William Kremer, MD
NPI 1659347979 · Family Medicine Physician · Marshall, MN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Kremer, MD is a Family Medicine Physician provider in Marshall, MN (NPI 1659347979).
Provider details
- NPI number
- 1659347979
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 29594 (MN)
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
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
- 2006-02-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Kremer's NPI number?
- William Kremer's National Provider Identifier (NPI) is 1659347979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kremer's specialty?
- William Kremer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Kremer located?
- William Kremer's practice location on file with NPPES is 1420 East College Drive, Marshall, MN 56258.
- What is William Kremer's phone number?
- The practice phone number listed in the NPPES registry for William Kremer is (507) 532-9631.
- Does William Kremer accept Medicare?
- William Kremer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Kremer's NPI active?
- Yes — William Kremer's NPI (1659347979) 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.