Janet Widerspan, M.D.
NPI 1659698199 · Family Medicine Physician · Massapequa Park, NY
Janet Widerspan, M.D. is a Family Medicine Physician provider in Massapequa Park, NY (NPI 1659698199).
Provider details
- NPI number
- 1659698199
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 209672 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2010-04-23
- Last updated
- 2010-04-23
Frequently asked questions
- What is Janet Widerspan's NPI number?
- Janet Widerspan's National Provider Identifier (NPI) is 1659698199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janet Widerspan's specialty?
- Janet Widerspan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Janet Widerspan located?
- Janet Widerspan's practice location on file with NPPES is 50 Larch Ln, Massapequa Park, NY 11762-3924.
- What is Janet Widerspan's phone number?
- The practice phone number listed in the NPPES registry for Janet Widerspan is (516) 804-4899.
- Is Janet Widerspan's NPI active?
- Yes — Janet Widerspan's NPI (1659698199) is active in the NPPES registry as of the last update on 2010-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.