DR. SARAH J. RYAN M.D.
NPI 1326376401
Internal Medicine in New York, NY
About Dr. Sarah J. Ryan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SARAH J. RYAN M.D. (NPI 1326376401) is an individual internal medicine provider in New York, New York, licensed in New York (271945) and active in the NPI registry since November 2009. She is enrolled in Medicare PECOS, is affiliated with Harlem Hospital Center, and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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. Sarah J. 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
5Medicare enrollment records show Sarah Ryan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 769 clinicians in this Medicare group
New York, NY 10065
- Reassigned Medicare billing, New York enrollment
- 43 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 676 clinicians in this Medicare group
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 3,922 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Harlem Hospital Center
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10028 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.
NEW YORK, NY 10028
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 Sarah Ryan's NPI number?
The NPI number for Sarah Ryan is 1326376401. It was assigned to this individual provider in the NPPES registry on November 30, 2009. The provider is also known as Dr. Sarah J. Shao M.D..
Where is Sarah Ryan located?
Sarah Ryan practices at 234 E 85th St, New York, NY 10028. The listed phone number is (212) 241-6585.
What is Sarah Ryan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Sarah Ryan enrolled in Medicare?
Yes. Sarah 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 Sarah Ryan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Ryan reassigns Medicare benefits to 5 organizations: Icahn School Of Medicine At Mount Sinai (New York, NY), Nsuh Plainview Physicians Ufp Corporation (New York, NY), Physician Affiliate Group Of New York PC (New York, NY), Harlem Medical Associates PC (New York, NY) and Trustees Of Columbia University In The City Of New York (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 Sarah Ryan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sarah Ryan affiliated with any hospitals?
According to CMS data, Sarah Ryan is affiliated with Harlem Hospital Center.
When was this NPI record last updated?
The NPPES record for Sarah Ryan was last updated on March 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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. Sarah J. Ryan, M.D. · NPI 1326376401
Internal Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since November 30, 2009.
## Identity
- **NPI:** 1326376401 (Entity type: Individual)
- **Enumerated:** November 30, 2009
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 271945 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 234 E 85TH ST, New York, NY 10028-3135
- **Phone:** (212) 241-6585
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Icahn School Of Medicine At Mount Sinai (NPI 1427493113, New York, NY); Nsuh Plainview Physicians Ufp Corporation (NPI 1508750332, New York, NY); Physician Affiliate Group Of New York PC (NPI 1013375526, New York, NY); Harlem Medical Associates PC (NPI 1487957692, New York, NY); Trustees Of Columbia University In The City Of New York (NPI 1477068971, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** March 20, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1326376401) · Data from the CMS NPPES public registry.