NPPES file of Aug 9, 2026

Robert W. O'Leary, M.D.

Anesthesiology Physician · Hauppauge, NY

Robert W. O'Leary, M.D. is an anesthesiology physician with a practice address in Hauppauge, New York, and NPI 1093801474, issued on Oct 5, 2006. Check the license (New York 190926, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093801474
Name
Robert W. O'Leary
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
190926 NY
Self-reported in NPPES; status is on the state search
Practice location
125 Kennedy Dr Ste 300, Hauppauge, NY 11788
Phone
(934) 223-4500
Enumerated
Oct 5, 2006
Record last updated
Dec 11, 2024
Medicaid ID
01816751 NY
Medicare enrollment
Enrolled (PECOS I20091223000049); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 1991
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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Also registered at 125 Kennedy Dr Ste 300

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

  1. Andrew Bogart, MDAnesthesiology Physician1497009849
  2. Michael Khalili, MDAnesthesiology Physician1376920546

Verify Robert W. O'Leary 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 190926
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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10.3 times the Medicare Part D claims of the average anesthesiology physician in 2024

4,142 Medicare Part D claims for 241 beneficiaries, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 2,254 claims were for opioids.

  1. Robert O'Leary4,142
  2. Specialty average402

Most prescribed

  1. Oxycodone Hcl581 claims
  2. Oxycodone-Acetaminophen571 claims
  3. Gabapentin478 claims
  4. Morphine Sulfate Er356 claims
  5. Hydrocodone-Acetaminophen309 claims
  6. Tizanidine Hcl308 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.

The MIPS final score for 2023 (Medicare payment program): 0 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Office Based Anesthesia LLCGarden City, NY
  2. Suffolk Anesthesiology Associates PCSmithtown, NY

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

Robert W. O'Leary among 5,062 anesthesiology physician records in New York

Robert W. O'Leary, M.D. is one of 5,062 anesthesiology physician records with a practice address in New York. 77% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 52% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1991 · median 2006 among the 3,612 with a school on file
  • Record last updated2024 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in New York

There are 5,062 anesthesiology physician records in New York.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Andrew Bogart, MDHauppauge, NY 117881497009849
  2. Michael Khalili, MDHauppauge, NY 117881376920546
  3. Jasmine Bhatia, MDSmithtown, NY 117871619282795
  4. Anthony Bonanno, M.D.Smithtown, NY 117871174615751
  5. Salvatore Buffa, M.D.Smithtown, NY 117871083706667
  6. Linda Chernoff, M.D.Smithtown, NY 117871578655155
  7. Vineet Gambhir, MDSmithtown, NY 117871003906264
  8. Yaseen Karim, M.D.Smithtown, NY 117871265895783

Common questions

What is Robert W. O'Leary, M.D.'s NPI number?

Robert W. O'Leary, M.D.'s National Provider Identifier (NPI) is 1093801474, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert W. O'Leary, M.D. located?

The NPPES record lists a practice address at 125 Kennedy Dr Ste 300, Hauppauge, NY, 11788. Phone: (934) 223-4500. Providers update this record themselves, so call before visiting.

How can I verify Robert W. O'Leary, M.D.'s license?

NPPES lists New York license number 190926, 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 W. O'Leary, M.D. prescribe under Medicare Part D?

In 2024, Robert W. O'Leary, M.D. had 4,142 Medicare Part D claims for 241 beneficiaries; the average among anesthesiology physician prescribers was 402. Part D covers Medicare prescriptions only.

What is Robert W. O'Leary, M.D.'s MIPS final score?

The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.