DR. STEPHEN JASON DINI D.P.M.
NPI 1891011300
Podiatrist - Foot & Ankle Surgery in Garden City Park, NY
About Dr. Stephen Jason Dini D.p.m. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN JASON DINI D.P.M. (NPI 1891011300) is an individual foot & ankle surgery provider in Garden City Park, New York, licensed in New York (N006608-1) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Long Island Jewish Medical Center, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Stephen Jason Dini D.p.m. 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 Stephen Dini reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jericho, NY 11753
- Reassigned Medicare billing, New York enrollment
- 413 clinicians in this Medicare group
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 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 10
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Long Island Jewish Medical Center
Acute Care Hospitals · New Hyde Park, NYMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GARDEN CITY PARK, NY 11040
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 Stephen Dini's NPI number?
The NPI number for Stephen Dini is 1891011300. It was assigned to this individual provider in the NPPES registry on April 9, 2010.
Where is Stephen Dini located?
Stephen Dini practices at 2403 Jericho Tpke, Garden City Park, NY 11040. The listed phone number is (516) 294-9540.
What is Stephen Dini's specialty?
The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.
Is Stephen Dini enrolled in Medicare?
Yes. Stephen Dini 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 Stephen Dini's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Dini reassigns Medicare benefits to 2 organizations: Optum Urgent Care, PLLC (Jericho, NY) and Optum Medical Care, P.C. (Mount Kisco, 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 Stephen Dini's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephen Dini affiliated with any hospitals?
According to CMS data, Stephen Dini is affiliated with Long Island Jewish Medical Center.
When was this NPI record last updated?
The NPPES record for Stephen Dini was last updated on July 17, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Stephen Jason Dini, D.P.M. · NPI 1891011300
Foot & Ankle Surgery provider in Garden City Park, New York. Individual provider, active in the CMS NPPES registry since April 9, 2010.
## Identity
- **NPI:** 1891011300 (Entity type: Individual)
- **Enumerated:** April 9, 2010
- **Primary specialty:** Podiatrist - Foot & Ankle Surgery · taxonomy 213ES0103X
- **State license:** N006608-1 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 2403 JERICHO TPKE, Garden City Park, NY 11040-4710
- **Phone:** (516) 294-9540
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Optum Urgent Care, PLLC (NPI 1285975797, Jericho, NY); Optum Medical Care, P.C. (NPI 1982643003, Mount Kisco, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** July 17, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1891011300) · Data from the CMS NPPES public registry.