Dr. Stephen Allan Obstbaum, MD

  • New York, NY
  • Ophthalmologist
NPI1184628604
Medicare services, 2023
1,235
Part D claims, 2024
109
Industry payments
$127
Affiliated sites
1
Medical group
1
Practice address
210 E 64th St Fl 7 Fl 7, New York, NY 10065
Practice phone
Call (212) 838-9200
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

North Shore-lij Medical - Eye Care - New York (E 64th St)

Multi-specialty group site · New York, New York

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Dr. Stephen Allan Obstbaum is an ophthalmologist in New York, New York

Dr. Obstbaum practices at North Shore-lij Medical - Eye Care - New York (E 64th St) in New York, New York.

Dr. Obstbaum's NPI, 1184628604, was assigned on June 13, 2005. Dr. Obstbaum graduated from New York Medical College in 1967. Dr. Obstbaum holds New York license 101642.

NPI and contact details
NPI enumeration date
June 13, 2005
NPI status
Active
Practice phone
(212) 838-9200
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
85
Medical school graduation
1967

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Stephen Allan Obstbaum practices at North Shore-lij Medical - Eye Care - New York (E 64th St) in New York, New York

Dr. Obstbaum's primary practice is North Shore-lij Medical - Eye Care - New York (E 64th St), at 210 E 64th St Fl 7 Fl 7, New York, NY 10065. The practice phone is (212) 838-9200.

  • North Shore-lij Medical - Eye Care - New York (E 64th St)
    210 E 64th St Fl 7 Fl 7, New York, NY 10065Phone(212) 838-9200

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Stephen Allan Obstbaum is affiliated with 1 site of care and 1 medical group

Dr. Obstbaum's primary practice is North Shore-lij Medical - Eye Care - New York (E 64th St) in New York, New York. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck.

North Shore-lij Medical - Eye Care - New York (E 64th St)Multi-specialty group site · New York, New YorkPrimary
Northwell Health Physician Partners Cardiology at Great NeckPrimary care group, Westbury, NY

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. Stephen Allan Obstbaum's practice

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

EHR by site
SiteEHR vendor and product
North Shore-lij Medical - Eye Care - New York (E 64th St)Available with a free account

Source: Dmand AI Technology Install Data

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Dr. Stephen Allan Obstbaum is one of 1,467 ophthalmologists in New York

Ophthalmology is Dr. Obstbaum's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Obstbaum is licensed in New York.

Specialties and state licenses

  • Ophthalmology, New YorkPrimaryLicense 101642 · taxonomy 207W00000X

Ophthalmologists near Dr. Obstbaum

Counts of ophthalmologists 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

Dr. Stephen Allan Obstbaum billed Medicare for 1,235 services in 2023

CMS data shows 1,235 Medicare services from Dr. Obstbaum across 6 procedure codes in 2023. Medicare paid $75,276 for them. Every service was in an office.

Medicare services, 20231,235
Paid by Medicare$75,276
Procedure codes6

Dr. Obstbaum's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Tests and treatments
2022: 2,3732023: 1,23548%
Surgery
2022: 142023: 0100%

Dr. Obstbaum compared with the New York median for ophthalmologists, 2023

  • Dr. Obstbaum
  • New York median
Medicare services
1,235vs 1,258Close to median
Part D claims
71vs 64789% below

Medians across 1,557 ophthalmologists in New York with Dmand AI profiles that report each measure.

Dr. Obstbaum's most billed Medicare procedure codes, 2023

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Stephen Allan Obstbaum's patients have a median age of 68

Across all payers, Dmand AI patient panel data puts Dr. Obstbaum's median patient age at 68, with 70% women.

Dr. Obstbaum's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women70%
  • Men30%

Source: Dmand AI Patient Panel Data

Dr. Stephen Allan Obstbaum wrote 109 Medicare Part D claims in 2024

In 2024, Dr. Obstbaum wrote 109 Medicare Part D claims for 55 patients. 59% of them were for generic drugs. CMS names the drug for 71 of them, across 3 drugs with 11 or more claims each, at $2,890 in total drug cost. In 2023, CMS named 876 claims across 17 drugs.

Part D claims, 2024109
Drugs named by CMS3
Total drug cost$2,890
Part D patients55

Dr. Obstbaum's Part D claims by kind of drug, 2024

  • Generic64 claims59%
  • Brand-name45 claims41%

Dr. Obstbaum'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8762024: 7192%

Drugs named by CMS: 3 in 2024, 17 in 2023.

See all prescribing by Dr. Obstbaum

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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Dr. Stephen Allan Obstbaum received $127 in industry payments in 2022

CMS Open Payments shows 1 general payment to Dr. Obstbaum from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Alcon Research Ltd paid the most, $127.

Companies that paid Dr. Obstbaum the most, 2022 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Obstbaum

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

Dr. Stephen Allan Obstbaum graduated from New York Medical College

Dr. Obstbaum graduated from New York Medical College in 1967.

  1. Medical schoolNew York Medical College

Source: Dmand AI Professional Profile Data

Sources for Dr. Stephen Allan Obstbaum'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 phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Dr. Stephen Allan Obstbaum

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

What is Dr. Stephen Allan Obstbaum's NPI number?

Dr. Stephen Allan Obstbaum's NPI number is 1184628604. It was assigned on June 13, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Stephen Allan Obstbaum?

Dr. Stephen Allan Obstbaum is an ophthalmologist in New York, New York. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Stephen Allan Obstbaum practice?

Dr. Obstbaum practices at 210 E 64th St Fl 7 Fl 7, New York, NY 10065. Dr. Obstbaum's primary practice is North Shore-lij Medical - Eye Care - New York (E 64th St) in New York, New York.

What is Dr. Stephen Allan Obstbaum's office phone number?

The practice phone on file for Dr. Obstbaum is (212) 838-9200.

What is Dr. Stephen Allan Obstbaum's medical license number?

Dr. Obstbaum holds New York license 101642.

What medical group is Dr. Stephen Allan Obstbaum part of?

Dr. Obstbaum is linked to Northwell Health Physician Partners Cardiology at Great Neck.

Does Dr. Stephen Allan Obstbaum accept Medicare?

Yes. CMS data shows Dr. Obstbaum billed Medicare for 1,235 services in 2023.

What services does Dr. Stephen Allan Obstbaum bill to Medicare?

In 2023, Dr. Obstbaum's most billed Medicare services were eye exam or test (92014), eye exam or test (92133) and eye exam or test (92083).

Where did Dr. Stephen Allan Obstbaum go to medical school?

Dr. Obstbaum graduated from New York Medical College in 1967.

What drugs does Dr. Stephen Allan Obstbaum prescribe most?

In 2024 Medicare Part D data, Dr. Obstbaum's most prescribed drugs by claims were Latanoprost, Travoprost and Timolol Maleate.

Has Dr. Stephen Allan Obstbaum received payments from drug or device companies?

CMS Open Payments shows $127 in general payments to Dr. Obstbaum from 1 company from 2022 to 2022. The largest total came from Alcon Research Ltd.

How long has Dr. Stephen Allan Obstbaum been practicing?

Dr. Obstbaum graduated from medical school in 1967, 59 years ago.

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