Nathan Feigenbaum, MD
NPI 1700845989 · Surgical Critical Care Physician · Huntington, NY
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Feigenbaum, MD is a Surgical Critical Care Physician provider in Huntington, NY (NPI 1700845989).
Provider details
- NPI number
- 1700845989
- Entity type
- Individual
- Primary specialty
- Surgical Critical Care PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 179241-1 (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
20 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
1,105 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 565 | $242 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 271 | $134 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 218 | $89 |
| Critical Care, Each Additional 30 Minutes99292 | 27 | $122 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 24 | $130 |
Typical Medicare-allowed amounts for these services range $89–$242 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-17
- Last updated
- 2008-06-17
Frequently asked questions
- What is Nathan Feigenbaum's NPI number?
- Nathan Feigenbaum's National Provider Identifier (NPI) is 1700845989, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Feigenbaum's specialty?
- Nathan Feigenbaum is listed in the NPPES registry with a primary specialty of Surgical Critical Care Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Feigenbaum located?
- Nathan Feigenbaum's practice location on file with NPPES is 270 Park Ave, Huntington, NY 11743-2787.
- What is Nathan Feigenbaum's phone number?
- The practice phone number listed in the NPPES registry for Nathan Feigenbaum is (631) 351-2000.
- Does Nathan Feigenbaum accept Medicare?
- Nathan Feigenbaum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Feigenbaum's NPI active?
- Yes — Nathan Feigenbaum's NPI (1700845989) is active in the NPPES registry as of the last update on 2008-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.