NPPES file of Aug 9, 2026

Robert I. Sassoon

Obstetrics & Gynecology Physician · New York, NY

Robert I. Sassoon is an obstetrics & gynecology physician with a practice address in New York, New York, and NPI 1942364583, issued on Dec 20, 2006. Check the license (New York 152571-1, 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
1942364583
Name
Robert I. Sassoon
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
152571-1 NY
Self-reported in NPPES; status is on the state search
Practice location
449 E 68TH St, New York, NY 10021
Phone
(212) 628-1500
Enumerated
Dec 20, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(212) 327-1311
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 449 E 68TH St

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

  1. Sharon Hird, M.D.Addiction Psychiatry Physician1780756841
  2. William Schley, M.D.Specialist1376587857

Verify Robert I. Sassoon 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 152571-1
    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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5.6 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024

919 Medicare Part D claims for 260 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Robert Sassoon919
  2. Specialty average165

Most prescribed

  1. Estradiol315 claims
  2. Yuvafem128 claims
  3. Progesterone68 claims
  4. Premarin67 claims
  5. Estring49 claims
  6. Valacyclovir34 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: $77.70

3 payments; by number, the most common kind was education; the largest payer was Applied Medical Resources Corporation. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Sassoon$77.70
  2. Specialty average$1,030.61

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

Robert I. Sassoon among 3,174 obstetrics & gynecology physician records in New York

Robert I. Sassoon is one of 3,174 obstetrics & gynecology physician records with a practice address in New York. 76% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 49% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2007 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in New York

There are 3,174 obstetrics & gynecology physician records in New York.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Nargess Ahgharian, MDNew York, NY 100211447230206
  2. Anne Carlon, M.D.New York, NY 100211609817758
  3. Maiquel Carrasco, M.D.New York, NY 100211033186291
  4. Youyin Choy, M.D.,New York, NY 100211891738589
  5. Nathan Fox, M.D.New York, NY 100211225050941
  6. Amos Grunebaum, MDNew York, NY 100211841243730
  7. Claudia Holland, MDNew York, NY 100211457326175
  8. Wenhui Jin, MDNew York, NY 100211881640530

Common questions

What is Robert I. Sassoon's NPI number?

Robert I. Sassoon's National Provider Identifier (NPI) is 1942364583, issued on Dec 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert I. Sassoon located?

The NPPES record lists a practice address at 449 E 68TH St, New York, NY, 10021. Phone: (212) 628-1500. Providers update this record themselves, so call before visiting.

How can I verify Robert I. Sassoon's license?

NPPES lists New York license number 152571-1, 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 Robert I. Sassoon prescribe under Medicare Part D?

In 2024, Robert I. Sassoon had 919 Medicare Part D claims for 260 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.