NPPES file of Aug 9, 2026

Robert Thomas Wendel, M.D.

Retina Specialist (Ophthalmology) Physician · Sacramento, CA

Robert Thomas Wendel, M.D. is a retina specialist (ophthalmology) physician with a practice address in Sacramento, California, and NPI 1235234634, issued on Sep 13, 2006. Check the license (California G043291, 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
1235234634
Name
Robert Thomas Wendel
Credential
M.D.
Primary taxonomy
Retina Specialist (Ophthalmology) Physician 207WX0107X
License numbers
G043291 CA
G43291 CA
6988 NV
Self-reported in NPPES; status is on the state search
Practice location
3939 J St, Sacramento, CA 95819
Phone
(916) 454-6191
Enumerated
Sep 13, 2006
Record last updated
Apr 2, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(916) 454-1036
Medicaid ID
00G432910 CA
Medicare enrollment
Enrolled (PECOS I20050118000696); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 1979
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 3939 J St

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

  1. Jessica Belding, CRNACertified Registered Nurse Anesthetist1295138840
  2. Richard Bowling, PAPhysician Assistant1114007085
  3. Margaret Chang, M.D.Retina Specialist (Ophthalmology) Physician1477504405
  4. Wonjae Choi, M.D.Anesthesiology Physician1093766982
  5. Cully Cobb, M.D.Neurological Surgery Physician1770502163
  6. David Cupp, MDRetina Specialist (Ophthalmology) Physician1497901565

Verify Robert Thomas Wendel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G043291
    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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61% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024

242 Medicare Part D claims for 88 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.

  1. Robert Wendel242
  2. Specialty average620

Most prescribed

  1. Prednisolone Acetate62 claims
  2. Ketorolac Tromethamine56 claims
  3. Timolol Maleate33 claims
  4. Ofloxacin24 claims
  5. Latanoprost18 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): 100 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 score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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: $637.18

12 payments; by number, the most common kind was food and beverage; the largest payer was Apellis Pharmaceuticals, Inc. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Wendel$637.18
  2. Specialty average$7,667.49

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. Vitreo-Retinal Medical Group, Inc.Yuba City, CA

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

Robert Thomas Wendel among 205 retina specialist (ophthalmology) physician records in California

Robert Thomas Wendel, M.D. is one of 205 retina specialist (ophthalmology) physician records with a practice address in California. 98% 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, 65% newer
  • In a Medicare fileYes · 98% of these records are
  • In the CMS Doctors and Clinicians fileYes · 92% of these records are
  • Graduated1979 · median 2007 among the 189 with a school on file
  • Record last updated2017 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Retina Specialist (Ophthalmology) Physician providers in California

There are 205 retina specialist (ophthalmology) physician records in California.

The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes

  1. Margaret Chang, M.D.Sacramento, CA 958191477504405
  2. David Cupp, MDSacramento, CA 958191497901565
  3. Robert Equi, M.D.Sacramento, CA 958191497864664
  4. Carlos Medina Mendez, M.D.Sacramento, CA 958191811218316
  5. Arun Patel, M.D.Sacramento, CA 958191164531430
  6. Joel Pearlman, M.D., PH.DSacramento, CA 958191154430460
  7. John Reed, M.D.Sacramento, CA 958191528177706
  8. David Telander, M.D., PH.DSacramento, CA 958191528043023

Common questions

What is Robert Thomas Wendel, M.D.'s NPI number?

Robert Thomas Wendel, M.D.'s National Provider Identifier (NPI) is 1235234634, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Thomas Wendel, M.D. located?

The NPPES record lists a practice address at 3939 J St, Sacramento, CA, 95819. Phone: (916) 454-6191. Providers update this record themselves, so call before visiting.

How can I verify Robert Thomas Wendel, M.D.'s license?

NPPES lists California license number G043291, 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 Robert Thomas Wendel, M.D. prescribe under Medicare Part D?

In 2024, Robert Thomas Wendel, M.D. had 242 Medicare Part D claims for 88 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.

What is Robert Thomas Wendel, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 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.