Katherine Sahm, MD
Surgery Physician · Wilmington, DE
Katherine Sahm, MD is a surgery physician with a practice address in Wilmington, Delaware, and NPI 1649201849, issued on Jul 5, 2006. Check the license (Delaware DE-C1-0007575, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Katherine Sahm
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- DE-C1-0007575 DE
Self-reported in NPPES; status is on the state search - Practice location
- 1100 N Grant Ave, Wilmington, DE 19805
- Phone
- (302) 421-4100
- Enumerated
- Jul 5, 2006
- Record last updated
- May 12, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (302) 421-4100
- Medicare enrollment
- Enrolled (PECOS I20050910000160); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 2000
- Entity
- Type 1 · individual
Also registered at 1100 N Grant Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amanda Fichter, ODOptometrist1588660351
- Waleed Shalaby, MDGynecologic Oncology Physician1407969587
Verify Katherine Sahm 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 DE-C1-0007575Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average surgery physician in 2024
86 Medicare Part D claims for 43 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Gabapentin25 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: $5,407.15
18 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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.
Bills Medicare through one group practice
- Christiana Care Health Services IncWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Surgery Physician providers in Delaware
There are 109 surgery physician records in Delaware.
Other surgery physician records in Delaware
- Raafat Abdel-Misih, MDNewark, DE1821088048
- Hania Ahmer, MDDover, DE1588411805
- S Akana, MDMilford, DE1942208459
- Edward Alexander, M.D.Dover, DE1386638807
- Nasrin Ansari, MDDover, DE1497833826
- M. Lisa Attebery, DORehoboth Beach, DE1649385626
- Karen Barbosa, D.O.Rehoboth Beach, DE1568472355
- Thomas Barnett, MDDover, DE1811964703
- Joseph Belgrade, M.D.Wilmington, DE1144285701
- Joseph Bennett, M.D.Newark, DE1619967841
Common questions
What is Katherine Sahm, MD's NPI number?
Katherine Sahm, MD's National Provider Identifier (NPI) is 1649201849, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Sahm, MD located?
The NPPES record lists a practice address at 1100 N Grant Ave, Wilmington, DE, 19805. Phone: (302) 421-4100. Providers update this record themselves, so call before visiting.
How can I verify Katherine Sahm, MD's license?
NPPES lists Delaware license number DE-C1-0007575, 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 Katherine Sahm, MD prescribe under Medicare Part D?
In 2024, Katherine Sahm, MD had 86 Medicare Part D claims for 43 beneficiaries; the average among surgery physician prescribers was 147. 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.