John Ostuni, MD
NPI 1811985153 · Internal Medicine Physician · Freeport, NY
John Ostuni, MD is a Internal Medicine Physician provider in Freeport, NY (NPI 1811985153).
Provider details
- NPI number
- 1811985153
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 112891 (NY)
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
- 2005-10-11
- Last updated
- 2008-04-15
Frequently asked questions
- What is John Ostuni's NPI number?
- John Ostuni's National Provider Identifier (NPI) is 1811985153, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ostuni's specialty?
- John Ostuni is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Ostuni located?
- John Ostuni's practice location on file with NPPES is 155 W Merrick Rd, Freeport, NY 11520-3743.
- What is John Ostuni's phone number?
- The practice phone number listed in the NPPES registry for John Ostuni is (516) 379-3139.
- Is John Ostuni's NPI active?
- Yes — John Ostuni's NPI (1811985153) is active in the NPPES registry as of the last update on 2008-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.