Marc Keshishian, MD
NPI 1255506333 · Internal Medicine Physician · Southfield, MI
Marc Keshishian, MD is a Internal Medicine Physician provider in Southfield, MI (NPI 1255506333).
Provider details
- NPI number
- 1255506333
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301041898 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-04-29
- Last updated
- 2008-04-29
Frequently asked questions
- What is Marc Keshishian's NPI number?
- Marc Keshishian's National Provider Identifier (NPI) is 1255506333, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Keshishian's specialty?
- Marc Keshishian is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Keshishian located?
- Marc Keshishian's practice location on file with NPPES is 20500 Civic Center Drive, Southfield, MI 48076.
- What is Marc Keshishian's phone number?
- The practice phone number listed in the NPPES registry for Marc Keshishian is (248) 799-6802.
- Is Marc Keshishian's NPI active?
- Yes — Marc Keshishian's NPI (1255506333) is active in the NPPES registry as of the last update on 2008-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.