Katherine Inhye Pieri, MD
Internal Medicine Physician · New York, NY
Katherine Inhye Pieri, MD is an internal medicine physician with a practice address in New York, New York, and NPI 1982281549, issued on Mar 28, 2021. Check the license (New York 332894, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Katherine Inhye Pieri
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 332894 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 E 77TH Street, New York, NY 10075
- Phone
- (212) 434-2142
- Enumerated
- Mar 28, 2021
- Record last updated
- Mar 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20250106000843); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 100 E 77TH Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Inhye Pieri in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 332894Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
35 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- North Shore-Lij Medical PCNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Inhye Pieri among 12,067 internal medicine physician records in New York
Katherine Inhye Pieri, MD is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2019 · median 2002 among the 7,221 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
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Common questions
What is Katherine Inhye Pieri, MD's NPI number?
Katherine Inhye Pieri, MD's National Provider Identifier (NPI) is 1982281549, issued on Mar 28, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Inhye Pieri, MD located?
The NPPES record lists a practice address at 100 E 77TH Street, New York, NY, 10075. Phone: (212) 434-2142. Providers update this record themselves, so call before visiting.
How can I verify Katherine Inhye Pieri, MD's license?
NPPES lists New York license number 332894, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Inhye Pieri, MD prescribe under Medicare Part D?
In 2024, Katherine Inhye Pieri, MD had 35 Medicare Part D claims for 14 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.