NPPES file of Aug 9, 2026

Christopher E. Walsh, MD

Hematology & Oncology Physician · New York, NY

Christopher E. Walsh, MD is a hematology & oncology physician with a practice address in New York, New York, and NPI 1588694095, issued on Jul 3, 2006. Check the license (New York 226631, 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
1588694095
Name
Christopher E. Walsh
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
226631 NY
Self-reported in NPPES; status is on the state search
Practice location
1190 5TH Avenue, New York, NY 10029
Phone
(212) 241-6756
Enumerated
Jul 3, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(212) 423-0522
Medicare enrollment
Enrolled (PECOS I20040416001344); 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 1190 5TH Avenue

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

  1. Krzysztof Misiukiewicz, MDMedical Oncology Physician1427102490

Verify Christopher E. Walsh 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 226631
    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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Industry payments in 2024: $89,623.69

53 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Walsh$89,624
  2. Specialty average$7,481

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Icahn School OF Medicine AT Mount SinaiNew York, NY

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

Christopher E. Walsh among 1,163 hematology & oncology physician records in New York

Christopher E. Walsh, MD is one of 1,163 hematology & oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 53% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1986 · median 2002 among the 833 with a school on file
  • Record last updated2007 · 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 207RH0003X 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 & Oncology Physician providers in New York

There are 1,163 hematology & oncology physician records in New York.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Amit Agarwal, M.D.New York, NY 100291275790826
  2. Theodora Anagnostou, M.D.New York, NY 100291780026567
  3. Philippe Chahinian, MDNew York, NY 100291083632871
  4. Ajai Chari, M.D.New York, NY 100291376560136
  5. Janice Gabrilove, MDNew York, NY 100291114945946
  6. Ronald Hoffman, M.D.New York, NY 100291467558932
  7. Johnson Liu, MDNew York, NY 100291861552903
  8. John Mascarenhas, MDNew York, NY 100291376719104

Common questions

What is Christopher E. Walsh, MD's NPI number?

Christopher E. Walsh, MD's National Provider Identifier (NPI) is 1588694095, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher E. Walsh, MD located?

The NPPES record lists a practice address at 1190 5TH Avenue, New York, NY, 10029. Phone: (212) 241-6756. Providers update this record themselves, so call before visiting.

How can I verify Christopher E. Walsh, MD's license?

NPPES lists New York license number 226631, 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.

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.