What is Mary Gray's NPI number?

Mary Gray's National Provider Identifier (NPI) is 1144417692, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Gray's specialty?

Mary Gray is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).

Where is Mary Gray located?

Mary Gray's practice location on file with NPPES is 3111 Williamson County Pkwy, Marion, IL 62959-5235.

What is Mary Gray's phone number?

The practice phone number listed in the NPPES registry for Mary Gray is (618) 997-3647.

Is Mary Gray's NPI active?

Yes — Mary Gray's NPI (1144417692) is active in the NPPES registry as of the last update on 2018-03-27.

IndividualActive

Mary Gray

NPI 1144417692 · Psychiatric/Mental Health Registered Nurse · Marion, IL

Mary Gray is a Psychiatric/Mental Health Registered Nurse provider in Marion, IL (NPI 1144417692).

Provider details

NPI number: 1144417692
Entity type: Individual
Primary specialty: Psychiatric/Mental Health Registered NurseNursing Service Providers
Sex: Female
Sole proprietor: No
License: 041-142634 (IL)

Specialties & taxonomies

Psychiatric/Mental Health Registered NursePrimary163WP0808XLicense 041-142634 (IL)
Nursing Service Providers
Registered Nurse163W00000XLicense 041.142634 (IL)
Nursing Service Providers

Profile Score

Detailed profile(98/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
18 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
3 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

3111 Williamson County Pkwy

Marion, IL 62959-5235

Phone: (618) 997-3647

Fax: (618) 969-9437

Street-level locationGet directions

More IL providers

Mailing address

902 W Main St

West Frankfort, IL 62896-2210

Additional practice locations (2)

2311 S Illinois Ave
Carbondale, IL 62903-5912
Phone: (618) 457-6703
Fax: (618) 549-3734
902 W Main St
West Frankfort, IL 62896-2210
Phone: (618) 937-6483
Fax: (618) 937-1440

Enumerated: 2007-09-28
Last updated: 2018-03-27

Frequently asked questions

What is Mary Gray's NPI number?: Mary Gray's National Provider Identifier (NPI) is 1144417692, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mary Gray's specialty?: Mary Gray is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
Where is Mary Gray located?: Mary Gray's practice location on file with NPPES is 3111 Williamson County Pkwy, Marion, IL 62959-5235.
What is Mary Gray's phone number?: The practice phone number listed in the NPPES registry for Mary Gray is (618) 997-3647.
Is Mary Gray's NPI active?: Yes — Mary Gray's NPI (1144417692) is active in the NPPES registry as of the last update on 2018-03-27.

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