Jason Greenfield
NPI 1639971336 · Student in an Organized Health Care Education/Training Program · New York, NY
Jason Greenfield is a Student in an Organized Health Care Education/Training Program provider in New York, NY (NPI 1639971336).
Provider details
- NPI number
- 1639971336
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% 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
- 2025-03-25
- Last updated
- 2025-03-25
- Certified
- 2025-03-25
Frequently asked questions
- What is Jason Greenfield's NPI number?
- Jason Greenfield's National Provider Identifier (NPI) is 1639971336, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Greenfield's specialty?
- Jason Greenfield is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Jason Greenfield located?
- Jason Greenfield's practice location on file with NPPES is 1000 10th Ave Rm 3a-08, New York, NY 10019-1147.
- What is Jason Greenfield's phone number?
- The practice phone number listed in the NPPES registry for Jason Greenfield is (212) 259-6777.
- Is Jason Greenfield's NPI active?
- Yes — Jason Greenfield's NPI (1639971336) is active in the NPPES registry as of the last update on 2025-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.