Michael Gray, M.D.
NPI 1477634350 · Infectious Disease Physician · Bay Shore, NY
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Gray, M.D. is a Infectious Disease Physician provider in Bay Shore, NY (NPI 1477634350).
Provider details
- NPI number
- 1477634350
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 201426 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
3,007 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,959 | $81 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 514 | $135 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 360 | $122 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 90 | $69 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 70 | $178 |
| Emergency Department Visit With Straightforward Medical Decision Making99282 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ertapenem Sodiumbrand: Ertapenem | 42 | 17 |
| Cefazolin Sodium | 27 | — |
| Meropenem | 26 | — |
| Piperacillin Sodium/Tazobactambrand: Piperacillin-Tazobactam | 25 | — |
| Vancomycin Hcl | 24 | — |
| Cefepime Hcl | 16 | — |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$119 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
- 2006-10-18
- Last updated
- 2024-04-09
- Certified
- 2024-04-09
Frequently asked questions
- What is Michael Gray's NPI number?
- Michael Gray's National Provider Identifier (NPI) is 1477634350, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Gray's specialty?
- Michael Gray is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Gray located?
- Michael Gray's practice location on file with NPPES is 40 E Main St, Bay Shore, NY 11706-8301.
- What is Michael Gray's phone number?
- The practice phone number listed in the NPPES registry for Michael Gray is (631) 376-6075.
- Does Michael Gray accept Medicare?
- Michael Gray is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Gray's NPI active?
- Yes — Michael Gray's NPI (1477634350) is active in the NPPES registry as of the last update on 2024-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.