NPPES file of Aug 9, 2026

Leon S. Rutkowski, MD

Gynecology Physician · Mahwah, NJ

Leon S. Rutkowski, MD is a gynecology physician with a practice address in Mahwah, New Jersey, and NPI 1184895963, issued on Mar 19, 2008. Check the license (New Jersey MA01947500, 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
1184895963
Name
Leon S. Rutkowski
Credential
MD
Primary taxonomy
Gynecology Physician 207VG0400X
License number
MA01947500 NJ
Self-reported in NPPES; status is on the state search
Practice location
31 Cortland Trl, Mahwah, NJ 07430
Phone
(201) 529-3050
Enumerated
Mar 19, 2008
Record last updated
May 6, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(201) 529-0201
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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Verify Leon S. Rutkowski 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 MA01947500
    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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52% fewer Medicare Part D claims than the average gynecology physician in 2024

144 Medicare Part D claims, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D.

  1. Leon Rutkowski144
  2. Specialty average299

Most prescribed

  1. Premarin15 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.

Leon S. Rutkowski among 140 gynecology physician records in New Jersey

Leon S. Rutkowski, MD is one of 140 gynecology physician records with a practice address in New Jersey. 64% 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 81% of them.

  • NPI issued2008 · 81% of these records are older, 13% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · 37% of these records are
  • Record last updated2019 · 72% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gynecology Physician providers in New Jersey

There are 140 gynecology physician records in New Jersey.

The 8 gynecology physician records with the nearest ZIP codes

  1. Sana Obaid, MDWoodland Park, NJ 074241619106671
  2. Howard Jones, M.D.Ramsey, NJ 074461598914152
  3. Martin Hochberg, MDRidgewood, NJ 074501821078650
  4. Cynthia Sagullo, MDFair Lawn, NJ 074101710944194
  5. Tuti Sheiban, MDRidgewood, NJ 074501245291285
  6. Monica Meyer, M.D.Saddle River, NJ 074581285638825
  7. Joseph Gartner, MDWyckoff, NJ 074811861455644
  8. Maylin Tjoa, MDWyckoff, NJ 074811487617221

Common questions

What is Leon S. Rutkowski, MD's NPI number?

Leon S. Rutkowski, MD's National Provider Identifier (NPI) is 1184895963, issued on Mar 19, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Leon S. Rutkowski, MD located?

The NPPES record lists a practice address at 31 Cortland Trl, Mahwah, NJ, 07430. Phone: (201) 529-3050. Providers update this record themselves, so call before visiting.

How can I verify Leon S. Rutkowski, MD's license?

NPPES lists New Jersey license number MA01947500, 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 Leon S. Rutkowski, MD prescribe under Medicare Part D?

In 2024, Leon S. Rutkowski, MD had 144 Medicare Part D claims; the average among gynecology physician prescribers was 299. 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.