Amy Dee Kossoff, M.D.
Internal Medicine Physician · Washington, DC
Amy Dee Kossoff, M.D. is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1912090614, issued on Oct 2, 2006. Check the license (District of Columbia 14882, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Amy Dee Kossoff
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 14882 DC
Self-reported in NPPES; status is on the state search - Practice location
- 425 2ND St. N.W., Washington, DC 20001
- Phone
- (202) 508-0500
- Enumerated
- Oct 2, 2006
- Record last updated
- Apr 5, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (202) 508-0522
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 901 in District of Columbia → Look up another NPI →
Verify Amy Dee Kossoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license 14882Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
104 Medicare Part D claims for 11 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Fluoxetine Hcl26 claims
- Diazepam13 claims
- Lamotrigine13 claims
- Trazodone Hcl13 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.
Amy Dee Kossoff among 901 internal medicine physician records in District of Columbia
Amy Dee Kossoff, M.D. is one of 901 internal medicine physician records with a practice address in District of Columbia. 73% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 67% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2016 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
891 internal medicine physician records list a practice address in Washington
They are 891 of the 45,857 NPPES records with a practice address in Washington, and 901 internal medicine physician records in District of Columbia.
All 901 in District of Columbia → Every provider in Washington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Randi Abramson, MDWashington, DC 200011841379252
- Katheleen Andrews, M.D.Washington, DC 200011851495477
- Alicia Buchwalter, MDWashington, DC 200011437210192
- Andrea Buck, M.D.Washington, DC 200011699965129
- Anne Cardile, MDWashington, DC 200011992866420
- Renee Chen-Lee, D.O.Washington, DC 200011942297833
- Catherine Crosland, MDWashington, DC 200011245218650
- Deborah Edge, M.D.Washington, DC 200011295719136
Common questions
What is Amy Dee Kossoff, M.D.'s NPI number?
Amy Dee Kossoff, M.D.'s National Provider Identifier (NPI) is 1912090614, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Amy Dee Kossoff, M.D. located?
The NPPES record lists a practice address at 425 2ND St. N.W., Washington, DC, 20001. Phone: (202) 508-0500. Providers update this record themselves, so call before visiting.
How can I verify Amy Dee Kossoff, M.D.'s license?
NPPES lists District of Columbia license number 14882, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Amy Dee Kossoff, M.D. prescribe under Medicare Part D?
In 2024, Amy Dee Kossoff, M.D. had 104 Medicare Part D claims for 11 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.