MR. JONATHAN R ZIRN MD
NPI 1306896287
Dermatology in Danbury, CT
About Mr. Jonathan R Zirn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JONATHAN R ZIRN MD (NPI 1306896287) is an individual dermatology provider in Danbury, Connecticut, licensed in Connecticut (035819) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Mr. Jonathan R Zirn Md 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
2Medicare enrollment records show Jonathan Zirn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Danbury, CT 06811
- Reassigned Medicare billing, Connecticut enrollment
- 12 clinicians in this Medicare group
Meriden, CT 06450
- Reassigned Medicare billing, Connecticut enrollment
- 5 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 20
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 06811 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Jonathan Zirn's NPI number?
The NPI number for Jonathan Zirn is 1306896287. It was assigned to this individual provider in the NPPES registry on May 11, 2006.
Where is Jonathan Zirn located?
Jonathan Zirn practices at 25 Tamarack Ave Advanced Derm Care PC, Danbury, CT 06811. The listed phone number is (203) 797-8990.
What is Jonathan Zirn's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Jonathan Zirn enrolled in Medicare?
Yes. Jonathan Zirn 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 Jonathan Zirn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Zirn reassigns Medicare benefits to 2 organizations: Advanced Dermcare PC (Danbury, CT) and Dermatopathology Laboratory Of New England PC (Meriden, CT). 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 Jonathan Zirn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jonathan Zirn accept?
Health plans from Anthem Blue Cross and Blue Shield list Jonathan Zirn 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 Jonathan Zirn was last updated on July 6, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.