Douglas Mark Vanzoeren, MD
Internal Medicine Physician · Washington, DC
Douglas Mark Vanzoeren, MD is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1538225974, issued on Dec 29, 2006. Check the license on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Douglas Mark Vanzoeren
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0035692 MD
Self-reported in NPPES; status is on the state search - Practice location
- 700 2ND St NE, Washington, DC 20002
- Phone
- (202) 346-3000
- Enumerated
- Dec 29, 2006
- Record last updated
- Jun 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (202) 346-3061
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 901 in District of Columbia → Look up another NPI →
Also registered at 700 2ND St NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Emmanuel Anozie, R.PH.Pharmacist1578903647
- Josephine Anyanwu, RPHPharmacist1578806154
Verify Douglas Mark Vanzoeren 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
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
79 Medicare Part D claims for 22 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluticasone Propionate12 claims
- Mirtazapine12 claims
- Quetiapine Fumarate12 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.
Douglas Mark Vanzoeren among 901 internal medicine physician records in District of Columbia
Douglas Mark Vanzoeren, MD 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 updated2021 · 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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- Lya Karm, MDWashington, DC 200021518028984
- Sos Mboijana, M.D.Washington, DC 200021841274792
- Jason Prior, M.D.Washington, DC 200021235280850
- Sheri Qi, M.D.Washington, DC 200021013954114
Common questions
What is Douglas Mark Vanzoeren, MD's NPI number?
Douglas Mark Vanzoeren, MD's National Provider Identifier (NPI) is 1538225974, issued on Dec 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Mark Vanzoeren, MD located?
The NPPES record lists a practice address at 700 2ND St NE, Washington, DC, 20002. Phone: (202) 346-3000. Providers update this record themselves, so call before visiting.
How can I verify Douglas Mark Vanzoeren, MD'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 Douglas Mark Vanzoeren, MD prescribe under Medicare Part D?
In 2024, Douglas Mark Vanzoeren, MD had 79 Medicare Part D claims for 22 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.