KAREN MATRAGRANO NP-C
NPI 1629356571
Nurse Practitioner - Adult Health in Port Jefferson Station, NY
About Karen Matragrano Np-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN MATRAGRANO NP-C (NPI 1629356571) is an individual adult health provider in Port Jefferson Station, New York, licensed in New York (305818) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS and is a graduate of State University Of New York At Stony Brook, School Of Medicine (2011).
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
Karen Matragrano Np-c 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 Reassignment
Medicare enrollment records show Karen Matragrano reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Port Jefferson Station, NY 11776
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Gastroenterology Associates Of Suffolk PC
- 8 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 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.
Other Providers at the Same Location NPPES 9
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
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 Karen Matragrano's NPI number?
The NPI number for Karen Matragrano is 1629356571. It was assigned to this individual provider in the NPPES registry on July 26, 2011.
Where is Karen Matragrano located?
Karen Matragrano practices at 931 Hallock Ave, Port Jefferson Station, NY 11776. The listed phone number is (631) 331-7200.
What is Karen Matragrano's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Karen Matragrano enrolled in Medicare?
Yes. Karen Matragrano 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 organization bills Medicare for Karen Matragrano's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Matragrano reassigns Medicare benefits to Gastroenterology Associates Of Suffolk, P.C. (Port Jefferson Station, NY). The 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 Karen Matragrano'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 Karen Matragrano was last updated on June 17, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Karen Matragrano, NP-C · NPI 1629356571
Adult Health physician in Port Jefferson Station, New York. Individual provider, active in the CMS NPPES registry since July 26, 2011.
## Identity
- **NPI:** 1629356571 (Entity type: Individual)
- **Enumerated:** July 26, 2011
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 305818 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 931 HALLOCK AVE, Port Jefferson Station, NY 11776-1228
- **Phone:** (631) 331-7200
## 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:** Gastroenterology Associates Of Suffolk, P.C. (NPI 1083745566, Port Jefferson Station, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Stony Brook, School Of Medicine, class of 2011
## Record status
- **NPPES last updated:** June 17, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1629356571) · Data from the CMS NPPES public registry.