Mark Starczynski
NPI 1437649324 · Mental Health Counselor · Gurnee, IL
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Starczynski is a Mental Health Counselor provider in Gurnee, IL (NPI 1437649324).
Provider details
- NPI number
- 1437649324
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
8 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
4 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
Mailing address
Additional practice locations (3)
- 34121 N US Highway 45 Ste 221Grayslake, IL 60030-1774Phone: (847) 821-9346
- 100 N Waukegan Rd Ste 204Lake Bluff, IL 60044Phone: (847) 821-9346
- 550 W Frontage Rd Ste 3825Northfield, IL 60093-1262Phone: (847) 821-9346
Registry dates
- Enumerated
- 2018-05-16
- Last updated
- 2021-05-06
- Certified
- 2021-05-06
Frequently asked questions
- What is Mark Starczynski's NPI number?
- Mark Starczynski's National Provider Identifier (NPI) is 1437649324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Starczynski's specialty?
- Mark Starczynski is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Starczynski located?
- Mark Starczynski's practice location on file with NPPES is 222 S Greenleaf St Ste 106, Gurnee, IL 60031-5705.
- What is Mark Starczynski's phone number?
- The practice phone number listed in the NPPES registry for Mark Starczynski is (847) 473-6233.
- Does Mark Starczynski accept Medicare?
- Mark Starczynski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Starczynski's NPI active?
- Yes — Mark Starczynski's NPI (1437649324) is active in the NPPES registry as of the last update on 2021-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.