DR. PHILIP J KOSTKA MD
NPI 1720646409
Emergency Medicine in Weston, WI
About Dr. Philip J Kostka Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PHILIP J KOSTKA MD (NPI 1720646409) is an individual emergency medicine provider in Weston, Wisconsin, licensed in Wisconsin (80089-20) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Aspirus Stevens Point Hospital & Clinics, Inc., and maintains a secondary practice location in Stevens Point.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Philip J Kostka Md 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
11Medicare enrollment records show Philip Kostka reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Weston, WI 54476
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1952890873 (Wisconsin)
- 2,476 clinicians in this Medicare group
Wittenberg, WI 54499
- Reassigned Medicare billing, Wisconsin enrollment
- 935 clinicians in this Medicare group
Merrill, WI 54452
- Reassigned Medicare billing, Wisconsin enrollment
- 351 clinicians in this Medicare group
Stevens Point, WI 54481
- Reassigned Medicare billing, Wisconsin enrollment
- 619 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Neillsville, WI 54456
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1346239373 (Wisconsin)
- 1,283 clinicians in this Medicare group
Woodruff, WI 54568
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Howard Young Medical Center Inc Of Woodruff Wisconsin
- 358 clinicians in this Medicare group
Eagle River, WI 54521
- Reassigned Medicare billing, Wisconsin enrollment
- 262 clinicians in this Medicare group
Park Falls, WI 54552
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1700963048 (Wisconsin)
- 1,351 clinicians in this Medicare group
Waupun, WI 53963
- Reassigned Medicare billing, Wisconsin enrollment
- 1,447 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 4
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.
Aspirus Stevens Point Hospital & Clinics, Inc.
Acute Care Hospitals · Stevens Point, WIMarshfield Medical Center - Weston
Acute Care Hospitals · Weston, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54476 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.
WESTON, WI 54476
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 Philip Kostka's NPI number?
The NPI number for Philip Kostka is 1720646409. It was assigned to this individual provider in the NPPES registry on May 29, 2019.
Where is Philip Kostka located?
Philip Kostka practices at 3400 Ministry Pkwy, Weston, WI 54476. The listed phone number is (715) 393-1000.
What is Philip Kostka's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Philip Kostka enrolled in Medicare?
Yes. Philip Kostka 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 Philip Kostka's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Philip Kostka reassigns Medicare benefits to 11 organizations: Mchs Hospitals Inc (Weston, WI), Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (Wittenberg, WI), Aspirus Merrill Hospital & Clinics, Inc. (Merrill, WI), Aspirus Stevens Point Hospital & Clinics, Inc. (Stevens Point, WI), Marshfield Clinic Inc (Marshfield, WI) and 6 more organizations, listed in the Medicare section above. 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 Philip Kostka's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Philip Kostka accept?
Health plans from Anthem Blue Cross and Blue Shield list Philip Kostka 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 Philip Kostka affiliated with any hospitals?
According to CMS data, Philip Kostka is affiliated with Aspirus Stevens Point Hospital & Clinics, Inc. and Marshfield Medical Center - Weston.
When was this NPI record last updated?
The NPPES record for Philip Kostka was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Philip J Kostka, MD · NPI 1720646409
Emergency Medicine physician in Weston, Wisconsin. Individual provider, active in the CMS NPPES registry since May 29, 2019.
## Identity
- **NPI:** 1720646409 (Entity type: Individual)
- **Enumerated:** May 29, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 80089-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 3400 MINISTRY PKWY, Weston, WI 54476-5220
- **Phone:** (715) 393-1000
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): Mchs Hospitals Inc (NPI 1992336655, Weston, WI); Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (NPI 1114696507, Wittenberg, WI); Aspirus Merrill Hospital & Clinics, Inc. (NPI 1124084678, Merrill, WI); Aspirus Stevens Point Hospital & Clinics, Inc. (NPI 1679706022, Stevens Point, WI); Marshfield Clinic Inc (NPI 1952347981, Marshfield, WI); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2019
## Record status
- **NPPES last updated:** August 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1720646409) · Data from the CMS NPPES public registry.