Joseph Zahn, M.D.
Dermatology Physician · Washington, DC
Joseph Zahn, M.D. is a dermatology physician with a practice address in Washington, District of Columbia, and NPI 1386058048, issued on Jun 19, 2014. Check the license (District of Columbia MD047809, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Joseph Zahn
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- MD047809 DC
ME177344 FL
4301105521 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2150 Pennsylvania Ave NW, Washington, DC 20037
- Phone
- (202) 741-3000
- Enumerated
- Jun 19, 2014
- Record last updated
- Jan 12, 2026
- Medicare enrollment
- Enrolled (PECOS I20251029002928); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 74 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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- Nawaf Abaalkhail, MDCritical Care Medicine (Internal Medicine) Physician1104246958
- Theophilus Abah, MDAnesthesiology Physician1245810696
- Yoosif Abdalla, MDNephrology Physician1679851760
- Rim Abdallah, M.D.Student in an Organized Health Care Education/Training Program1962896886
- Rami AbdulbakiAnatomic Pathology & Clinical Pathology Physician1851950109
Verify Joseph Zahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD047809Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Art OF Dermatology PLLCFort Myers, FL
- Medical Faculty Associates, IncWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Zahn among 74 dermatology physician records in District of Columbia
Joseph Zahn, M.D. is one of 74 dermatology physician records with a practice address in District of Columbia. 86% 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 76% of them.
- NPI issued2014 · 76% of these records are older, 20% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2014 · median 2006 among the 54 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X 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).
Dermatology Physician providers in District of Columbia
There are 74 dermatology physician records in District of Columbia.
All 74 in District of Columbia → Every provider in Washington → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Henok Araya, M.D.Washington, DC 200371649379702
- Alicia Braun, MDWashington, DC 200371477521748
- Adam Friedman, M.D.Washington, DC 200371588800916
- Vincenzo Giannelli, MDWashington, DC 200371205881182
- Sheldon Gottlieb, MD, PHDWashington, DC 200371881691715
- Neelam Khan, MDWashington, DC 200371801242292
- Lauren McKelroyWashington, DC 200371013351436
- Emily MurphyWashington, DC 200371578192050
Common questions
What is Joseph Zahn, M.D.'s NPI number?
Joseph Zahn, M.D.'s National Provider Identifier (NPI) is 1386058048, issued on Jun 19, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Zahn, 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 Joseph Zahn, M.D.'s license?
NPPES lists District of Columbia license number MD047809, 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.
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.