Stephen Warshafsky MD Internal Medicine PLLC
NPI 1780816918 · Internal Medicine Physician · Ardsley, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Warshafsky MD Internal Medicine PLLC is a Internal Medicine Physician organization in Ardsley, NY (NPI 1780816918).
Provider details
- NPI number
- 1780816918
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Stephen Warshafsky, Principal(914) 260-4729
- License
- 60188090 (NY)
Specialties & taxonomies
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
- 2009-08-21
- Last updated
- 2009-08-21
Frequently asked questions
- What is Stephen Warshafsky MD Internal Medicine PLLC's NPI number?
- Stephen Warshafsky MD Internal Medicine PLLC's National Provider Identifier (NPI) is 1780816918, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Stephen Warshafsky MD Internal Medicine PLLC?
- Stephen Warshafsky MD Internal Medicine PLLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Warshafsky MD Internal Medicine PLLC located?
- Stephen Warshafsky MD Internal Medicine PLLC's practice location on file with NPPES is 1055 Saw Mill River Rd, Ardsley, NY 10502-1045.
- What is Stephen Warshafsky MD Internal Medicine PLLC's phone number?
- The practice phone number listed in the NPPES registry for Stephen Warshafsky MD Internal Medicine PLLC is (914) 591-0733.
- Does Stephen Warshafsky MD Internal Medicine PLLC accept Medicare?
- Stephen Warshafsky MD Internal Medicine PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Stephen Warshafsky MD Internal Medicine PLLC?
- The authorized official listed on Stephen Warshafsky MD Internal Medicine PLLC's NPPES record is Stephen Warshafsky, Principal. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Stephen Warshafsky MD Internal Medicine PLLC's NPI active?
- Yes — Stephen Warshafsky MD Internal Medicine PLLC's NPI (1780816918) is active in the NPPES registry as of the last update on 2009-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.