PETER A KLEIN, MD, FAAD, PC
NPI 1902837396
Dermatology in Port Jefferson Station, NY
About Peter A Klein, Md, Faad, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETER A KLEIN, MD, FAAD, PC (NPI 1902837396) is a healthcare organization registered as a dermatology in Port Jefferson Station, New York and active in the NPI registry since July 2006. The organization lists Peter A Klein, Physician Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Peter A Klein, Md, Faad, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
8Medicare enrollment records show 8 clinicians reassign Medicare billing to Peter A Klein, MD, Faad, PC, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (8)
Port Jefferson Station, NY 11776
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Peter A Klein, MD, Faad, PC's NPI number?
The NPI number for Peter A Klein, MD, Faad, PC is 1902837396. It was assigned to this organization in the NPPES registry on July 5, 2006.
Where is Peter A Klein, MD, Faad, PC located?
Peter A Klein, MD, Faad, PC is located at 6 Medical Dr Suite D, Port Jefferson Station, NY 11776. The listed phone number is (631) 928-7922.
What is Peter A Klein, MD, Faad, PC's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Peter A Klein, MD, Faad, PC enrolled in Medicare?
Yes. Peter A Klein, MD, Faad, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Peter A Klein, MD, Faad, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 2 Medicare specialties reassign their Medicare billing to Peter A Klein, MD, Faad, PC. A 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 the clinician's services. The largest specialties are Dermatology (7) and Micrographic Dermatologic Surgery (MDS) (1). Of these, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Peter A Klein, MD, Faad, PC was last updated on November 21, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Peter A Klein, Md, Faad, Pc · NPI 1902837396
Dermatology organization in Port Jefferson Station, New York. Organization record, active in the CMS NPPES registry since July 5, 2006.
## Identity
- **NPI:** 1902837396 (Entity type: Organization)
- **Enumerated:** July 5, 2006
- **Primary specialty:** Dermatology · taxonomy 207N00000X
- **Organization subpart:** No
- **Authorized official:** Peter Klein, PHYSICIAN OWNER
## Practice location
- **Address:** 6 MEDICAL DR, SUITE D, Port Jefferson Station, NY 11776-1594
- **Phone:** (631) 928-7922 · **Fax:** (631) 928-9246
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 8 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Dermatology (7), Micrographic Dermatologic Surgery (MDS) (1); 3 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 21, 2007
- **Other identifiers:** Medicare PIN WEJ771 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1902837396) · Data from the CMS NPPES public registry.