Roger Waltzman, MD
NPI 1093703654 · Hematology & Oncology Physician · New York, NY
Roger Waltzman, MD is a Hematology & Oncology Physician provider in New York, NY (NPI 1093703654).
Provider details
- NPI number
- 1093703654
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 199084 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-10-07
- Last updated
- 2018-09-27
Frequently asked questions
- What is Roger Waltzman's NPI number?
- Roger Waltzman's National Provider Identifier (NPI) is 1093703654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roger Waltzman's specialty?
- Roger Waltzman is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Roger Waltzman located?
- Roger Waltzman's practice location on file with NPPES is 310 East 67 Street, New York, NY 10065.
- What is Roger Waltzman's phone number?
- The practice phone number listed in the NPPES registry for Roger Waltzman is (917) 262-0415.
- Is Roger Waltzman's NPI active?
- Yes — Roger Waltzman's NPI (1093703654) is active in the NPPES registry as of the last update on 2018-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.