Nathan Kauffman, MD, PHD
NPI 1851185888 · Surgery Physician · Grand Rapids, MI
Enrolled with Medicare as Order and Referring Only - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Kauffman, MD, PHD is a Surgery Physician provider in Grand Rapids, MI (NPI 1851185888).
Provider details
- NPI number
- 1851185888
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 4351054477 (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
1 yr 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
- 2025-04-07
- Last updated
- 2025-06-18
- Certified
- 2025-06-18
Frequently asked questions
- What is Nathan Kauffman's NPI number?
- Nathan Kauffman's National Provider Identifier (NPI) is 1851185888, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Kauffman's specialty?
- Nathan Kauffman is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Kauffman located?
- Nathan Kauffman's practice location on file with NPPES is 100 Michigan St Ne Ste A601, Grand Rapids, MI 49503-2560.
- What is Nathan Kauffman's phone number?
- The practice phone number listed in the NPPES registry for Nathan Kauffman is (616) 391-6243.
- Does Nathan Kauffman accept Medicare?
- Nathan Kauffman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Kauffman's NPI active?
- Yes — Nathan Kauffman's NPI (1851185888) is active in the NPPES registry as of the last update on 2025-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.