JOSEPH ZAHN M.D.
NPI 1386058048
Dermatology in Washington, DC
About Joseph Zahn M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPH ZAHN M.D. (NPI 1386058048) is an individual dermatology provider in Washington, District Of Columbia, licensed in Florida (ME177344) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Joseph Zahn M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Joseph Zahn reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20037
- Reassigned Medicare billing, District of Columbia enrollment
- 1,275 clinicians in this Medicare group
Huntingdon Valley, PA 19006
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Pennsylvania Dermatology Group PC
- 10 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 68 clinicians in this Medicare group
Berkley, MI 48072
- Reassigned Medicare billing, Florida and Michigan enrollments
- 9 clinicians in this Medicare group
Rochester, MI 48307
- Reassigned Medicare billing, Michigan enrollment
- 3 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20037 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20037
WASHINGTON, DC 20037
WASHINGTON, DC 20037
WASHINGTON, DC 20037
WASHINGTON, DC 20037
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Joseph Zahn's NPI number?
The NPI number for Joseph Zahn is 1386058048. It was assigned to this individual provider in the NPPES registry on June 19, 2014.
Where is Joseph Zahn located?
Joseph Zahn practices at 2150 Pennsylvania Ave NW, Washington, DC 20037. The listed phone number is (202) 741-3000.
What is Joseph Zahn's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Joseph Zahn enrolled in Medicare?
Yes. Joseph Zahn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Joseph Zahn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Zahn reassigns Medicare benefits to 5 organizations: Medical Faculty Associates, Inc (Washington, DC), Pennsylvania Dermatology Group, P.C. (Huntingdon Valley, PA), Icahn School Of Medicine At Mount Sinai (New York, NY), Art Of Dermatology PLLC (Berkley, MI) and Modern Dermatology, PLLC (Rochester, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joseph Zahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Zahn accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 3 other insurers list Joseph Zahn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Joseph Zahn was last updated on January 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Joseph Zahn, M.D. · NPI 1386058048
Dermatology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since June 19, 2014.
## Identity
- **NPI:** 1386058048 (Entity type: Individual)
- **Enumerated:** June 19, 2014
- **Primary specialty:** Dermatology · taxonomy 207N00000X
- **State license:** ME177344 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 2150 PENNSYLVANIA AVE NW, Washington, DC 20037-3201
- **Phone:** (202) 741-3000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Medical Faculty Associates, Inc (NPI 1417990581, Washington, DC); Pennsylvania Dermatology Group, P.C. (NPI 1942357454, Huntingdon Valley, PA); Icahn School Of Medicine At Mount Sinai (NPI 1922365915, New York, NY); Art Of Dermatology PLLC (NPI 1275022519, Berkley, MI); Modern Dermatology, PLLC (NPI 1750967691, Rochester, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** January 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1386058048) · Data from the CMS NPPES public registry.