Ryan Hirschfeld, M.D.
NPI 1831459874 · Pediatrics Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Hirschfeld, M.D. is a Pediatrics Physician provider in Stony Brook, NY (NPI 1831459874).
Provider details
- NPI number
- 1831459874
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD16643 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
14 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
- 2012-05-24
- Last updated
- 2022-04-29
- Certified
- 2022-04-29
Frequently asked questions
- What is Ryan Hirschfeld's NPI number?
- Ryan Hirschfeld's National Provider Identifier (NPI) is 1831459874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Hirschfeld's specialty?
- Ryan Hirschfeld is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Hirschfeld located?
- Ryan Hirschfeld's practice location on file with NPPES is 101 Nicolls Rd Fl Hsc11, Stony Brook, NY 11794-2782.
- What is Ryan Hirschfeld's phone number?
- The practice phone number listed in the NPPES registry for Ryan Hirschfeld is (631) 444-2648.
- Does Ryan Hirschfeld accept Medicare?
- Ryan Hirschfeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Hirschfeld's NPI active?
- Yes — Ryan Hirschfeld's NPI (1831459874) is active in the NPPES registry as of the last update on 2022-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.