Jan Zislis, M.D., PLLC
NPI 1295104222 · Internal Medicine Physician · Purchase, NY
Jan Zislis, M.D., PLLC is a Internal Medicine Physician organization in Purchase, NY (NPI 1295104222).
Provider details
- NPI number
- 1295104222
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jan Zislis, Owner/Ceo(914) 984-5052
- License
- 221479-1 (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
10 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
- 2015-09-21
- Last updated
- 2024-12-28
- Certified
- 2024-12-28
Frequently asked questions
- What is Jan Zislis, M.D., PLLC's NPI number?
- Jan Zislis, M.D., PLLC's National Provider Identifier (NPI) is 1295104222, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jan Zislis, M.D., PLLC?
- Jan Zislis, M.D., PLLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jan Zislis, M.D., PLLC located?
- Jan Zislis, M.D., PLLC's practice location on file with NPPES is 3010 Westchester Ave Ste 105, Purchase, NY 10577-2524.
- What is Jan Zislis, M.D., PLLC's phone number?
- The practice phone number listed in the NPPES registry for Jan Zislis, M.D., PLLC is (914) 984-5052.
- Who is the authorized official for Jan Zislis, M.D., PLLC?
- The authorized official listed on Jan Zislis, M.D., PLLC's NPPES record is Jan Zislis, Owner/Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jan Zislis, M.D., PLLC's NPI active?
- Yes — Jan Zislis, M.D., PLLC's NPI (1295104222) is active in the NPPES registry as of the last update on 2024-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.