Gregg Zimmer, MD
NPI 1447205596 · Otolaryngology Physician · E. Amherst, NY
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregg Zimmer, MD is a Otolaryngology Physician provider in E. Amherst, NY (NPI 1447205596).
Provider details
- NPI number
- 1447205596
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 1955531 (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
20 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
56 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 43 | $84 |
| Comprehensive Hearing and Speech Recognition Test92557 | 13 | $35 |
Typical Medicare-allowed amounts for these services range $35–$84 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 102 | 44 |
| Omeprazole | 33 | 14 |
| Ciprofloxacin Hcl/Dexamethbrand: Ciprofloxacin-Dexamethasone | 20 | 16 |
| Ciprofloxacin Hcl | 18 | 16 |
| Methylprednisolone | 17 | 17 |
| Cefuroxime Axetilbrand: Cefuroxime | 14 | 11 |
| Levofloxacin | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$242 across 4 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
- 2006-05-24
- Last updated
- 2020-02-27
- Certified
- 2020-02-27
Frequently asked questions
- What is Gregg Zimmer's NPI number?
- Gregg Zimmer's National Provider Identifier (NPI) is 1447205596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregg Zimmer's specialty?
- Gregg Zimmer is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregg Zimmer located?
- Gregg Zimmer's practice location on file with NPPES is 6041 Transit Rd, E. Amherst, NY 14051.
- What is Gregg Zimmer's phone number?
- The practice phone number listed in the NPPES registry for Gregg Zimmer is (716) 691-3500.
- Does Gregg Zimmer accept Medicare?
- Gregg Zimmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregg Zimmer's NPI active?
- Yes — Gregg Zimmer's NPI (1447205596) is active in the NPPES registry as of the last update on 2020-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.