NPPES file of Aug 9, 2026

Dimitrios Papaioannou, MD

Hematology (Internal Medicine) Physician · New York, NY

Dimitrios Papaioannou, MD is a hematology (internal medicine) physician with a practice address in New York, New York, and NPI 1083119747, issued on Mar 26, 2018. Check the license (New York 313893, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083119747
Name
Dimitrios Papaioannou
Credential
MD
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License number
313893 NY
Self-reported in NPPES; status is on the state search
Practice location
240 E 38TH St FL 19, New York, NY 10016
Phone
(646) 501-7811
Enumerated
Mar 26, 2018
Record last updated
Sep 11, 2024
Fax
(212) 731-5540
Medicare enrollment
Enrolled (PECOS I20241015000371); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 240 E 38TH St FL 19

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mohammad Maher Abdul Hay, MDHematology & Oncology Physician1447494729
  2. David Araten, M.D.Hematology & Oncology Physician1649271420
  3. Gabrielle Barshay, AGPCNP-BCAdult Health Nurse Practitioner1356095756
  4. Julia Buchheit, NPAdult Health Nurse Practitioner1912585464
  5. Andrew Chi, M.D.Neurology Physician1124050661
  6. Andy Chu, RDRegistered Dietitian1063055101

Verify Dimitrios Papaioannou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 313893
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

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91% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024

46 Medicare Part D claims, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.

  1. Dimitrios Papaioannou46
  2. Specialty average496

Most prescribed

  1. Calquence11 claims

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

  1. New York UniversityNew York, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Dimitrios Papaioannou among 161 hematology (internal medicine) physician records in New York

Dimitrios Papaioannou, MD is one of 161 hematology (internal medicine) physician records with a practice address in New York. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 89% of them.

  • NPI issued2018 · 89% of these records are older, 9% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2007 · median 2001 among the 92 with a school on file
  • Record last updated2024 · 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 207RH0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology (Internal Medicine) Physician providers in New York

There are 161 hematology (internal medicine) physician records in New York.

The 8 hematology (internal medicine) physician records with the nearest ZIP codes

  1. Benedetto Bruno, MDNew York, NY 100161679191860
  2. Jeffrey Buckner, MDNew York, NY 100161104840495
  3. Faith Davies, MDNew York, NY 100161487053484
  4. Jonathan GerberNew York, NY 100161275679201
  5. Maryann KwaNew York, NY 100161437393592
  6. Andrea Popescu-Martinez, MDNew York, NY 100161689741167
  7. Lauren Botero, MDNew York, NY 100191003376567
  8. Lawrence Cytryn, MDNew York, NY 100191386734275

Common questions

What is Dimitrios Papaioannou, MD's NPI number?

Dimitrios Papaioannou, MD's National Provider Identifier (NPI) is 1083119747, issued on Mar 26, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Dimitrios Papaioannou, MD located?

The NPPES record lists a practice address at 240 E 38TH St FL 19, New York, NY, 10016. Phone: (646) 501-7811. Providers update this record themselves, so call before visiting.

How can I verify Dimitrios Papaioannou, MD's license?

NPPES lists New York license number 313893, 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 Dimitrios Papaioannou, MD prescribe under Medicare Part D?

In 2024, Dimitrios Papaioannou, MD had 46 Medicare Part D claims; the average among hematology (internal medicine) physician prescribers was 496. 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.