PATTY DF KOK APRN
NPI 1083331888
Nurse Practitioner - Acute Care in Winchester, MA
About Patty Df Kok Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PATTY DF KOK APRN (NPI 1083331888) is an individual acute care provider in Winchester, Massachusetts, licensed in Massachusetts (RN10022438) and active in the NPI registry since October 2022. She is enrolled in Medicare PECOS, is affiliated with Winchester Hospital, and is a graduate of University Of Florida College Of Medicine (2024).
NPPES Registry Identity
Specialties & Licenses
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
Patty Df Kok 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 Patty Kok reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- 477 clinicians in this Medicare group
Sacramento, CA 95817
- Reassigned Medicare billing, California enrollment
- 2,570 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Winchester Hospital
Acute Care Hospitals · Winchester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01890 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WINCHESTER, MA 01890
WINCHESTER, MA 01890
WINCHESTER, MA 01890
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 Patty Kok's NPI number?
The NPI number for Patty Kok is 1083331888. It was assigned to this individual provider in the NPPES registry on October 21, 2022.
Where is Patty Kok located?
Patty Kok practices at 41 Highland Ave, Winchester, MA 01890. The listed phone number is (781) 729-2020.
What is Patty Kok's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Patty Kok enrolled in Medicare?
Yes. Patty Kok 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 Patty Kok's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patty Kok reassigns Medicare benefits to 2 organizations: Beth Israel Lahey Health Specialty Care, Inc. (Burlington, MA) and Regents Of The Univ Of Ca (Sacramento, CA). 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 Patty Kok's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Patty Kok accept?
Health plans from Taro Health list Patty Kok 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.
Is Patty Kok affiliated with any hospitals?
According to CMS data, Patty Kok is affiliated with Winchester Hospital.
When was this NPI record last updated?
The NPPES record for Patty Kok was last updated on March 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.
# Patty Df Kok, APRN · NPI 1083331888
Acute Care physician in Winchester, Massachusetts. Individual provider, active in the CMS NPPES registry since October 21, 2022.
## Identity
- **NPI:** 1083331888 (Entity type: Individual)
- **Enumerated:** October 21, 2022
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** RN10022438 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 41 HIGHLAND AVE, Winchester, MA 01890-1446
- **Phone:** (781) 729-2020
## 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): Beth Israel Lahey Health Specialty Care, Inc. (NPI 1427161660, Burlington, MA); Regents Of The Univ Of Ca (NPI 1285068783, Sacramento, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Florida College Of Medicine, class of 2024
## Record status
- **NPPES last updated:** March 31, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1083331888) · Data from the CMS NPPES public registry.