NPPES file of Aug 9, 2026

Eric Ross Gengenbach, O.D.

Optometrist · Grant, NE

Eric Ross Gengenbach, O.D. is an optometrist with a practice address in Grant, Nebraska, and NPI 1336473107, issued on Sep 28, 2009. Check the license (Nebraska 1335, as entered in NPPES) with the Nebraska board that licenses this profession; 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
1336473107
Name
Eric Ross Gengenbach
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
1335 NE
Self-reported in NPPES; status is on the state search
Practice location
115 W 3RD St, Grant, NE 69140
Phone
(308) 352-4424
Enumerated
Sep 28, 2009
Record last updated
Dec 31, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100610000146); accepts Medicare assignment
Medical or professional school
Southern College Of Optometry, 2009
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 115 W 3RD St

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

  1. Victoria Gengenbach, O.D.Optometrist1316271869
  2. Tim Meyer, ODOptometrist1093703027

Verify Eric Ross Gengenbach in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Nebraska board licenses this profession
    Search for license 1335
    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
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91% more Medicare Part D claims than the average optometrist in 2024

530 Medicare Part D claims for 150 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.

  1. Eric Gengenbach530
  2. Specialty average277

Most prescribed

  1. Latanoprost248 claims
  2. Prednisolone Acetate49 claims
  3. Brimonidine Tartrate47 claims
  4. Ofloxacin36 claims
  5. Dorzolamide-Timolol21 claims
  6. Brimonidine Tartrate-Timolol20 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): 90.4 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 score80.8
  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: $23.65

1 payment: food and beverage; the largest payer was Biotissue Holdings Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eric Gengenbach$23.65
  2. Specialty average$769.99

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. First Insight Eyecare LLCGrant, NE

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

Eric Ross Gengenbach among 452 optometrist records in Nebraska

Eric Ross Gengenbach, O.D. is one of 452 optometrist records with a practice address in Nebraska. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 60% of them.

  • NPI issued2009 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2009 · median 2007 among the 317 with a school on file
  • Record last updated2012 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Nebraska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 optometrist records list a practice address in Grant

They are 3 of the 24 NPPES records with a practice address in Grant, and 452 optometrist records in Nebraska.

The 8 optometrist records with the nearest ZIP codes

  1. Victoria Gengenbach, O.D.Grant, NE 691401316271869
  2. Tim Meyer, ODGrant, NE 691401093703027
  3. Kimberly Johnson, O.D.Gothenburg, NE 691381407887755
  4. James Acker, O.D.Cozad, NE 691301720177272
  5. Kendra Fink, ODOgallala, NE 691531811489297
  6. T Malone, O.D.Ogallala, NE 691531861544561
  7. John Paloucek, ODOgallala, NE 691531700872405
  8. Gary Schreiner, ODOgallala, NE 691531023004900

Common questions

What is Eric Ross Gengenbach, O.D.'s NPI number?

Eric Ross Gengenbach, O.D.'s National Provider Identifier (NPI) is 1336473107, issued on Sep 28, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Eric Ross Gengenbach, O.D. located?

The NPPES record lists a practice address at 115 W 3RD St, Grant, NE, 69140. Phone: (308) 352-4424. Providers update this record themselves, so call before visiting.

How can I verify Eric Ross Gengenbach, O.D.'s license?

NPPES lists Nebraska license number 1335, as entered by the provider. Search the Nebraska board that licenses this profession; the NPPES record confirms identity only.

How much does Eric Ross Gengenbach, O.D. prescribe under Medicare Part D?

In 2024, Eric Ross Gengenbach, O.D. had 530 Medicare Part D claims for 150 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

What is Eric Ross Gengenbach, O.D.'s MIPS final score?

The 2023 MIPS final score is 90.4 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.