OrganizationActive
Alan M Leff MD PC
NPI 1477500643 · Pain Medicine (Anesthesiology) Physician · New York, NY
Provider details
- NPI number
- 1477500643
- Entity type
- Organization
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alan Leff, Office Manager(646) 521-0404
- License
- 096783 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
338 E 49th St
New York, NY 10017-1607
Phone: (646) 521-0404
Fax: (646) 521-0409
Street-level locationGet directions
Mailing address
338 E 49th St
New York, NY 10017-1607
Other names (DBA / former)
- Doing business as
- Pain Management and Rehabilitation Medical Services
Registry dates
- Enumerated
- 2006-05-31
- Last updated
- 2013-05-01
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.