Graham Services Corporation
NPI 1942315197 · Family Medicine Physician · Canton, IL
Graham Services Corporation is a Family Medicine Physician organization in Canton, IL (NPI 1942315197).
Provider details
- NPI number
- 1942315197
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Chris Duvendack, Vp of Clinic Operations(309) 647-0201
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Internal Medicine Physician207R00000X
Allopathic & Osteopathic Physicians
- Obstetrics & Gynecology Physician207V00000X
Allopathic & Osteopathic Physicians
- Orthopaedic Surgery Physician207X00000X
Allopathic & Osteopathic Physicians
- Pediatrics Physician208000000X
Allopathic & Osteopathic Physicians
- Surgery Physician208600000X
Allopathic & Osteopathic Physicians
- Nurse Practitioner363L00000X
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
Other names (DBA / former)
- Doing business as
- Coleman Clinic
Registry dates
- Enumerated
- 2006-08-20
- Last updated
- 2007-12-04
Frequently asked questions
- What is Graham Services Corporation's NPI number?
- Graham Services Corporation's National Provider Identifier (NPI) is 1942315197, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Graham Services Corporation?
- Graham Services Corporation is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Graham Services Corporation located?
- Graham Services Corporation's practice location on file with NPPES is 175 S Main St, Canton, IL 61520-2670.
- What is Graham Services Corporation's phone number?
- The practice phone number listed in the NPPES registry for Graham Services Corporation is (309) 647-0201.
- Who is the authorized official for Graham Services Corporation?
- The authorized official listed on Graham Services Corporation's NPPES record is Chris Duvendack, Vp of Clinic Operations. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Graham Services Corporation's NPI active?
- Yes — Graham Services Corporation's NPI (1942315197) is active in the NPPES registry as of the last update on 2007-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.