Geoffrey Peter Gustavsen, M.D.
Sports Medicine (Family Medicine) Physician · Newark, DE
Geoffrey Peter Gustavsen, M.D. is a sports medicine (family medicine) physician with a practice address in Newark, Delaware, and NPI 1396715959, issued on Jan 25, 2006. Check the license (Delaware C10007058, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Geoffrey Peter Gustavsen
- Credential
- M.D.
- Primary taxonomy
- Sports Medicine (Family Medicine) Physician 207QS0010X
- License number
- C10007058 DE
Self-reported in NPPES; status is on the state search - Practice location
- 282 The Grn, Newark, DE 19716
- Phone
- (302) 831-2227
- Enumerated
- Jan 25, 2006
- Record last updated
- Jan 26, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (302) 831-6407
- Medicare enrollment
- Enrolled (PECOS I20110830000093); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1989
- Entity
- Type 1 · individual
Also registered at 282 The Grn
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Battaglia, DOFamily Medicine Physician1720064751
- Maitri BhagatFamily Nurse Practitioner1851166516
- Kelly Frick, MDFamily Medicine Physician1588984819
- Donna Hendrie, DOFamily Medicine Physician1427034867
- Susan Meyer, ARNPWomen's Health Nurse Practitioner1114905916
- Esther Oteng, DNPFamily Nurse Practitioner1225626625
Verify Geoffrey Peter Gustavsen 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 C10007058Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average sports medicine (family medicine) physician in 2024
63 Medicare Part D claims for 32 beneficiaries, against an average of 855 among the 2,237 providers of this specialty who prescribed in Part D.
Most prescribed
- Eliquis12 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 one group practice
- Newark Emergency CenterNewark, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sports Medicine (Family Medicine) Physician providers in Delaware
There are 7 sports medicine (family medicine) physician records in Delaware.
Other sports medicine (family medicine) physician records in Delaware
- Caitlin Flatley, LAT, ATCNewark, DE1356830053
- Melissa Mackel, D.O.Dover, DE1437410198
- Andrew Reisman, MDWilmington, DE1841295912
- Bradley Sandella, D.O.Wilmington, DE1184751042
- Joseph Straight, M.D.Newark, DE1063547511
- Matthew Voltz, D.O.Wilmington, DE1912215112
Common questions
What is Geoffrey Peter Gustavsen, M.D.'s NPI number?
Geoffrey Peter Gustavsen, M.D.'s National Provider Identifier (NPI) is 1396715959, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Geoffrey Peter Gustavsen, M.D. located?
The NPPES record lists a practice address at 282 The Grn, Newark, DE, 19716. Phone: (302) 831-2227. Providers update this record themselves, so call before visiting.
How can I verify Geoffrey Peter Gustavsen, M.D.'s license?
NPPES lists Delaware license number C10007058, 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 Geoffrey Peter Gustavsen, M.D. prescribe under Medicare Part D?
In 2024, Geoffrey Peter Gustavsen, M.D. had 63 Medicare Part D claims for 32 beneficiaries; the average among sports medicine (family medicine) physician prescribers was 855. 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.