Mark Valigorsky, DNP-FNP
NPI 1104645878 · Family Nurse Practitioner · Westport, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Valigorsky, DNP-FNP is a Family Nurse Practitioner provider in Westport, CT (NPI 1104645878).
Provider details
- NPI number
- 1104645878
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP-FNP
- Sex
- Male
- Sole proprietor
- No
- License
- 013681 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2024-10-09
- Last updated
- 2025-10-10
- Certified
- 2025-10-10
Frequently asked questions
- What is Mark Valigorsky's NPI number?
- Mark Valigorsky's National Provider Identifier (NPI) is 1104645878, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Valigorsky's specialty?
- Mark Valigorsky is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Valigorsky located?
- Mark Valigorsky's practice location on file with NPPES is 1505 Post Rd E Ste 101, Westport, CT 06880-5512.
- What is Mark Valigorsky's phone number?
- The practice phone number listed in the NPPES registry for Mark Valigorsky is (203) 221-3370.
- Does Mark Valigorsky accept Medicare?
- Mark Valigorsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Valigorsky's NPI active?
- Yes — Mark Valigorsky's NPI (1104645878) is active in the NPPES registry as of the last update on 2025-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.