Charles Liang, DO
NPI 1275553216 · Family Medicine Physician · Champaign, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Liang, DO is a Family Medicine Physician provider in Champaign, IL (NPI 1275553216).
Provider details
- NPI number
- 1275553216
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 036085307 (IL)
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
- 2006-07-20
- Last updated
- 2014-05-07
Frequently asked questions
- What is Charles Liang's NPI number?
- Charles Liang's National Provider Identifier (NPI) is 1275553216, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Liang's specialty?
- Charles Liang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Liang located?
- Charles Liang's practice location on file with NPPES is 1701 W Curtis Road, Champaign, IL 61822.
- What is Charles Liang's phone number?
- The practice phone number listed in the NPPES registry for Charles Liang is (217) 255-9655.
- Does Charles Liang accept Medicare?
- Charles Liang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Liang's NPI active?
- Yes — Charles Liang's NPI (1275553216) is active in the NPPES registry as of the last update on 2014-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.