James Koberstein
NPI 1396785986 · Obstetrics & Gynecology Physician · Duluth, MN
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Koberstein is a Obstetrics & Gynecology Physician provider in Duluth, MN (NPI 1396785986).
Provider details
- NPI number
- 1396785986
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 20035-020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-06-08
- Last updated
- 2011-05-09
Frequently asked questions
- What is James Koberstein's NPI number?
- James Koberstein's National Provider Identifier (NPI) is 1396785986, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Koberstein's specialty?
- James Koberstein is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is James Koberstein located?
- James Koberstein's practice location on file with NPPES is 400 E 3rd St, Duluth, MN 55805-1951.
- What is James Koberstein's phone number?
- The practice phone number listed in the NPPES registry for James Koberstein is (218) 786-3800.
- Does James Koberstein accept Medicare?
- James Koberstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Koberstein's NPI active?
- Yes — James Koberstein's NPI (1396785986) is active in the NPPES registry as of the last update on 2011-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.