NPPES file of Aug 9, 2026

Michael Ian Rotkowitz, M.D.

Hematology & Oncology Physician · Sewell, NJ

Michael Ian Rotkowitz, M.D. is a hematology & oncology physician with a practice address in Sewell, New Jersey, and NPI 1649436973, issued on Aug 6, 2008. Check the license (New Jersey 25MA09480900, as entered in NPPES) on the New Jersey State Board of Medical Examiners; 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
1649436973
Name
Michael Ian Rotkowitz
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
25MA09480900 NJ
MD442824 PA
Self-reported in NPPES; status is on the state search
Practice location
900 Medical Center Dr Ste 200, Sewell, NJ 08080
Phone
(856) 557-7900
Enumerated
Aug 6, 2008
Record last updated
Aug 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20151102000504); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest hematology & oncology physician records → All 399 in New Jersey → Look up another NPI →

Also registered at 900 Medical Center Dr Ste 200

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

  1. Parminder Bath SohalFamily Nurse Practitioner1043593999
  2. Yvonne Dansoa, D.O.Hematology & Oncology Physician1235405499
  3. Andres Ferber, M.D.Hematology & Oncology Physician1841213048
  4. Gloria Jackson, CRNPNurse Practitioner1013035294
  5. Courtney McAnally, CRNPFamily Nurse Practitioner1164283057
  6. Margaret O'NeillNurse Practitioner1164250064

Verify Michael Ian Rotkowitz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA09480900    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 Jersey license search

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23% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

671 Medicare Part D claims for 137 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims. 48 claims were for opioids.

  1. Michael Rotkowitz671
  2. Specialty average877

Most prescribed

  1. Eliquis140 claims
  2. Prochlorperazine Maleate50 claims
  3. Ondansetron Hcl43 claims
  4. Hydroxyurea40 claims
  5. Anastrozole39 claims
  6. Xarelto30 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.

Industry payments in 2024: $3,867.13

22 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Michael Rotkowitz$3,867.13
  2. Specialty average$7,481.41

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. Kennedy Medical Group Practice, P.C.Sewell, NJ

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

Michael Ian Rotkowitz among 399 hematology & oncology physician records in New Jersey

Michael Ian Rotkowitz, M.D. is one of 399 hematology & oncology physician records with a practice address in New Jersey. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 57% of them.

  • NPI issued2008 · 57% of these records are older, 37% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2006 · median 2002 among the 294 with a school on file
  • Record last updated2021 · 59% 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 Jersey 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 Jersey

There are 399 hematology & oncology physician records in New Jersey.

All 399 in New Jersey → Every provider in Sewell → Hematology & Oncology Physician nationwide →

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

  1. Yvonne Dansoa, D.O.Sewell, NJ 080801235405499
  2. Andres Ferber, M.D.Sewell, NJ 080801841213048
  3. Erev Tubb, M.D.Mullica Hill, NJ 080621154429892
  4. Michael Entmacher, MDMt Holly, NJ 080601053346304
  5. Eduardo Fernandez, MDWestampton, NJ 080601174589493
  6. Alan Penziner, MDWestampton, NJ 080601033175351
  7. Alan Weinstein, MDMount Holly, NJ 080601528093879
  8. Farah Ashraf, DOMoorestown, NJ 080571457858029

Common questions

What is Michael Ian Rotkowitz, M.D.'s NPI number?

Michael Ian Rotkowitz, M.D.'s National Provider Identifier (NPI) is 1649436973, issued on Aug 6, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Michael Ian Rotkowitz, M.D. located?

The NPPES record lists a practice address at 900 Medical Center Dr Ste 200, Sewell, NJ, 08080. Phone: (856) 557-7900. Providers update this record themselves, so call before visiting.

How can I verify Michael Ian Rotkowitz, M.D.'s license?

NPPES lists New Jersey license number 25MA09480900, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael Ian Rotkowitz, M.D. prescribe under Medicare Part D?

In 2024, Michael Ian Rotkowitz, M.D. had 671 Medicare Part D claims for 137 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.