DR. DEBORAH CARNEY M.D.
NPI 1912369935
Internal Medicine in Port Jefferson Station, NY
About Dr. Deborah Carney M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DEBORAH CARNEY M.D. (NPI 1912369935) is an individual internal medicine provider in Port Jefferson Station, New York, licensed in New York (303900) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with John T Mather Memorial Hospital Of Port Jefferson, and maintains a secondary practice location in Stony Brook.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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. Deborah Carney 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 Deborah Carney reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Smithtown, NY 11787
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Southwest Suffolk Medical PC
- 348 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 13
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
John T Mather Memorial Hospital Of Port Jefferson
Acute Care Hospitals · Port Jefferson, NYSt Charles Hospital
Acute Care Hospitals · Port Jefferson, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11776 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
Referred Medical Equipment & Supplies CMS DME claims 2
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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORT JEFFERSON STATION, NY 11776
PORT JEFFERSON STATION, NY 11776
PORT JEFFERSON STATION, NY 11776
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 Deborah Carney's NPI number?
The NPI number for Deborah Carney is 1912369935. It was assigned to this individual provider in the NPPES registry on March 28, 2016.
Where is Deborah Carney located?
Deborah Carney practices at 410 Hallock Ave, Port Jefferson Station, NY 11776. The listed phone number is (631) 642-1100.
What is Deborah Carney's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Deborah Carney enrolled in Medicare?
Yes. Deborah Carney 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 Deborah Carney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Deborah Carney reassigns Medicare benefits to 2 organizations: Southwest Suffolk, P.C (Smithtown, 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 Deborah Carney's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Deborah Carney affiliated with any hospitals?
According to CMS data, Deborah Carney is affiliated with John T Mather Memorial Hospital Of Port Jefferson and St Charles Hospital.
When was this NPI record last updated?
The NPPES record for Deborah Carney was last updated on February 22, 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. Deborah Carney, M.D. · NPI 1912369935
Internal Medicine physician in Port Jefferson Station, New York. Individual provider, active in the CMS NPPES registry since March 28, 2016.
## Identity
- **NPI:** 1912369935 (Entity type: Individual)
- **Enumerated:** March 28, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 303900 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 410 HALLOCK AVE, Port Jefferson Station, NY 11776-1232
- **Phone:** (631) 642-1100
## 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): Southwest Suffolk, P.C (NPI 1730428467, Smithtown, NY); Optum Medical Care, P.C. (NPI 1982643003, Mount Kisco, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** February 22, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1912369935) · Data from the CMS NPPES public registry.