Gary Grossman, D.C.
NPI 1144393307 · Chiropractor · Southfield, MI
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Grossman, D.C. is a Chiropractor provider in Southfield, MI (NPI 1144393307).
Provider details
- NPI number
- 1144393307
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2301007140 (MI)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-11-16
- Last updated
- 2021-02-04
- Certified
- 2021-02-04
Frequently asked questions
- What is Gary Grossman's NPI number?
- Gary Grossman's National Provider Identifier (NPI) is 1144393307, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Grossman's specialty?
- Gary Grossman is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Gary Grossman located?
- Gary Grossman's practice location on file with NPPES is 17336 W 12 Mile Rd Ste 106, Southfield, MI 48076-2113.
- What is Gary Grossman's phone number?
- The practice phone number listed in the NPPES registry for Gary Grossman is (248) 395-0800.
- Does Gary Grossman accept Medicare?
- Gary Grossman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Grossman's NPI active?
- Yes — Gary Grossman's NPI (1144393307) is active in the NPPES registry as of the last update on 2021-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.