William Aronstein, M.D.
NPI 1750303939 · Internal Medicine Physician · Cincinnati, OH
William Aronstein, M.D. is a Internal Medicine Physician provider in Cincinnati, OH (NPI 1750303939).
Provider details
- NPI number
- 1750303939
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35-077101 (OH)
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
20 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
- 2006-07-24
- Last updated
- 2007-07-09
Frequently asked questions
- What is William Aronstein's NPI number?
- William Aronstein's National Provider Identifier (NPI) is 1750303939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Aronstein's specialty?
- William Aronstein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Aronstein located?
- William Aronstein's practice location on file with NPPES is 820 Ivy Ave, Cincinnati, OH 45246-4413.
- What is William Aronstein's phone number?
- The practice phone number listed in the NPPES registry for William Aronstein is (513) 772-9228.
- Is William Aronstein's NPI active?
- Yes — William Aronstein's NPI (1750303939) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.