Oscar De Leon, MD
Anesthesiology Physician · Buffalo, NY
Oscar De Leon, MD is an anesthesiology physician with a practice address in Buffalo, New York, and NPI 1467458851, issued on Jun 22, 2005. Check the license (New York 181407, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Oscar De Leon
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 181407 NY
Self-reported in NPPES; status is on the state search - Practice location
- Elm And Carlton St, Buffalo, NY 14263
- Phone
- (716) 845-2300
- Enumerated
- Jun 22, 2005
- Record last updated
- Jan 23, 2025
- Fax
- (716) 845-8518
- Medicaid ID
- 01436277 NY
- Medicare enrollment
- Enrolled (PECOS I20100506000764); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 5,062 in New York → Look up another NPI →
Also registered at Elm And Carlton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anuja AbhyankarMedical Oncology Physician1679181424
- Sara Abou Azar, M.D.Surgery Physician1689103541
- Tina Agostinelli, PAPhysician Assistant1528621885
- Eric Ahn, MDGastroenterology Physician1134528912
- Christine Aiduk, NPObstetrics & Gynecology Nurse Practitioner1255314555
Verify Oscar De Leon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 181407Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average anesthesiology physician in 2024
894 Medicare Part D claims for 187 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. 315 claims were for opioids.
Most prescribed
- Gabapentin171 claims
- Duloxetine Hcl130 claims
- Oxycodone Hcl112 claims
- Methadone Hcl101 claims
- Lidocaine65 claims
- Baclofen57 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: $1,590.00
1 payment: honoraria; the largest payer was Grt US Holding, Inc. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Roswell Park Cancer InstituteBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Oscar De Leon among 5,062 anesthesiology physician records in New York
Oscar De Leon, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1982 · median 2006 among the 3,612 with a school on file
- Record last updated2025 · 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).
167 anesthesiology physician records list a practice address in Buffalo
They are 167 of the 13,287 NPPES records with a practice address in Buffalo, and 5,062 anesthesiology physician records in New York.
All 5,062 in New York → Every provider in Buffalo → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Frederick Burrows, MDBuffalo, NY 142631063462141
- Victor Filadora, MDBuffalo, NY 142631801877451
- Jon Grande, M.D.Buffalo, NY 142631679596332
- James Hitt, MD PHDBuffalo, NY 142631588812762
- Kathleen Lee, MDBuffalo, NY 142631851568281
- Elizabeth Mahoney, MDBuffalo, NY 142631316140296
- Elizabeth McClintick, MDBuffalo, NY 142631407847544
- Timothy Quinn, MDBuffalo, NY 142631609037597
Common questions
What is Oscar De Leon, MD's NPI number?
Oscar De Leon, MD's National Provider Identifier (NPI) is 1467458851, issued on Jun 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Oscar De Leon, MD located?
The NPPES record lists a practice address at Elm And Carlton St, Buffalo, NY, 14263. Phone: (716) 845-2300. Providers update this record themselves, so call before visiting.
How can I verify Oscar De Leon, MD's license?
NPPES lists New York license number 181407, 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 Oscar De Leon, MD prescribe under Medicare Part D?
In 2024, Oscar De Leon, MD had 894 Medicare Part D claims for 187 beneficiaries; the average among anesthesiology physician prescribers was 402. 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.