Oliver Schoonmaker Thresher, MD
Family Medicine Physician · Newark, DE
Oliver Schoonmaker Thresher, MD is a family medicine physician with a practice address in Newark, Delaware, and NPI 1063504264, issued on Sep 28, 2006. Check the license (Delaware C1-0002783, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Oliver Schoonmaker Thresher
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- C1-0002783 DE
D0033925 MD
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hygeia Dr, Newark, DE 19713
- Phone
- (302) 273-1701
- Enumerated
- Sep 28, 2006
- Record last updated
- Jun 25, 2024
- Fax
- (302) 273-4497
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 518 in Delaware → Look up another NPI →
Also registered at 200 Hygeia Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Valerie Acevedo, P.A.-CPhysician Assistant1932457405
- Sonia Adnan, MDInternal Medicine Physician1790915593
- Eunice Asibey, FNPFamily Nurse Practitioner1912231572
- Mamadou Bah, PAPhysician Assistant1619400157
- Kevin Bailey, PT, MPT, SCS, ATCPhysical Therapist1356372874
- Kathryn Benson, FNP BCFamily Nurse Practitioner1720084213
Verify Oliver Schoonmaker Thresher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C1-0002783Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 80% of the cost of the top drugs
445 Medicare Part D claims for 305 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Amoxicillin58 claims
- Prednisone44 claims
- Mupirocin36 claims
- Doxycycline Hyclate34 claims
- Cephalexin32 claims
- Abrysvo25 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.
Oliver Schoonmaker Thresher among 518 family medicine physician records in Delaware
Oliver Schoonmaker Thresher, MD is one of 518 family medicine physician records with a practice address in Delaware. 80% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 49% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2024 · 53% 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
84 family medicine physician records list a practice address in Newark
They are 84 of the 4,662 NPPES records with a practice address in Newark, and 518 family medicine physician records in Delaware.
All 518 in Delaware → Every provider in Newark → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Robert Callahan, MDNewark, DE 197131962491779
- Alfred Fletcher, MDNewark, DE 197131962489377
- Barbara Hamming, MDNewark, DE 197131871570283
- Elizabeth Jackovic, DONewark, DE 197131982682886
- Brian Janney, D.O.Newark, DE 197131598763724
- Mary Kobak, MDNewark, DE 197131790763696
- Huy Le, D.O.Newark, DE 197131831170703
- Susan Livesay, MDNewark, DE 197131477531390
Common questions
What is Oliver Schoonmaker Thresher, MD's NPI number?
Oliver Schoonmaker Thresher, MD's National Provider Identifier (NPI) is 1063504264, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Oliver Schoonmaker Thresher, MD located?
The NPPES record lists a practice address at 200 Hygeia Dr, Newark, DE, 19713. Phone: (302) 273-1701. Providers update this record themselves, so call before visiting.
How can I verify Oliver Schoonmaker Thresher, MD's license?
NPPES lists Delaware license number C1-0002783, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Oliver Schoonmaker Thresher, MD prescribe under Medicare Part D?
In 2024, Oliver Schoonmaker Thresher, MD had 445 Medicare Part D claims for 305 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.