Alan Gruber, MD
NPI 1356345839 · Ophthalmology Physician · Rochester, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alan Gruber, MD is a Ophthalmology Physician provider in Rochester, NY (NPI 1356345839).
Provider details
- NPI number
- 1356345839
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 154919 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 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
312 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 Complete Exam of Visual System92014 | 143 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 95 | $86 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 23 | $122 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 18 | $40 |
| New Patient Complete Exam of Visual System92004 | 11 | $139 |
| Exam of Visual Field With Extended Testing92083 | 11 | $60 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 274 | 77 |
| Timolol Maleate | 98 | 40 |
| Prednisolone Acetate | 88 | 59 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 86 | 28 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 74 | 52 |
| Bimatoprostbrand: Lumigan | 70 | 25 |
| Ofloxacin | 58 | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$174 across 7 records (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
- 2005-06-13
- Last updated
- 2014-08-20
Frequently asked questions
- What is Alan Gruber's NPI number?
- Alan Gruber's National Provider Identifier (NPI) is 1356345839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alan Gruber's specialty?
- Alan Gruber is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Alan Gruber located?
- Alan Gruber's practice location on file with NPPES is 2100 Clinton Ave S, Rochester, NY 14618-2616.
- What is Alan Gruber's phone number?
- The practice phone number listed in the NPPES registry for Alan Gruber is (585) 244-6011.
- Does Alan Gruber accept Medicare?
- Alan Gruber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alan Gruber's NPI active?
- Yes — Alan Gruber's NPI (1356345839) is active in the NPPES registry as of the last update on 2014-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.