David Tung Ouyang, M.D.
Family Medicine Physician · Cortland, NY
David Tung Ouyang, M.D. is a family medicine physician with a practice address in Cortland, New York, and NPI 1417937780, issued on Jan 20, 2006. Check the license (New York 199497, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- David Tung Ouyang
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 199497 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4038 West RD, Cortland, NY 13045
- Phone
- (607) 758-3008
- Enumerated
- Jan 20, 2006
- Record last updated
- Apr 2, 2024
- Fax
- (607) 758-3019
- Medicaid IDs
- 00533275 NY
30204814 NH
03401741 NY - Medicare enrollment
- Enrolled (PECOS I20110125000078); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,417 in New York → Look up another NPI →
Also registered at 4038 West RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maya Aponte, M.DFamily Medicine Physician1770521973
- Caitlin Atwater, NPFamily Nurse Practitioner1043058753
- Brenda Connolly, D.O.Adult Medicine Physician1962597310
- Nancy Dickerson, LCSWClinical Social Worker1801010038
- Anna Dill, M.D.Internal Medicine Physician1790198687
- Samantha Dinse, NPAdult Health Nurse Practitioner1306312145
Verify David Tung Ouyang 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 199497Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average family medicine physician in 2024
12,482 Medicare Part D claims for 713 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 204 claims were for opioids.
Most prescribed
- Eliquis644 claims
- Levothyroxine Sodium448 claims
- Atorvastatin Calcium417 claims
- Furosemide383 claims
- Gabapentin337 claims
- Pantoprazole Sodium321 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.
Bills Medicare through 3 group practices
- Mikram Jafri MD PCWaterville, NY
- St Josephs Medical PCRome, NY
- Zaki Badawy, MD PCCicero, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Tung Ouyang among 6,417 family medicine physician records in New York
David Tung Ouyang, M.D. is one of 6,417 family medicine physician records with a practice address in New York. 81% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 58% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1993 · median 2007 among the 4,188 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 family medicine physician records list a practice address in Cortland
They are 26 of the 751 NPPES records with a practice address in Cortland, and 6,417 family medicine physician records in New York.
All 6,417 in New York → Every provider in Cortland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Maya Aponte, M.DCortland, NY 130451770521973
- Nicholas Biondi, DOCortland, NY 130451922082379
- Robert Castellanos, M.D.Cortland, NY 130451194831610
- Lynn Cunningham, MDCortland, NY 130451023092160
- Anthony Di Giovanna, MDCortland, NY 130451477537595
- Charlotte Hawkins, MDCortland, NY 130451790856029
- Rosemarie Hurley, MDCortland, NY 130451912995978
- Cindy Johnson, MDCortland, NY 130451811971245
Common questions
What is David Tung Ouyang, M.D.'s NPI number?
David Tung Ouyang, M.D.'s National Provider Identifier (NPI) is 1417937780, issued on Jan 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Tung Ouyang, M.D. located?
The NPPES record lists a practice address at 4038 West RD, Cortland, NY, 13045. Phone: (607) 758-3008. Providers update this record themselves, so call before visiting.
How can I verify David Tung Ouyang, M.D.'s license?
NPPES lists New York license number 199497, 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 David Tung Ouyang, M.D. prescribe under Medicare Part D?
In 2024, David Tung Ouyang, M.D. had 12,482 Medicare Part D claims for 713 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.