John Keyloun, M.D.
Surgery Physician · Washington, DC
John Keyloun, M.D. is a surgery physician with a practice address in Washington, District of Columbia, and NPI 1760914121, issued on Apr 3, 2017. Check the license (District of Columbia MD500003242, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- John Keyloun
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- MD500003242 DC
Self-reported in NPPES; status is on the state search - Practice location
- 3800 Reservoir RD NW, Washington, DC 20007
- Phone
- (202) 444-1233
- Enumerated
- Apr 3, 2017
- Record last updated
- Dec 22, 2025
- Fax
- (202) 444-7422
- Medicare enrollment
- Enrolled (PECOS I20240701000941); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 158 in District of Columbia → Look up another NPI →
Also registered at 3800 Reservoir RD NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Zeinab Abdi, M.D.Pediatrics Physician1861781437
Verify John Keyloun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD500003242Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average surgery physician in 2024
30 Medicare Part D claims for 21 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
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: $1,027.41
4 payments; by number, the most common kind was food and beverage; the largest payer was Enterra Medical, 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 2 group practices
- Johns Hopkins Community Physicians, IncLaurel, MD
- Johns Hopkins UniversityWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Keyloun among 158 surgery physician records in District of Columbia
John Keyloun, M.D. is one of 158 surgery physician records with a practice address in District of Columbia. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 75% of them.
- NPI issued2017 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2017 · median 2005 among the 83 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X 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).
Surgery Physician providers in District of Columbia
There are 158 surgery physician records in District of Columbia.
All 158 in District of Columbia → Every provider in Washington → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Yewande Alimi, MDWashington, DC 200071598108748
- Parag Bhanot, MDWashington, DC 200071952336562
- Eleanor Drew, MDWashington, DC 200071639479967
- Rebecca Evangelista, MDWashington, DC 200071770555765
- Stephen Evans, MDWashington, DC 200071609874437
- Shimae Fitzgibbons, M.D.Washington, DC 200071093982753
- Barry Greene, MD FACSWashington, DC 200071487762100
- Ann Hwalek, D.O.Washington, DC 200071073889887
Common questions
What is John Keyloun, M.D.'s NPI number?
John Keyloun, M.D.'s National Provider Identifier (NPI) is 1760914121, issued on Apr 3, 2017. An NPI identifies a provider in billing; it is not a license.
Where is John Keyloun, M.D. located?
The NPPES record lists a practice address at 3800 Reservoir RD NW, Washington, DC, 20007. Phone: (202) 444-1233. Providers update this record themselves, so call before visiting.
How can I verify John Keyloun, M.D.'s license?
NPPES lists District of Columbia license number MD500003242, 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 John Keyloun, M.D. prescribe under Medicare Part D?
In 2024, John Keyloun, M.D. had 30 Medicare Part D claims for 21 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.