Nathan Hollowell, DO
NPI 1225779044 · Anesthesiology Physician · Indianapolis, IN
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Hollowell, DO is a Anesthesiology Physician provider in Indianapolis, IN (NPI 1225779044).
Provider details
- NPI number
- 1225779044
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 02008249A (IN)
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
4 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
- 2022-04-05
- Last updated
- 2026-06-04
- Certified
- 2026-06-04
Frequently asked questions
- What is Nathan Hollowell's NPI number?
- Nathan Hollowell's National Provider Identifier (NPI) is 1225779044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Hollowell's specialty?
- Nathan Hollowell is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Hollowell located?
- Nathan Hollowell's practice location on file with NPPES is 1130 W Michigan St, Indianapolis, IN 46202-5209.
- What is Nathan Hollowell's phone number?
- The practice phone number listed in the NPPES registry for Nathan Hollowell is (317) 274-0076.
- Does Nathan Hollowell accept Medicare?
- Nathan Hollowell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Hollowell's NPI active?
- Yes — Nathan Hollowell's NPI (1225779044) is active in the NPPES registry as of the last update on 2026-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.