Marc Siditsky, RPA-C
NPI 1972521847 · Physician Assistant · Rochester, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Siditsky, RPA-C is a Physician Assistant provider in Rochester, NY (NPI 1972521847).
Provider details
- NPI number
- 1972521847
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RPA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 000373 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
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
- 2006-07-18
- Last updated
- 2020-09-18
- Certified
- 2020-09-18
Frequently asked questions
- What is Marc Siditsky's NPI number?
- Marc Siditsky's National Provider Identifier (NPI) is 1972521847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Siditsky's specialty?
- Marc Siditsky is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marc Siditsky located?
- Marc Siditsky's practice location on file with NPPES is 1445 Portland Avenue, Rochester, NY 14621-3008.
- What is Marc Siditsky's phone number?
- The practice phone number listed in the NPPES registry for Marc Siditsky is (585) 342-2638.
- Does Marc Siditsky accept Medicare?
- Marc Siditsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Siditsky's NPI active?
- Yes — Marc Siditsky's NPI (1972521847) is active in the NPPES registry as of the last update on 2020-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.