DR. MARY T RYAN M.D.,
NPI 1093886327
Emergency Medicine in Bronx, NY
About Dr. Mary T Ryan M.d., NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY T RYAN M.D., (NPI 1093886327) is an individual emergency medicine provider in Bronx, New York, licensed in New York (210264) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with Lincoln Medical & Mental Health Center, and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Mary T Ryan M.d., 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
2Medicare enrollment records show Mary Ryan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bronx, NY 10451
- Reassigned Medicare billing, New York enrollment
- 971 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 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 3
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.
Lincoln Medical & Mental Health Center
Acute Care Hospitals · Bronx, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10451 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.
BRONX, NY 10451
BRONX, NY 10451
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 Mary Ryan's NPI number?
The NPI number for Mary Ryan is 1093886327. It was assigned to this individual provider in the NPPES registry on November 10, 2006.
Where is Mary Ryan located?
Mary Ryan practices at 234 E 149th St Emergency Department, Bronx, NY 10451. The listed phone number is (718) 579-6010.
What is Mary Ryan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mary Ryan enrolled in Medicare?
Yes. Mary 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 Mary Ryan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Ryan reassigns Medicare benefits to 2 organizations: Downtown Bronx Medical Associates PC (Bronx, NY) and Physician Affiliate Group Of New York PC (New York, 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 Mary Ryan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mary Ryan affiliated with any hospitals?
According to CMS data, Mary Ryan is affiliated with Lincoln Medical & Mental Health Center.
When was this NPI record last updated?
The NPPES record for Mary 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.
# Dr. Mary T Ryan, M.D., · NPI 1093886327
Emergency Medicine physician in Bronx, New York. Individual provider, active in the CMS NPPES registry since November 10, 2006.
## Identity
- **NPI:** 1093886327 (Entity type: Individual)
- **Enumerated:** November 10, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 210264 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 234 E 149TH ST, EMERGENCY DEPARTMENT, Bronx, NY 10451-5504
- **Phone:** (718) 579-6010 · **Fax:** (718) 579-4822
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Downtown Bronx Medical Associates PC (NPI 1689618407, Bronx, NY); Physician Affiliate Group Of New York PC (NPI 1013375526, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** July 8, 2007
---
Source: [NPI Profile](https://npiprofile.com/npi/1093886327) · Data from the CMS NPPES public registry.