KAREN MARIE PETROK APRN
NPI 1962423392
Nurse Practitioner - Acute Care in Bridgeport, CT
About Karen Marie Petrok Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN MARIE PETROK APRN (NPI 1962423392) is an individual acute care provider in Bridgeport, Connecticut, licensed in Connecticut (001573) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
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 Marie Petrok Aprn 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 Karen Petrok reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bridgeport, CT 06610
- Reassigned Medicare billing, Connecticut enrollment
- 1,824 clinicians in this Medicare group
Torrington, CT 06790
- Reassigned Medicare billing, Connecticut enrollment
- 374 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 3
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06610 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.
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.
BRIDGEPORT, CT 06610
BRIDGEPORT, CT 06610
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 Petrok's NPI number?
The NPI number for Karen Petrok is 1962423392. It was assigned to this individual provider in the NPPES registry on July 21, 2006.
Where is Karen Petrok located?
Karen Petrok practices at 226 Mill Hill Ave 3rd Floor, Bridgeport, CT 06610. The listed phone number is (203) 384-3394.
What is Karen Petrok's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Karen Petrok enrolled in Medicare?
Yes. Karen Petrok 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 Karen Petrok's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Petrok reassigns Medicare benefits to 2 organizations: Northeast Medical Group, Inc. (Bridgeport, CT) and The Charlotte Hungerford Hospital (Torrington, CT). 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 Karen Petrok's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Petrok accept?
Health plans from Anthem Blue Cross and Blue Shield list Karen Petrok as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Karen Petrok was last updated on September 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.