MS. DIANA SUSAN HURWITZ
NPI 1467438705
Dermatology in Greenwich, CT
About Ms. Diana Susan Hurwitz NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. DIANA SUSAN HURWITZ (NPI 1467438705) is an individual dermatology provider in Greenwich, Connecticut, licensed in New York (020271) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS, maintains a secondary practice location in Greenwich, and is a graduate of Icahn School Of Medicine At Mount Sinai (1992).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 17
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
Ms. Diana Susan Hurwitz 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
3Medicare enrollment records show Diana Hurwitz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rye Brook, NY 10573
- Reassigned Medicare billing, New York enrollment
- 470 clinicians in this Medicare group
Larchmont, NY 10538
- Reassigned Medicare billing, New York enrollment
- 2 clinicians in this Medicare group
Fishkill, NY 12524
- Reassigned Medicare billing, New York enrollment
- 25 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06831 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.
GREENWICH, CT 06831
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 Diana Hurwitz's NPI number?
The NPI number for Diana Hurwitz is 1467438705. It was assigned to this individual provider in the NPPES registry on December 19, 2005.
Where is Diana Hurwitz located?
Diana Hurwitz practices at 4 Dearfield Dr, Greenwich, CT 06831. The listed phone number is (212) 249-8884.
What is Diana Hurwitz's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Diana Hurwitz enrolled in Medicare?
Yes. Diana Hurwitz 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 Diana Hurwitz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Hurwitz reassigns Medicare benefits to 3 organizations: Westchester Medical Group, P.C. (Rye Brook, NY), (Larchmont, NY) and Hudson Dermatology, PC (Fishkill, NY). 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 Diana Hurwitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Diana Hurwitz was last updated on August 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Ms. Diana Susan Hurwitz · NPI 1467438705
Dermatology physician in Greenwich, Connecticut. Individual provider, active in the CMS NPPES registry since December 19, 2005.
## Identity
- **NPI:** 1467438705 (Entity type: Individual)
- **Enumerated:** December 19, 2005
- **Primary specialty:** Dermatology · taxonomy 207N00000X
- **State license:** 020271 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 4 DEARFIELD DR, Greenwich, CT 06831-5351
- **Phone:** (212) 249-8884 · **Fax:** (212) 249-8884
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Westchester Medical Group, P.C. (NPI 1881653822, Rye Brook, NY); (NPI 1831160704, Larchmont, NY); Hudson Dermatology, PC (NPI 1508895384, Fishkill, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 1992
## Record status
- **NPPES last updated:** August 10, 2021
- **Other identifiers:** Other 0839247-010 (NY); Other 133884168 (NY); Other 070017752 (NY); and 14 more
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Source: [NPI Profile](https://npiprofile.com/npi/1467438705) · Data from the CMS NPPES public registry.