DR. KATHERINE INHYE PIERI MD
NPI 1982281549
Internal Medicine in New York, NY
About Dr. Katherine Inhye Pieri Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATHERINE INHYE PIERI MD (NPI 1982281549) is an individual internal medicine provider in New York, New York, licensed in New York (332894) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses
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. Katherine Inhye Pieri 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 Katherine Pieri reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 5,251 clinicians in this Medicare group
New York, NY 10011
- Reassigned Medicare billing, New York enrollment
- 309 clinicians in this Medicare group
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Montefiore Medical Center
Acute Care Hospitals · Bronx, NYLenox Hill Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10075 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10075
NEW YORK, NY 10075
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 Katherine Pieri's NPI number?
The NPI number for Katherine Pieri is 1982281549. It was assigned to this individual provider in the NPPES registry on March 28, 2021.
Where is Katherine Pieri located?
Katherine Pieri practices at 100 E 77th Street, New York, NY 10075. The listed phone number is (212) 434-2142.
What is Katherine Pieri's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Katherine Pieri enrolled in Medicare?
Yes. Katherine Pieri 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 Katherine Pieri's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Pieri reassigns Medicare benefits to 3 organizations: Montefiore Medical Center (New York, NY), Icahn School Of Medicine At Mount Sinai (New York, NY) and North Shore - Lij Medical PC (New Hyde Park, 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 Katherine Pieri's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Katherine Pieri affiliated with any hospitals?
According to CMS data, Katherine Pieri is affiliated with Montefiore Medical Center and Lenox Hill Hospital.
When was this NPI record last updated?
The NPPES record for Katherine Pieri was last updated on March 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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. Katherine Inhye Pieri, MD · NPI 1982281549
Internal Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since March 28, 2021.
## Identity
- **NPI:** 1982281549 (Entity type: Individual)
- **Enumerated:** March 28, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 332894 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 E 77TH STREET, New York, NY 10075
- **Phone:** (212) 434-2142
## 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): Montefiore Medical Center (NPI 1760288278, New York, NY); Icahn School Of Medicine At Mount Sinai (NPI 1568841930, New York, NY); North Shore - Lij Medical PC (NPI 1790043479, New Hyde Park, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** March 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1982281549) · Data from the CMS NPPES public registry.