Nathaniel Himelstein, MD
NPI 1174618466 · Family Medicine Physician · Indianapolis, IN
Nathaniel Himelstein, MD is a Family Medicine Physician provider in Indianapolis, IN (NPI 1174618466).
Provider details
- NPI number
- 1174618466
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01020452 (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
19 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
- 2006-10-04
- Last updated
- 2015-05-14
Frequently asked questions
- What is Nathaniel Himelstein's NPI number?
- Nathaniel Himelstein's National Provider Identifier (NPI) is 1174618466, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Himelstein's specialty?
- Nathaniel Himelstein is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nathaniel Himelstein located?
- Nathaniel Himelstein's practice location on file with NPPES is 1001 Broad Ripple Ave, Indianapolis, IN 46220-2093.
- What is Nathaniel Himelstein's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Himelstein is (317) 338-4200.
- Is Nathaniel Himelstein's NPI active?
- Yes — Nathaniel Himelstein's NPI (1174618466) is active in the NPPES registry as of the last update on 2015-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.