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Frederick Lewis, MD
NPI 1639273998 · Internal Medicine Physician · New York, NY
Frederick Lewis, MD is a Internal Medicine Physician provider in New York, NY (NPI 1639273998).
Provider details
- NPI number
- 1639273998
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 112600 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
1900 Second Avenue
9th Floor
New York, NY 10029
Phone: (212) 360-7893
Fax: (212) 348-7253
Approximate (ZIP-level) locationGet directions
Mailing address
1900 Second Avenue
New York, NY 10029
Registry dates
- Enumerated
- 2006-09-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Frederick Lewis's NPI number?
- Frederick Lewis's National Provider Identifier (NPI) is 1639273998, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederick Lewis's specialty?
- Frederick Lewis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Frederick Lewis located?
- Frederick Lewis's practice location on file with NPPES is 1900 Second Avenue, New York, NY 10029.
- What is Frederick Lewis's phone number?
- The practice phone number listed in the NPPES registry for Frederick Lewis is (212) 360-7893.
- Is Frederick Lewis's NPI active?
- Yes — Frederick Lewis's NPI (1639273998) 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.