NPPES file of Aug 9, 2026

William I. Rosenblum, M.D.

Neuropathology Physician · New York, NY

William I. Rosenblum, M.D. is a neuropathology physician with a practice address in New York, New York, and NPI 1659399020, issued on Jul 17, 2006. Check the license (New York 087844-1, 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
1659399020
Name
William I. Rosenblum
Credential
M.D.
Primary taxonomy
Neuropathology Physician 207ZN0500X
License numbers
087844-1 NY
0101020157 VA
Self-reported in NPPES; status is on the state search
Practice location
200 E End Ave, New York, NY 10128
Phone
(212) 996-1772
Enumerated
Jul 17, 2006
Record last updated
Sep 28, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicaid ID
6655319 VA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 200 E End Ave

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

  1. Elizabeth Sarosi, LCSWClinical Social Worker1861629875

Verify William I. Rosenblum 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 087844-1
    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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82% fewer Medicare Part D claims than the average neuropathology physician in 2024

14 Medicare Part D claims, against an average of 77 among the 8 providers of this specialty who prescribed in Part D.

  1. William Rosenblum14
  2. Specialty average77

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.

Neuropathology Physician providers in New York

There are 34 neuropathology physician records in New York.

Other neuropathology physician records in New York

  1. Osama Al Dalahmah, M.D.New York, NY1619323367
  2. Lucia Balos, MDBuffalo, NY1205897642
  3. Clare Bryce, M.D.New York, NY1689834160
  4. Andrew Dwork, M.D.New York, NY1033531488
  5. Steven Erde, PH.D.,M.D.Scarsdale, NY1407901374
  6. Barbara Germin, M.DRochester, NY1295746956
  7. James Goldman, M.D., PH.D.New York, NY1811024169
  8. Gunnar Hargus, M.D., PH.D.New York, NY1144630518
  9. Arthur Hays, M.D.New York, NY1285761528
  10. Reid Heffner, MDBuffalo, NY1750354148

Common questions

What is William I. Rosenblum, M.D.'s NPI number?

William I. Rosenblum, M.D.'s National Provider Identifier (NPI) is 1659399020, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William I. Rosenblum, M.D. located?

The NPPES record lists a practice address at 200 E End Ave, New York, NY, 10128. Phone: (212) 996-1772. Providers update this record themselves, so call before visiting.

How can I verify William I. Rosenblum, M.D.'s license?

NPPES lists New York license number 087844-1, 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 William I. Rosenblum, M.D. prescribe under Medicare Part D?

In 2024, William I. Rosenblum, M.D. had 14 Medicare Part D claims; the average among neuropathology physician prescribers was 77. 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.