Joan Grussing, LPC-S, LISAC
NPI 1588937643 · Mental Health Counselor · Glendale, AZ
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joan Grussing, LPC-S, LISAC is a Mental Health Counselor provider in Glendale, AZ (NPI 1588937643).
Provider details
- NPI number
- 1588937643
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LPC-S, LISAC
- Sex
- Female
- Sole proprietor
- Yes
- License
- LPC 11798 (AZ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
14 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
- 2012-02-20
- Last updated
- 2024-02-07
- Certified
- 2024-02-07
Frequently asked questions
- What is Joan Grussing's NPI number?
- Joan Grussing's National Provider Identifier (NPI) is 1588937643, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Grussing's specialty?
- Joan Grussing is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Joan Grussing located?
- Joan Grussing's practice location on file with NPPES is 11851 N 51st Ave Ste B110, Glendale, AZ 85304-2823.
- What is Joan Grussing's phone number?
- The practice phone number listed in the NPPES registry for Joan Grussing is (480) 882-4545.
- Does Joan Grussing accept Medicare?
- Joan Grussing is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joan Grussing's NPI active?
- Yes — Joan Grussing's NPI (1588937643) is active in the NPPES registry as of the last update on 2024-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.