Schaffer, Schonholz & Drossman, LLP
NPI 1649322421 · Diagnostic Radiology Physician · New York, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Schaffer, Schonholz & Drossman, LLP is a Diagnostic Radiology Physician organization in New York, NY (NPI 1649322421).
Provider details
- NPI number
- 1649322421
- Entity type
- Organization
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Henry Hoffman, Administrator(212) 755-7879
Specialties & taxonomies
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
- 2007-01-18
- Last updated
- 2020-08-22
Frequently asked questions
- What is Schaffer, Schonholz & Drossman, LLP's NPI number?
- Schaffer, Schonholz & Drossman, LLP's National Provider Identifier (NPI) is 1649322421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Schaffer, Schonholz & Drossman, LLP?
- Schaffer, Schonholz & Drossman, LLP is classified in the NPPES registry as Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Schaffer, Schonholz & Drossman, LLP located?
- Schaffer, Schonholz & Drossman, LLP's practice location on file with NPPES is 488 Madison Ave, New York, NY 10022-5702.
- What is Schaffer, Schonholz & Drossman, LLP's phone number?
- The practice phone number listed in the NPPES registry for Schaffer, Schonholz & Drossman, LLP is (212) 755-7656.
- Does Schaffer, Schonholz & Drossman, LLP accept Medicare?
- Schaffer, Schonholz & Drossman, LLP is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Schaffer, Schonholz & Drossman, LLP?
- The authorized official listed on Schaffer, Schonholz & Drossman, LLP's NPPES record is Henry Hoffman, Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Schaffer, Schonholz & Drossman, LLP's NPI active?
- Yes — Schaffer, Schonholz & Drossman, LLP's NPI (1649322421) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.