DANIEL I RIFKIN, MD, PC
NPI 1730125139
Psychiatry & Neurology - Sleep Medicine in Williamsville, NY
About Daniel I Rifkin, Md, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DANIEL I RIFKIN, MD, PC (NPI 1730125139) is a healthcare organization registered as a sleep medicine in Williamsville, New York and active in the NPI registry since June 2006. The organization lists Daniel Ira Rifkin, Owner President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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)
Daniel I Rifkin, Md, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
12Medicare enrollment records show 12 clinicians reassign Medicare billing to Daniel I Rifkin, MD, PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians by Medicare Specialty 5
Clinicians, nearest first (12)
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 Daniel I Rifkin, MD, PC's NPI number?
The NPI number for Daniel I Rifkin, MD, PC is 1730125139. It was assigned to this organization in the NPPES registry on June 22, 2006.
Where is Daniel I Rifkin, MD, PC located?
Daniel I Rifkin, MD, PC is located at 1120 Youngs Rd, Williamsville, NY 14221. The listed phone number is (716) 923-7326.
What is Daniel I Rifkin, MD, PC's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Sleep Medicine, with taxonomy code 2084S0012X.
Is Daniel I Rifkin, MD, PC enrolled in Medicare?
Yes. Daniel I Rifkin, MD, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Daniel I Rifkin, MD, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 5 Medicare specialties reassign their Medicare billing to Daniel I Rifkin, MD, 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 Nurse Practitioner (8), Internal Medicine (1) and Neurology (1). Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Daniel I Rifkin, MD, PC was last updated on January 10, 2008. 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.
# Daniel I Rifkin, Md, Pc · NPI 1730125139
Sleep Medicine organization in Williamsville, New York. Organization record, active in the CMS NPPES registry since June 22, 2006.
## Identity
- **NPI:** 1730125139 (Entity type: Organization)
- **Enumerated:** June 22, 2006
- **Primary specialty:** Psychiatry & Neurology - Sleep Medicine · taxonomy 2084S0012X
- **Organization subpart:** No
- **Authorized official:** Daniel Rifkin, OWNER PRESIDENT
## Practice location
- **Address:** 1120 YOUNGS RD, Williamsville, NY 14221-2645
- **Phone:** (716) 923-7326 · **Fax:** (716) 250-4000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 12 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (8), Internal Medicine (1), Neurology (1); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 10, 2008
- **Other identifiers:** Medicare PIN AA1203 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1730125139) · Data from the CMS NPPES public registry.