017 · median 2005 among the 196 with a school on file
  • Record last updated2022 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2081P2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine (Physical Medicine & Rehabilitation) Physician providers in California

There are 290 pain medicine (physical medicine & rehabilitation) physician records in California.

The 8 pain medicine (physical medicine & rehabilitation) physician records with the nearest ZIP codes

  1. Sunny Bang, MDLoma Linda, CA 923541225692874
  2. Amy Park, DOLoma Linda, CA 923541013404623
  3. Lynnsey Stewart, MDLoma Linda, CA 923541740458579
  4. Jonathan Lee, M.D.Redlands, CA 923741326012154
  5. Edward Albert Balbas, M.D.Colton, CA 923241629062435
  6. Jiensup Kim, M.D.Colton, CA 923241639131154
  7. Jason Lee, MDRancho Mirage, CA 922701639112055
  8. Tejas Shah, MDRancho Mirage, CA 922701033746748

Common questions

What is Calvin Reed Fesler, MD's NPI number?

Calvin Reed Fesler, MD's National Provider Identifier (NPI) is 1285169136, issued on Apr 28, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Calvin Reed Fesler, MD located?

The NPPES record lists a practice address at 11234 Anderson St, Loma Linda, CA, 92354. Phone: (909) 558-6202. Providers update this record themselves, so call before visiting.

How can I verify Calvin Reed Fesler, MD's license?

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 Calvin Reed Fesler, MD prescribe under Medicare Part D?

In 2024, Calvin Reed Fesler, MD had 3,117 Medicare Part D claims for 609 beneficiaries; the average among pain medicine (physical medicine & rehabilitation) physician prescribers was 1,479. Part D covers Medicare prescriptions only.

What is Calvin Reed Fesler, MD's MIPS final score?

The 2023 MIPS final score is 87.3 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.