JAMES GERARD RYAN MD
NPI 1881608446
Emergency Medicine in Flushing, NY
About James Gerard Ryan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES GERARD RYAN MD (NPI 1881608446) is an individual emergency medicine provider in Flushing, New York, licensed in New York (157182) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with St Catherine Of Siena Hospital Medical Center, and is a graduate of State University Of New York Downstate Medical Center (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
James Gerard Ryan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show James Ryan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Far Rockaway, NY 11691
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Island Emergency Medical Services PC
- 290 clinicians in this Medicare group
Rockville Centre, NY 11570
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: North Shore Lij Urgent Care PC
- 210 clinicians in this Medicare group
Smithtown, NY 11787
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Siena Emergency Medical Services PC
- 55 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Catherine Of Siena Hospital Medical Center
Acute Care Hospitals · Smithtown, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11355 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FLUSHING, NY 11355
FLUSHING, NY 11355
FLUSHING, NY 11355
FLUSHING, NY 11355
FLUSHING, NY 11355
FLUSHING, NY 11355
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is James Ryan's NPI number?
The NPI number for James Ryan is 1881608446. It was assigned to this individual provider in the NPPES registry on July 28, 2006.
Where is James Ryan located?
James Ryan practices at 56-45 Main St New York Hospital Medical Center Of Queens Emergency De, Flushing, NY 11355. The listed phone number is (718) 670-1231.
What is James Ryan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is James Ryan enrolled in Medicare?
Yes. James Ryan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for James Ryan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Ryan reassigns Medicare benefits to 3 organizations: Island Emergency Medical Services, P.C. (Far Rockaway, NY), North Shore Lij, Urgent Care, P.C. (Rockville Centre, NY) and Siena Emergency Medical Services, P.C. (Smithtown, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Ryan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is James Ryan affiliated with any hospitals?
According to CMS data, James Ryan is affiliated with St Catherine Of Siena Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for James Ryan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# James Gerard Ryan, MD · NPI 1881608446
Emergency Medicine physician in Flushing, New York. Individual provider, active in the CMS NPPES registry since July 28, 2006.
## Identity
- **NPI:** 1881608446 (Entity type: Individual)
- **Enumerated:** July 28, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 157182 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 56-45 MAIN ST, NEW YORK HOSPITAL MEDICAL CENTER OF QUEENS EMERGENCY DE, Flushing, NY 11355
- **Phone:** (718) 670-1231 · **Fax:** (610) 617-6280
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Island Emergency Medical Services, P.C. (NPI 1639160385, Far Rockaway, NY); North Shore Lij, Urgent Care, P.C. (NPI 1679970891, Rockville Centre, NY); Siena Emergency Medical Services, P.C. (NPI 1356507099, Smithtown, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York Downstate Medical Center, class of 1982
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN A61307; Medicare ID-Type Unspecified 6383WL (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1881608446) · Data from the CMS NPPES public registry.