Allison Blumenfeld, MD
NPI 1306465026 · Surgical Critical Care Physician · Grand Rapids, MI
Enrolled with Medicare as Order and Referring Only - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Blumenfeld, MD is a Surgical Critical Care Physician provider in Grand Rapids, MI (NPI 1306465026).
Provider details
- NPI number
- 1306465026
- Entity type
- Individual
- Primary specialty
- Surgical Critical Care PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301514454 (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
6 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)
- Uw Hospital & Clinics 600 Highland AveMadison, WI 53792-0001Phone: (608) 263-6400
Registry dates
- Enumerated
- 2020-04-13
- Last updated
- 2026-02-10
- Certified
- 2026-02-10
Frequently asked questions
- What is Allison Blumenfeld's NPI number?
- Allison Blumenfeld's National Provider Identifier (NPI) is 1306465026, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Blumenfeld's specialty?
- Allison Blumenfeld is listed in the NPPES registry with a primary specialty of Surgical Critical Care Physician (Allopathic & Osteopathic Physicians).
- Where is Allison Blumenfeld located?
- Allison Blumenfeld's practice location on file with NPPES is 221 Michigan St Ne Ste 400, Grand Rapids, MI 49503-2538.
- What is Allison Blumenfeld's phone number?
- The practice phone number listed in the NPPES registry for Allison Blumenfeld is (616) 732-6200.
- Does Allison Blumenfeld accept Medicare?
- Allison Blumenfeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Blumenfeld's NPI active?
- Yes — Allison Blumenfeld's NPI (1306465026) is active in the NPPES registry as of the last update on 2026-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.