Ryan Houlihan, DNAP, CRNA
NPI 1578255204 · Anesthesiology Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Houlihan, DNAP, CRNA is a Anesthesiology Physician provider in Stony Brook, NY (NPI 1578255204).
Provider details
- NPI number
- 1578255204
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DNAP, CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- 703073 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-05-22
- Last updated
- 2023-05-22
- Certified
- 2023-05-22
Frequently asked questions
- What is Ryan Houlihan's NPI number?
- Ryan Houlihan's National Provider Identifier (NPI) is 1578255204, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Houlihan's specialty?
- Ryan Houlihan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Houlihan located?
- Ryan Houlihan's practice location on file with NPPES is 101 Nicolls Rd, Stony Brook, NY 11794-0001.
- What is Ryan Houlihan's phone number?
- The practice phone number listed in the NPPES registry for Ryan Houlihan is (631) 689-8333.
- Does Ryan Houlihan accept Medicare?
- Ryan Houlihan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Houlihan's NPI active?
- Yes — Ryan Houlihan's NPI (1578255204) is active in the NPPES registry as of the last update on 2023-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.