KATHARINE VAN FOSSEN M.D.
NPI 1356316483
Obstetrics & Gynecology in Fort Myers, FL
About Katharine Van Fossen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHARINE VAN FOSSEN M.D. (NPI 1356316483) is an individual obstetrics & gynecology provider in Fort Myers, Florida, licensed in Wisconsin (42284-20) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 2
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
Katharine Van Fossen 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
12Medicare enrollment records show Katharine Van Fossen reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fort Myers, FL 33908
- Reassigned Medicare billing, Florida enrollment
- 1,899 clinicians in this Medicare group
Naples, FL 34110
- Reassigned Medicare billing, Florida enrollment
- 683 clinicians in this Medicare group
Mangonia Park, FL 33407
- Reassigned Medicare billing, Florida enrollment
- 237 clinicians in this Medicare group
Greenville, SC 29607
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Obhg Wisconsin Sc
- 58 clinicians in this Medicare group
Milwaukee, WI 53212
- Reassigned Medicare billing, Wisconsin enrollment
- 86 clinicians in this Medicare group
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 clinicians in this Medicare group
Watertown, WI 53094
- Reassigned Medicare billing, Wisconsin enrollment
- 215 clinicians in this Medicare group
Marshall, WI 53559
- Reassigned Medicare billing, Wisconsin enrollment
- 115 clinicians in this Medicare group
Portage, WI 53901
- Reassigned Medicare billing, Wisconsin enrollment
- 359 clinicians in this Medicare group
Wisconsin Rapids, WI 54494
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Aspirus Medical Group, Inc.
- 415 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 33908 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.
FORT MYERS, FL 33908
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 Katharine Van Fossen's NPI number?
The NPI number for Katharine Van Fossen is 1356316483. It was assigned to this individual provider in the NPPES registry on February 22, 2006.
Where is Katharine Van Fossen located?
Katharine Van Fossen practices at 9981 S Healthpark Dr, Fort Myers, FL 33908. The listed phone number is (239) 343-6097.
What is Katharine Van Fossen's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Katharine Van Fossen enrolled in Medicare?
Yes. Katharine Van Fossen 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 Katharine Van Fossen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katharine Van Fossen reassigns Medicare benefits to 12 organizations: Lee Health System Inc (Fort Myers, FL), Ob Hospitalist Group LLC (Naples, FL), Dhp Of Manatee PA (Mangonia Park, FL), Obhg Wisconsin, S.C. (Greenville, SC), Milwaukee Health Services, Inc. (Milwaukee, WI) and 7 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 Katharine Van Fossen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katharine Van Fossen accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health list Katharine Van Fossen 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 Katharine Van Fossen was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Katharine Van Fossen, M.D. · NPI 1356316483
Obstetrics & Gynecology physician in Fort Myers, Florida. Individual provider, active in the CMS NPPES registry since February 22, 2006.
## Identity
- **NPI:** 1356316483 (Entity type: Individual)
- **Enumerated:** February 22, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 42284-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9981 S HEALTHPARK DR, Fort Myers, FL 33908-3618
- **Phone:** (239) 343-6097 · **Fax:** (855) 818-4732
## 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:** 12 organizations under Medicare reassignment (form CMS-855R): Lee Health System Inc (NPI 1942058557, Fort Myers, FL); Ob Hospitalist Group LLC (NPI 1811652704, Naples, FL); Dhp Of Manatee PA (NPI 1134771611, Mangonia Park, FL); Obhg Wisconsin, S.C. (NPI 1699273862, Greenville, SC); Milwaukee Health Services, Inc. (NPI 1518005818, Milwaukee, WI); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** February 18, 2026
- **Other identifiers:** Medicaid 127896100 (FL); Medicaid 33336700 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1356316483) · Data from the CMS NPPES public registry.