Ren Ariizumi, MD
NPI 1255832762 · Anesthesiology Physician · Minocqua, WI
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ren Ariizumi, MD is a Anesthesiology Physician provider in Minocqua, WI (NPI 1255832762).
Provider details
- NPI number
- 1255832762
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101275609 (VA)
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
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- Walter Reed National Military Medical Center - Anesthes8901 Wisconsin AveBethesda, MD 20889-0004Phone: (301) 295-0537
- 9300 Dewitt LoopFort Belvoir, VA 22060-5285Phone: (571) 231-3224
Registry dates
- Enumerated
- 2018-02-21
- Last updated
- 2026-02-06
- Certified
- 2026-02-06
Frequently asked questions
- What is Ren Ariizumi's NPI number?
- Ren Ariizumi's National Provider Identifier (NPI) is 1255832762, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ren Ariizumi's specialty?
- Ren Ariizumi is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ren Ariizumi located?
- Ren Ariizumi's practice location on file with NPPES is 9576 Hwy 70, Minocqua, WI 54548-9067.
- What is Ren Ariizumi's phone number?
- The practice phone number listed in the NPPES registry for Ren Ariizumi is (715) 358-1000.
- Does Ren Ariizumi accept Medicare?
- Ren Ariizumi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ren Ariizumi's NPI active?
- Yes — Ren Ariizumi's NPI (1255832762) is active in the NPPES registry as of the last update on 2026-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.