Grief Recovery Group, Inc
NPI 1356755334 · Clinical Social Worker · Oak Park, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grief Recovery Group, Inc is a Clinical Social Worker organization in Oak Park, IL (NPI 1356755334).
Provider details
- NPI number
- 1356755334
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Mary Hartnett, President(708) 359-5225
- License
- 149.013125 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
- 2014-06-17
- Last updated
- 2019-10-04
Frequently asked questions
- What is Grief Recovery Group, Inc's NPI number?
- Grief Recovery Group, Inc's National Provider Identifier (NPI) is 1356755334, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grief Recovery Group, Inc?
- Grief Recovery Group, Inc is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Grief Recovery Group, Inc located?
- Grief Recovery Group, Inc's practice location on file with NPPES is 1010 Lake Street, Oak Park, IL 60301.
- What is Grief Recovery Group, Inc's phone number?
- The practice phone number listed in the NPPES registry for Grief Recovery Group, Inc is (708) 359-5225.
- Does Grief Recovery Group, Inc accept Medicare?
- Grief Recovery Group, Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Grief Recovery Group, Inc?
- The authorized official listed on Grief Recovery Group, Inc's NPPES record is Mary Hartnett, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grief Recovery Group, Inc's NPI active?
- Yes — Grief Recovery Group, Inc's NPI (1356755334) is active in the NPPES registry as of the last update on 2019-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.