Ralph Nachman, MD
NPI 1275620346 · Internal Medicine Physician · New York, NY
Ralph Nachman, MD is a Internal Medicine Physician provider in New York, NY (NPI 1275620346).
Provider details
- NPI number
- 1275620346
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 083906 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-09
- Last updated
- 2025-09-11
Frequently asked questions
- What is Ralph Nachman's NPI number?
- Ralph Nachman's National Provider Identifier (NPI) is 1275620346, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Nachman's specialty?
- Ralph Nachman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ralph Nachman located?
- Ralph Nachman's practice location on file with NPPES is 520 E 70th St # Starr-341, New York, NY 10021-9800.
- What is Ralph Nachman's phone number?
- The practice phone number listed in the NPPES registry for Ralph Nachman is (212) 746-4720.
- Is Ralph Nachman's NPI active?
- Yes — Ralph Nachman's NPI (1275620346) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.