DR. JOHN STEVEN HARRINGTON M.D.
NPI 1093081911
Internal Medicine in New York, NY
About Dr. John Steven Harrington M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN STEVEN HARRINGTON M.D. (NPI 1093081911) is an individual internal medicine provider in New York, New York, licensed in New York (293800) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS, is affiliated with St Peter's Hospital, and is a graduate of State University Of Ny Upstate Medical University (2012).
NPPES Registry Identity
Specialties & Licenses 3
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. John Steven Harrington 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 John Harrington 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 10021
- Reassigned Medicare billing, New York enrollment
- 80 clinicians in this Medicare group
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 135 clinicians in this Medicare group
Bronxville, NY 10708
- Reassigned Medicare billing, New York enrollment
- 531 clinicians in this Medicare group
Schenectady, NY 12308
- Reassigned Medicare billing, New York enrollment
- 462 clinicians in this Medicare group
Schenectady, NY 12308
- Reassigned Medicare billing, New York enrollment
- 105 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 4
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Peter's Hospital
Acute Care Hospitals · Albany, NYNew York-Presbyterian Hospital
Acute Care Hospitals · New York, NYEllis Hospital
Acute Care Hospitals · Schenectady, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10021 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10021
NEW YORK, NY 10021
NEW YORK, NY 10021
NEW YORK, NY 10021
NEW YORK, NY 10021
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 John Harrington's NPI number?
The NPI number for John Harrington is 1093081911. It was assigned to this individual provider in the NPPES registry on March 25, 2012.
Where is John Harrington located?
John Harrington practices at 1305 York Avenue, New York, NY 10021. The listed phone number is (410) 955-7911.
What is John Harrington's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is John Harrington enrolled in Medicare?
Yes. John Harrington 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 John Harrington's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Harrington reassigns Medicare benefits to 5 organizations: Weill Medical College Of Cornell (New York, NY), New York Gracie Square Hospital Inc (New York, NY), Lawrence Medical Associates, PC (Bronxville, NY), Ellis Hospital (Schenectady, NY) and Sunnyview Hospital And Rehabilitation Center (Schenectady, 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 John Harrington's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Harrington affiliated with any hospitals?
According to CMS data, John Harrington is affiliated with St Peter's Hospital, New York-Presbyterian Hospital and Ellis Hospital.
When was this NPI record last updated?
The NPPES record for John Harrington was last updated on February 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.