James Speyer, M.D.
NPI 1871595678 · Hematology & Oncology Physician · New York, NY
Enrolled with Medicare as Practitioner - Hematology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Speyer, M.D. is a Hematology & Oncology Physician provider in New York, NY (NPI 1871595678).
Provider details
- NPI number
- 1871595678
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 123865 (NY)
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
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
- 2005-08-11
- Last updated
- 2022-09-08
- Certified
- 2022-09-08
Frequently asked questions
- What is James Speyer's NPI number?
- James Speyer's National Provider Identifier (NPI) is 1871595678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Speyer's specialty?
- James Speyer is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is James Speyer located?
- James Speyer's practice location on file with NPPES is 160 E 34th St, New York, NY 10016-4750.
- What is James Speyer's phone number?
- The practice phone number listed in the NPPES registry for James Speyer is (212) 731-5165.
- Does James Speyer accept Medicare?
- James Speyer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Speyer's NPI active?
- Yes — James Speyer's NPI (1871595678) is active in the NPPES registry as of the last update on 2022-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.