Stephen Zachary Peeke, M.D.
Medical Oncology Physician · Milford, DE
Stephen Zachary Peeke, M.D. is a medical oncology physician with a practice address in Milford, Delaware, and NPI 1013350297, issued on Apr 8, 2013. Check the license (Delaware C1-0028532, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Stephen Zachary Peeke
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- C1-0028532 DE
Self-reported in NPPES; status is on the state search - Practice location
- 100 Wellness Way, Milford, DE 19963
- Phone
- (302) 430-5072
- Enumerated
- Apr 8, 2013
- Record last updated
- Feb 17, 2026
- Fax
- (302) 430-5071
- Medicare enrollment
- Enrolled (PECOS I20251117001955); may accept Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 2013
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 17 in Delaware → Look up another NPI →
Also registered at 100 Wellness Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Argo, PAPhysician Assistant1548154594
- Mohammad Arsalan, M.DHospitalist Physician1063965630
- Emmanuel AsarePharmacist1255113320
- Immad Attique, MDInternal Medicine Physician1780246728
- Anupam Baral, MDInternal Medicine Physician1679102123
- Andrea Bishop, PA-CPhysician Assistant1861048274
Verify Stephen Zachary Peeke 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 C1-0028532Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average medical oncology physician in 2024
473 Medicare Part D claims for 87 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Hydroxyurea72 claims
- Eliquis71 claims
- Lenalidomide39 claims
- Acyclovir35 claims
- Xarelto22 claims
- Dexamethasone20 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: $533.35
18 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 3,343 providers of this specialty with any payment received $11,773.47 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.
2 hospitals and group practices
- Montefiore Medical CenterBronx, NY · Acute Care Hospitals3 of 5 stars
- Bayhealth Medical Center, IncMilford, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Stephen Zachary Peeke among 17 medical oncology physician records in Delaware
Stephen Zachary Peeke, M.D. is one of 17 medical oncology physician records with a practice address in Delaware. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 65% of them.
- NPI issued2013 · 65% of these records are older, 29% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2013 · median 2007 among the 13 with a school on file
- Record last updated2026 · 29% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Delaware
There are 17 medical oncology physician records in Delaware.
All 17 in Delaware → Every provider in Milford → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Iftekhar Khan, M.D.Milford, DE 199631770566085
- Bushra WaseemLewes, DE 199581366850265
- Nisarg Desai, MDRehoboth Beach, DE 199711174768956
- Srujitha Murukutla, M.D.Rehoboth Beach, DE 199711578792966
- Mir Mousavi, MDSeaford, DE 199731023192713
- Mohamad Ghraowi, MDDover, DE 199011942201439
- Ajinkya Kulkarni, MDDover, DE 199011962997668
- Rishi Sawhney, M.D.Dover, DE 199011750346698
Common questions
What is Stephen Zachary Peeke, M.D.'s NPI number?
Stephen Zachary Peeke, M.D.'s National Provider Identifier (NPI) is 1013350297, issued on Apr 8, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Zachary Peeke, M.D. located?
The NPPES record lists a practice address at 100 Wellness Way, Milford, DE, 19963. Phone: (302) 430-5072. Providers update this record themselves, so call before visiting.
How can I verify Stephen Zachary Peeke, M.D.'s license?
NPPES lists Delaware license number C1-0028532, 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 Stephen Zachary Peeke, M.D. prescribe under Medicare Part D?
In 2024, Stephen Zachary Peeke, M.D. had 473 Medicare Part D claims for 87 beneficiaries; the average among medical oncology physician prescribers was 703. 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.