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Isaac Weisfuse, MD
NPI 1548205677 · Internal Medicine Physician · New York, NY
Isaac Weisfuse, MD is a Internal Medicine Physician provider in New York, NY (NPI 1548205677).
Provider details
- NPI number
- 1548205677
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 1724261 (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
455 1st Ave
Nycddh Bureau of Laboratories
New York, NY 10016-9102
Phone: (212) 442-8468
Fax: (212) 442-8452
Street-level locationGet directions
Mailing address
125 Worth St
New York, NY 10013-4006
Registry dates
- Enumerated
- 2006-06-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Isaac Weisfuse's NPI number?
- Isaac Weisfuse's National Provider Identifier (NPI) is 1548205677, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Weisfuse's specialty?
- Isaac Weisfuse is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Isaac Weisfuse located?
- Isaac Weisfuse's practice location on file with NPPES is 455 1st Ave, New York, NY 10016-9102.
- What is Isaac Weisfuse's phone number?
- The practice phone number listed in the NPPES registry for Isaac Weisfuse is (212) 442-8468.
- Is Isaac Weisfuse's NPI active?
- Yes — Isaac Weisfuse's NPI (1548205677) 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.