Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark A. Grumet, D.C.
Chiropractor in Northbrook, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841269594
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Registry record
Entity type Individual (Type 1)
Name Mark A. Grumet
Credential D.C.
Sex Male
Practice address 666 Dundee Rd, Suite 307, Northbrook, IL, 60062
Phone (847) 897-8888
Enumeration date Mar 15, 2006
Last updated in NPPES Jun 5, 2008
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 01628196 | Other | IL | BCBSIL |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Mark Grumet?
The National Provider Identifier (NPI) for Mark Grumet is 1841269594, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Grumet practice?
The practice location on file with NPPES is in Northbrook, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Michael Feld Psychiatry Physician · Northbrook, IL NPI 1427057322 Barry Alpert Psychologist · Northbrook, IL NPI 1013916998 Colleen Levitz Physical Therapist · Northbrook, IL NPI 1558344911 Rebound Fitness and Rehabilitation/Rebound Sports Medicine Clinic/Center · Northbrook, IL NPI 1619944378 Integrated Chiropractic of the North Shore LLC Chiropractor · Northbrook, IL NPI 1639148307 Joel Groner Clinical Psychologist · Northbrook, IL NPI 1407817679 David Williams General Practice Dentistry · Northbrook, IL NPI 1336178052 Laurie Honor Family Psychologist · Northbrook, IL NPI 1104857739
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-06-05.