Terence Oconnor, M.D.
Internal Medicine Physician · Orchard Park, NY
Terence Oconnor, M.D. is an internal medicine physician with a practice address in Orchard Park, New York, and NPI 1205842184, issued on Jul 31, 2006. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Terence Oconnor
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 3075 Southwestern Blvd, Orchard Park, NY 14127
- Phone
- (716) 712-0490
- Enumerated
- Jul 31, 2006
- Entity
- Type 1 · individual
Also registered at 3075 Southwestern Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Biersbach, RPA CPhysician Assistant1730123696
- James Dimartino, AUDAudiologist1124697131
- Jeffrey Dolgos, DDSGeneral Practice Dentistry1215998794
- Frederick Gass, M.D.Otolaryngology Physician1699726745
- Alexander Mandych, M.D.Otolaryngology Physician1053362103
- Gale Oconnor, M.D.Internal Medicine Physician1750398160
Verify Terence Oconnor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
17% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,307 Medicare Part D claims for 402 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 26 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium237 claims
- Levothyroxine Sodium146 claims
- Atorvastatin Calcium119 claims
- Losartan Potassium90 claims
- Lisinopril89 claims
- Metformin Hcl73 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: $82.78
5 payments, mostly food and beverage; the largest payer was Lilly USA, LLC. The 65,274 providers of this specialty with any payment received $2,536.66 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.
34 internal medicine physician records list a Orchard Park practice address
They are 34 of the 1,404 NPPES records with a Orchard Park practice address, and 13,725 internal medicine physician records in New York.
All 34 in Orchard Park → All 13,725 in New York → Every provider in Orchard Park →
Other internal medicine physician records in New York
- Deborah Aanonsen, D.O.Staten Island, NY1952395717
- Nivedita Aanur, M.D.New York, NY1982833471
- Jay Aaron, MDGreat Neck, NY1245332956
- Justin Aaron, MDNew York, NY1619243912
- Ahmad AbadiPoughkeepsie, NY1780258517
- Jamsheed Abadi, MDBrooklyn, NY1477537496
- Theophine Abakporo, M.D.Brooklyn, NY1972564813
- Antonieta Abarientos, MDNew Rochelle, NY1649285123
- Charles Abate, MDOssining, NY1720180003
- Vyachislav Abayev, M.D.Brooklyn, NY1437394574
Common questions
What is Terence Oconnor, M.D.'s NPI number?
Terence Oconnor, M.D.'s National Provider Identifier (NPI) is 1205842184, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Terence Oconnor, M.D. located?
The NPPES record lists a practice address at 3075 Southwestern Blvd, Orchard Park, NY, 14127. Phone: (716) 712-0490. Providers update this record themselves, so call before visiting.
How can I verify Terence Oconnor, M.D.'s license?
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 Terence Oconnor, M.D. prescribe under Medicare Part D?
In 2024, Terence Oconnor, M.D. had 2,307 Medicare Part D claims for 402 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.