Ira Nierenberg, M.D.
NPI 1972517332 · Gastroenterology Physician · Middletown, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ira Nierenberg, M.D. is a Gastroenterology Physician provider in Middletown, NY (NPI 1972517332).
Provider details
- NPI number
- 1972517332
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 162001 (NY)
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
- 2006-07-28
- Last updated
- 2024-09-26
- Certified
- 2024-09-26
Frequently asked questions
- What is Ira Nierenberg's NPI number?
- Ira Nierenberg's National Provider Identifier (NPI) is 1972517332, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ira Nierenberg's specialty?
- Ira Nierenberg is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Ira Nierenberg located?
- Ira Nierenberg's practice location on file with NPPES is 95 Crystal Run Rd, Middletown, NY 10941-7001.
- What is Ira Nierenberg's phone number?
- The practice phone number listed in the NPPES registry for Ira Nierenberg is (845) 703-6999.
- Does Ira Nierenberg accept Medicare?
- Ira Nierenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ira Nierenberg's NPI active?
- Yes — Ira Nierenberg's NPI (1972517332) is active in the NPPES registry as of the last update on 2024-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.