Eric Gengenbach, O.D.
NPI 1336473107 · Optometrist · Grant, NE
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Gengenbach, O.D. is a Optometrist provider in Grant, NE (NPI 1336473107).
Provider details
- NPI number
- 1336473107
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 1335 (NE)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,961 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 940 | $120 |
| Photography of the Retina92250 | 541 | $35 |
| Imaging of Retina92134 | 131 | $38 |
| Imaging of Optic Nerve92133 | 122 | $33 |
| Exam of Visual Field With Extended Testing92083 | 113 | $59 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 63 | $155 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 248 | 55 |
| Prednisolone Acetate | 49 | 40 |
| Brimonidine Tartrate | 47 | 12 |
| Ofloxacin | 36 | 36 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 21 | — |
| Brimonidine Tartrate/Timololbrand: Brimonidine Tartrate-Timolol | 20 | — |
| Timolol Maleate | 20 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$24 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-09-28
- Last updated
- 2012-12-31
Frequently asked questions
- What is Eric Gengenbach's NPI number?
- Eric Gengenbach's National Provider Identifier (NPI) is 1336473107, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Gengenbach's specialty?
- Eric Gengenbach is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Eric Gengenbach located?
- Eric Gengenbach's practice location on file with NPPES is 115 W 3rd St, Grant, NE 69140-3107.
- What is Eric Gengenbach's phone number?
- The practice phone number listed in the NPPES registry for Eric Gengenbach is (308) 352-4424.
- Does Eric Gengenbach accept Medicare?
- Eric Gengenbach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Gengenbach's NPI active?
- Yes — Eric Gengenbach's NPI (1336473107) is active in the NPPES registry as of the last update on 2012-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.