Mark Whitney, PA-C
NPI 1225445273 · Physician Assistant · Sycamore, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Whitney, PA-C is a Physician Assistant provider in Sycamore, IL (NPI 1225445273).
Provider details
- NPI number
- 1225445273
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 085-005096 (IL)
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
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 2631 Williamsburg Ave Ste 202Geneva, IL 60134-1111Phone: (630) 345-3463
Registry dates
- Enumerated
- 2014-07-22
- Last updated
- 2021-12-21
- Certified
- 2021-12-21
Frequently asked questions
- What is Mark Whitney's NPI number?
- Mark Whitney's National Provider Identifier (NPI) is 1225445273, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Whitney's specialty?
- Mark Whitney is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Whitney located?
- Mark Whitney's practice location on file with NPPES is 1815 Mediterranean Dr Ste 103, Sycamore, IL 60178-3299.
- What is Mark Whitney's phone number?
- The practice phone number listed in the NPPES registry for Mark Whitney is (815) 981-4742.
- Does Mark Whitney accept Medicare?
- Mark Whitney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Whitney's NPI active?
- Yes — Mark Whitney's NPI (1225445273) is active in the NPPES registry as of the last update on 2021-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.