Robert I. Sassoon

  • New York, NY
  • OB-GYN
NPI1942364583
Part D claims, 2024
919
Publications
1
Industry payments
$2,096
State license
1
Year NPI issued
2006
Practice address
622 W 168th St, New York, NY 10032
Practice phone
Call (212) 305-4920
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Columbia University Irving Medical Center

New York, New York

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Robert I. Sassoon is an OB-GYN in New York, New York

Robert Sassoon practices at Columbia University Irving Medical Center in New York, New York.

Robert Sassoon's NPI, 1942364583, was assigned on December 20, 2006. Robert Sassoon holds New York license 152571-1.

NPI and contact details
NPI enumeration date
December 20, 2006
NPI status
Active
Practice phone
(212) 305-4920
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Robert I. Sassoon practices at Columbia University Irving Medical Center in New York, New York

Robert Sassoon's primary practice is Columbia University Irving Medical Center, at 622 W 168th St, New York, NY 10032 in New York County. The practice phone is (212) 305-4920.

  • Columbia University Irving Medical Center
    622 W 168th St, New York, NY 10032 · New York CountyPhone(212) 305-4920

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Robert I. Sassoon is affiliated with 1 site of care

Robert Sassoon's primary practice is Columbia University Irving Medical Center in New York, New York.

Columbia University Irving Medical CenterNew York, New YorkPrimary

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Robert I. Sassoon's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Robert Sassoon practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Columbia University Irving Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Robert I. Sassoon is one of 2,664 OB-GYNs in New York

Obstetrics and gynecology is Robert Sassoon's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Robert Sassoon is licensed in New York.

Specialties and state licenses

  • Obstetrics and gynecology, New YorkPrimaryLicense 152571-1 · taxonomy 207V00000X

OB-GYNs near Robert Sassoon

Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Robert I. Sassoon's patients have a median age of 61

Across all payers, Dmand AI patient panel data puts Robert Sassoon's median patient age at 61, with 96% women.

Robert Sassoon's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women96%
  • Men1%

Source: Dmand AI Patient Panel Data

Robert I. Sassoon wrote 919 Medicare Part D claims in 2024

In 2024, Robert Sassoon wrote 919 Medicare Part D claims for 260 patients. 78% of them were for generic drugs. CMS names the drug for 824 of them, across 16 drugs with 11 or more claims each, at $135,596 in total drug cost. In 2023, CMS named 616 claims across 16 drugs.

Part D claims, 2024919
Drugs named by CMS16
Total drug cost$135,596
Part D patients260

Robert Sassoon's Part D claims by kind of drug, 2024

  • Generic720 claims78%
  • Brand-name199 claims22%

Robert Sassoon's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Robert Sassoon's Part D claims, 2024

  • Antibiotics3%32 of 919 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 6162024: 82434%

Drugs named by CMS: 16 in 2024, 16 in 2023.

See all prescribing by Robert Sassoon

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Robert I. Sassoon has 1 publication on record

Dmand AI links 1 paper to Robert Sassoon in 2016. Robert Sassoon's most frequent co-author is Nathan S. Fox, MD.

Papers1

Robert Sassoon's most frequent co-authors

Recent publications by Robert Sassoon

See all 1 publications and co-authors

See who Robert Sassoon researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Robert Sassoon works with, so you can find a warm path to the right OB-GYNs.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Robert I. Sassoon received $2,096 in industry payments from 2017 to 2025

CMS Open Payments shows 20 general payments to Robert Sassoon from 10 drug and device companies from 2017 to 2025. Speaker and faculty fees make up the largest share, 72% of the total. Celularity, Inc. paid the most, $1,500.

General payments to Robert Sassoon by program year, 2017 to 2025

General payments to Robert Sassoon by kind, 2017 to 2025

$2.1Kin total
  • Speaker and faculty fees$1,50072%
  • Food and beverage$51925%
  • Education$784%

Companies that paid Robert Sassoon the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Robert Sassoon

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Robert I. Sassoon's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Robert I. Sassoon

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Robert I. Sassoon's NPI number?

Robert I. Sassoon's NPI number is 1942364583. It was assigned on December 20, 2006, and it is active in the NPI Registry.

What does Robert I. Sassoon specialize in?

Robert I. Sassoon is an OB-GYN in New York, New York. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Robert I. Sassoon practice?

Robert Sassoon practices at 622 W 168th St, New York, NY 10032. Robert Sassoon's primary practice is Columbia University Irving Medical Center in New York, New York.

What is Robert I. Sassoon's office phone number?

The practice phone on file for Robert Sassoon is (212) 305-4920.

What is Robert I. Sassoon's medical license number?

Robert Sassoon holds New York license 152571-1.

What drugs does Robert I. Sassoon prescribe most?

In 2024 Medicare Part D data, Robert Sassoon's most prescribed drugs by claims were Estradiol, Yuvafem and Progesterone.

Has Robert I. Sassoon received payments from drug or device companies?

CMS Open Payments shows $2,096 in general payments to Robert Sassoon from 10 companies from 2017 to 2025. The largest total came from Celularity, Inc.

How long has Robert I. Sassoon been practicing?

Robert Sassoon's NPI was assigned in 2006.

Does Robert I. Sassoon do research?

Dmand AI links 1 publication to Robert Sassoon.

Who does Robert I. Sassoon publish with?

Robert Sassoon's most frequent co-authors are Nathan S. Fox, MD (1 shared paper).

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