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Gregory Karris, MD
NPI 1164401188 · Gastroenterology Physician · Southfield, MI
Gregory Karris, MD is a Gastroenterology Physician provider in Southfield, MI (NPI 1164401188).
Provider details
- NPI number
- 1164401188
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 4301029338 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
22250 Providence Dr
Suite 604
Southfield, MI 48075-4825
Phone: (248) 569-1770
Fax: (248) 443-2439
Street-level locationGet directions
Mailing address
22250 Providence Dr
Southfield, MI 48075-4825
Registry dates
- Enumerated
- 2006-01-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Karris's NPI number?
- Gregory Karris's National Provider Identifier (NPI) is 1164401188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Karris's specialty?
- Gregory Karris is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Karris located?
- Gregory Karris's practice location on file with NPPES is 22250 Providence Dr, Southfield, MI 48075-4825.
- What is Gregory Karris's phone number?
- The practice phone number listed in the NPPES registry for Gregory Karris is (248) 569-1770.
- Is Gregory Karris's NPI active?
- Yes — Gregory Karris's NPI (1164401188) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.