Hans Grunwald, MD
NPI 1639276504 · Hematology & Oncology Physician · Jamaica, NY
Hans Grunwald, MD is a Hematology & Oncology Physician provider in Jamaica, NY (NPI 1639276504).
Provider details
- NPI number
- 1639276504
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 102363 (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
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
- 2006-09-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Hans Grunwald's NPI number?
- Hans Grunwald's National Provider Identifier (NPI) is 1639276504, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hans Grunwald's specialty?
- Hans Grunwald is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Hans Grunwald located?
- Hans Grunwald's practice location on file with NPPES is 8268 164th St, Jamaica, NY 11432-1121.
- What is Hans Grunwald's phone number?
- The practice phone number listed in the NPPES registry for Hans Grunwald is (718) 883-4673.
- Is Hans Grunwald's NPI active?
- Yes — Hans Grunwald's NPI (1639276504) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.