Mark Sandigursky Internal Medicine, PLLC
NPI 1861548950 · Internal Medicine Physician · Yonkers, NY
Mark Sandigursky Internal Medicine, PLLC is a Internal Medicine Physician organization in Yonkers, NY (NPI 1861548950).
Provider details
- NPI number
- 1861548950
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Sandigursky, President(914) 237-0959
- License
- 193278
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
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
Mailing address
Registry dates
- Enumerated
- 2007-01-25
- Last updated
- 2014-02-12
Frequently asked questions
- What is Mark Sandigursky Internal Medicine, PLLC's NPI number?
- Mark Sandigursky Internal Medicine, PLLC's National Provider Identifier (NPI) is 1861548950, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark Sandigursky Internal Medicine, PLLC?
- Mark Sandigursky Internal Medicine, PLLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Sandigursky Internal Medicine, PLLC located?
- Mark Sandigursky Internal Medicine, PLLC's practice location on file with NPPES is 875 Yonkers Ave, Yonkers, NY 10704-3019.
- What is Mark Sandigursky Internal Medicine, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Mark Sandigursky Internal Medicine, PLLC is (914) 237-0959.
- Who is the authorized official for Mark Sandigursky Internal Medicine, PLLC?
- The authorized official listed on Mark Sandigursky Internal Medicine, PLLC's NPPES record is Mark Sandigursky, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark Sandigursky Internal Medicine, PLLC's NPI active?
- Yes — Mark Sandigursky Internal Medicine, PLLC's NPI (1861548950) is active in the NPPES registry as of the last update on 2014-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.