JOHN BOLINGER ESTER MD
NPI 1063527547
Obstetrics & Gynecology in Minocqua, WI
About John Bolinger Ester Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN BOLINGER ESTER MD (NPI 1063527547) is an individual obstetrics & gynecology provider in Minocqua, Wisconsin, licensed in Wisconsin (46573-20) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Madison.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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 (PECOS)
John Bolinger Ester Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
13Medicare enrollment records show John Ester reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Woodruff, WI 54568
- Reassigned Medicare billing, Wisconsin enrollment
- 935 clinicians in this Medicare group
Woodruff, WI 54568
- Reassigned Medicare billing, Wisconsin enrollment
- 415 clinicians in this Medicare group
Minocqua, WI 54548
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1952890873 (Wisconsin)
- 2,476 clinicians in this Medicare group
Rhinelander, WI 54501
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Langlade Hospital - Hotel Dieu Of St Joseph Of Antigo Wisconsin
- Also billed through NPI 1821151366 (Wisconsin)
- 321 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
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
Chetek, WI 54728
- Reassigned Medicare billing, Wisconsin enrollment
- 1,616 clinicians in this Medicare group
Waupun, WI 53963
- Reassigned Medicare billing, Wisconsin enrollment
- 1,447 clinicians in this Medicare group
Madison, WI 53715
- Reassigned Medicare billing, Wisconsin enrollment
- 1,377 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 54548 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.
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 John Ester's NPI number?
The NPI number for John Ester is 1063527547. It was assigned to this individual provider in the NPPES registry on August 21, 2006.
Where is John Ester located?
John Ester practices at 9576 Hwy 70, Minocqua, WI 54548. The listed phone number is (715) 358-1000.
What is John Ester's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is John Ester enrolled in Medicare?
Yes. John Ester is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Ester's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Ester reassigns Medicare benefits to 13 organizations: Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (Woodruff, WI), Aspirus Medical Group, Inc. (Woodruff, WI), Mchs Hospitals Inc (Minocqua, WI), Aspirus Medical Group, Inc. (Rhinelander, WI), Flambeau Hospital Inc (Park Falls, WI) and 8 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 John Ester's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Ester accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health list John Ester 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 John Ester was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.