What is James Gilligan's NPI number?

James Gilligan's National Provider Identifier (NPI) is 1629453097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is James Gilligan's specialty?

James Gilligan is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).

Where is James Gilligan located?

James Gilligan's practice location on file with NPPES is 501 Lake Land Blvd, Mattoon, IL 61938-5283.

What is James Gilligan's phone number?

The practice phone number listed in the NPPES registry for James Gilligan is (217) 258-3370.

Is James Gilligan's NPI active?

Yes — James Gilligan's NPI (1629453097) is active in the NPPES registry as of the last update on 2015-07-27.

IndividualActive

James Gilligan, RD, LD

NPI 1629453097 · Registered Dietitian · Mattoon, IL

James Gilligan, RD, LD is a Registered Dietitian provider in Mattoon, IL (NPI 1629453097).

Provider details

NPI number: 1629453097
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: RD, LD
Sex: Male
Sole proprietor: No
License: 164006502 (IL)

Practice location

501 Lake Land Blvd

Mattoon, IL 61938-5283

Phone: (217) 258-3370

Street-level locationGet directions

More IL providers

Mailing address

6612 Winnebago St

Saint Louis, MO 63109-1245

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense 164006502 (IL)
Dietary & Nutritional Service Providers
Registered Dietitian133V00000XLicense 2012036779 (MO)
Dietary & Nutritional Service Providers

Profile Score

Established profile(74/100 index)

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
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.

Enumerated: 2015-07-27
Last updated: 2015-07-27

Frequently asked questions

What is James Gilligan's NPI number?: James Gilligan's National Provider Identifier (NPI) is 1629453097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is James Gilligan's specialty?: James Gilligan is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
Where is James Gilligan located?: James Gilligan's practice location on file with NPPES is 501 Lake Land Blvd, Mattoon, IL 61938-5283.
What is James Gilligan's phone number?: The practice phone number listed in the NPPES registry for James Gilligan is (217) 258-3370.
Is James Gilligan's NPI active?: Yes — James Gilligan's NPI (1629453097) is active in the NPPES registry as of the last update on 2015-07-27.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions