Jennifer Fermin, MD
NPI 1679066104 · Emergency Medicine Physician · West Islip, NY
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Fermin, MD is a Emergency Medicine Physician provider in West Islip, NY (NPI 1679066104).
Provider details
- NPI number
- 1679066104
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 310637-01 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
647 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 214 | $196 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 206 | $135 |
| Critical Care, First 30-74 Minutes99291 | 57 | $237 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 56 | $80 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 38 | $143 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 31 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-09
- Last updated
- 2025-12-01
- Certified
- 2025-12-01
Frequently asked questions
- What is Jennifer Fermin's NPI number?
- Jennifer Fermin's National Provider Identifier (NPI) is 1679066104, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Fermin's specialty?
- Jennifer Fermin is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Fermin located?
- Jennifer Fermin's practice location on file with NPPES is 1000 Montauk Hwy, West Islip, NY 11795-4927.
- What is Jennifer Fermin's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Fermin is (631) 376-4045.
- Does Jennifer Fermin accept Medicare?
- Jennifer Fermin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Fermin's NPI active?
- Yes — Jennifer Fermin's NPI (1679066104) is active in the NPPES registry as of the last update on 2025-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.