OrganizationActive
Mark J Friedman MD
NPI 1932652377 · Psychiatry Physician · Glenview, IL
Mark J Friedman MD is a Psychiatry Physician organization in Glenview, IL (NPI 1932652377).
Provider details
- NPI number
- 1932652377
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Roman Hnatiw, Acct Manager(630) 241-1495
- License
- 036103961 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(71/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
400 Wilmette Ave
Glenview, IL 60025-3261
Phone: (630) 241-1495
Fax: (630) 241-1543
Street-level locationGet directions
Mailing address
400 Wilmette Ave
Glenview, IL 60025-3261
Registry dates
- Enumerated
- 2016-08-03
- Last updated
- 2016-08-03
Frequently asked questions
- What is Mark J Friedman MD's NPI number?
- Mark J Friedman MD's National Provider Identifier (NPI) is 1932652377, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark J Friedman MD?
- Mark J Friedman MD is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mark J Friedman MD located?
- Mark J Friedman MD's practice location on file with NPPES is 400 Wilmette Ave, Glenview, IL 60025-3261.
- What is Mark J Friedman MD's phone number?
- The practice phone number listed in the NPPES registry for Mark J Friedman MD is (630) 241-1495.
- Who is the authorized official for Mark J Friedman MD?
- The authorized official listed on Mark J Friedman MD's NPPES record is Roman Hnatiw, Acct Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark J Friedman MD's NPI active?
- Yes — Mark J Friedman MD's NPI (1932652377) is active in the NPPES registry as of the last update on 2016-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.