Giesela Grumbach, PHD
NPI 1720554876 · Clinical Social Worker · Olympia Fields, IL
Giesela Grumbach, PHD is a Clinical Social Worker provider in Olympia Fields, IL (NPI 1720554876).
Provider details
- NPI number
- 1720554876
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 149007783 (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
7 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
- 2018-10-16
- Last updated
- 2018-10-16
Frequently asked questions
- What is Giesela Grumbach's NPI number?
- Giesela Grumbach's National Provider Identifier (NPI) is 1720554876, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Giesela Grumbach's specialty?
- Giesela Grumbach is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Giesela Grumbach located?
- Giesela Grumbach's practice location on file with NPPES is 2601 Lincoln Hwy Ste 101, Olympia Fields, IL 60461-1844.
- What is Giesela Grumbach's phone number?
- The practice phone number listed in the NPPES registry for Giesela Grumbach is (773) 727-9417.
- Is Giesela Grumbach's NPI active?
- Yes — Giesela Grumbach's NPI (1720554876) is active in the NPPES registry as of the last update on 2018-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.