Mark Barber, D.O.
NPI 1629092036 · Family Medicine Physician · Interlochen, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Barber, D.O. is a Family Medicine Physician provider in Interlochen, MI (NPI 1629092036).
Provider details
- NPI number
- 1629092036
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5101013221 (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
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
- 2006-07-27
- Last updated
- 2017-03-16
Frequently asked questions
- What is Mark Barber's NPI number?
- Mark Barber's National Provider Identifier (NPI) is 1629092036, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Barber's specialty?
- Mark Barber is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Barber located?
- Mark Barber's practice location on file with NPPES is 1975 Stirling Dr, Interlochen, MI 49643-9264.
- What is Mark Barber's phone number?
- The practice phone number listed in the NPPES registry for Mark Barber is (231) 275-7965.
- Does Mark Barber accept Medicare?
- Mark Barber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Barber's NPI active?
- Yes — Mark Barber's NPI (1629092036) is active in the NPPES registry as of the last update on 2017-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.