Nathaniel Berman, M.D.
NPI 1285891242 · Nephrology Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathaniel Berman, M.D. is a Nephrology Physician provider in New York, NY (NPI 1285891242).
Provider details
- NPI number
- 1285891242
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 234738 (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
18 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
1,095 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 575 | $84 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 317 | $53 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 60 | $141 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 48 | $143 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 47 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-19
- Last updated
- 2024-04-03
- Certified
- 2024-04-03
Frequently asked questions
- What is Nathaniel Berman's NPI number?
- Nathaniel Berman's National Provider Identifier (NPI) is 1285891242, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Berman's specialty?
- Nathaniel Berman is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Nathaniel Berman located?
- Nathaniel Berman's practice location on file with NPPES is 505 E 70th St Fl 2, New York, NY 10021-4872.
- What is Nathaniel Berman's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Berman is (212) 746-1578.
- Does Nathaniel Berman accept Medicare?
- Nathaniel Berman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathaniel Berman's NPI active?
- Yes — Nathaniel Berman's NPI (1285891242) is active in the NPPES registry as of the last update on 2024-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.