DR. GRACE E REINA M.D.
NPI 1669488615
Internal Medicine in East Setauket, NY
About Dr. Grace E Reina M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRACE E REINA M.D. (NPI 1669488615) is an individual internal medicine provider in East Setauket, New York, licensed in New York (208252-1) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of University Of Miami, Lm Miller School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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. Grace E Reina M.d. 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 Grace Reina reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stony Brook, NY 11794
- Reassigned Medicare billing, New York enrollment
- 261 clinicians in this Medicare group
Nesconset, NY 11767
- Reassigned Medicare billing, New York enrollment
- 572 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 11
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore University Hospital
Acute Care Hospitals · Manhasset, NYSt Charles Hospital
Acute Care Hospitals · Port Jefferson, NYSuny/Stony Brook University Hospital
Acute Care Hospitals · Stony Brook, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11733 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
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 Grace Reina's NPI number?
The NPI number for Grace Reina is 1669488615. It was assigned to this individual provider in the NPPES registry on July 31, 2006.
Where is Grace Reina located?
Grace Reina practices at 205 N Belle Mead Rd, East Setauket, NY 11733. The listed phone number is (631) 444-4630.
What is Grace Reina's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Grace Reina enrolled in Medicare?
Yes. Grace Reina 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 Grace Reina's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Reina reassigns Medicare benefits to 2 organizations: Stony Brook Internists, University Faculty Practice Corporation (Stony Brook, NY) and North Shore Medical Group Of The Mount Sinai School Of Medicine (Nesconset, 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 Grace Reina's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Grace Reina affiliated with any hospitals?
According to CMS data, Grace Reina is affiliated with North Shore University Hospital, St Charles Hospital and Suny/Stony Brook University Hospital.
When was this NPI record last updated?
The NPPES record for Grace Reina was last updated on April 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Grace E Reina, M.D. · NPI 1669488615
Internal Medicine physician in East Setauket, New York. Individual provider, active in the CMS NPPES registry since July 31, 2006.
## Identity
- **NPI:** 1669488615 (Entity type: Individual)
- **Enumerated:** July 31, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 208252-1 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 205 N BELLE MEAD RD, East Setauket, NY 11733-3483
- **Phone:** (631) 444-4630 · **Fax:** (631) 444-4652
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Stony Brook Internists, University Faculty Practice Corporation (NPI 1215976337, Stony Brook, NY); North Shore Medical Group Of The Mount Sinai School Of Medicine (NPI 1962646091, Nesconset, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Miami, Lm Miller School Of Medicine, class of 1996
## Record status
- **NPPES last updated:** April 28, 2022
- **Other identifiers:** Other 0156391 (NY); Other 1667S1 (NY); Other 5C8691 (NY); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1669488615) · Data from the CMS NPPES public registry.