David Christopher Zarkowsky, M.D.
Internal Medicine Physician · Washington, DC
David Christopher Zarkowsky, M.D. is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1477972016, issued on Apr 10, 2014. Check the license on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- David Christopher Zarkowsky
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0101262036 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2150 Pennsylvania Ave NW, Washington, DC 20037
- Phone
- (202) 741-3000
- Enumerated
- Apr 10, 2014
- Record last updated
- May 8, 2024
- Medicare enrollment
- Enrolled (PECOS I20171018002828); accepts Medicare assignment
- Medical or professional school
- Wake Forest University School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 901 in District of Columbia → Look up another NPI →
Also registered at 2150 Pennsylvania Ave NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Christopher Zarkowsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
124 Medicare Part D claims for 64 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 15 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Christopher Zarkowsky among 901 internal medicine physician records in District of Columbia
David Christopher Zarkowsky, 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 2014, is newer than 70% of them.
- NPI issued2014 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2014 · median 2008 among the 513 with a school on file
- Record last updated2024 · 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
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- Marie Borum, MDWashington, DC 200371487616397
- Ryan Bosch, MDWashington, DC 200371861451866
- Samia Burton, MDWashington, DC 200371578540662
- Letitia Carlson, MDWashington, DC 200371528021789
- Jehan El-Bayoumi, MDWashington, DC 200371588623409
Common questions
What is David Christopher Zarkowsky, M.D.'s NPI number?
David Christopher Zarkowsky, M.D.'s National Provider Identifier (NPI) is 1477972016, issued on Apr 10, 2014. An NPI identifies a provider in billing; it is not a license.
Where is David Christopher Zarkowsky, M.D. located?
The NPPES record lists a practice address at 2150 Pennsylvania Ave NW, Washington, DC, 20037. Phone: (202) 741-3000. Providers update this record themselves, so call before visiting.
How can I verify David Christopher Zarkowsky, M.D.'s license?
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 David Christopher Zarkowsky, M.D. prescribe under Medicare Part D?
In 2024, David Christopher Zarkowsky, M.D. had 124 Medicare Part D claims for 64 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.