Brian Nielsen, M.D.
NPI 1851342349 · Obstetrics & Gynecology Physician · Kalamazoo, MI
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Nielsen, M.D. is a Obstetrics & Gynecology Physician provider in Kalamazoo, MI (NPI 1851342349).
Provider details
- NPI number
- 1851342349
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 042.0012157 (VT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
2 documented practice locations
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
Additional practice locations (1)
- 111 Colchester AveAcc, Mp, Level 4Burlington, VT 05401-1473Phone: (802) 847-1400
Registry dates
- Enumerated
- 2006-05-12
- Last updated
- 2024-08-14
- Certified
- 2024-08-14
Frequently asked questions
- What is Brian Nielsen's NPI number?
- Brian Nielsen's National Provider Identifier (NPI) is 1851342349, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Nielsen's specialty?
- Brian Nielsen is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Nielsen located?
- Brian Nielsen's practice location on file with NPPES is 601 John St Ste N1100, Kalamazoo, MI 49007.
- What is Brian Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Brian Nielsen is (269) 341-7887.
- Does Brian Nielsen accept Medicare?
- Brian Nielsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Nielsen's NPI active?
- Yes — Brian Nielsen's NPI (1851342349) is active in the NPPES registry as of the last update on 2024-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.