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DR. WILLIAM J HOLM M.D.
NPI 1164451530
Anesthesiology in Wausau, WI

Active since June 30, 2006PECOS EnrolledAccepts Medicare Assignment
425 PINE RIDGE BLVD, SUITE 211, WAUSAU, WI 54401(715) 845-5505(715) 848-2884 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. William J Holm M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM J HOLM M.D. (NPI 1164451530) is an individual anesthesiology provider in Wausau, Wisconsin, licensed in Wisconsin (46753020) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Aspirus Stevens Point Hospital & Clinics, Inc., and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (2004).

NPPES Registry Identity

NPI1164451530
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. WILLIAM J HOLMCredential: M.D.
Location Address425 PINE RIDGE BLVD, SUITE 211Wausau, WI 54401-4123
Mailing Address425 Pine Ridge Blvd, Suite 211Wausau, WI 54401-4123 · (715) 845-5505 · Fax (715) 848-2884
Phone(715) 845-5505
Fax(715) 848-2884
Sole ProprietorNo
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 2004
Enumeration DateJune 30, 2006
Last NPPES UpdateJuly 9, 2007
✔ NPI 1164451530 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in WI · 46753020
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
425 PINE RIDGE BLVD, Wausau, WI 54401
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Other Identifiers 7

Other34556300WI · Managed Health Care
Medicaid34556300WI
Other92283WI · Security Health Medicaid
Other92283WI · Security Health Plan
OtherP00143615WI · Medicare Railroad
OtherHOLMWI · Wps
Medicare UPINI17137WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).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. William J Holm 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.

PECOS PAC ID8921067109
PECOS Enrollment IDI20041004001010
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show William Holm reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Central Wisconsin Anesthesiology
Same address
Anesthesiology
425 PINE RIDGE BOULEVARD, SUITE 211
Wausau, WI 54401
  • Reassigned Medicare billing, Wisconsin enrollment
  • 53 clinicians in this Medicare group
NPI 1518999648 (715) 845-5505
Aspirus Medical Group, Inc.
0.5 mi
Podiatric
3200 WESTHILL DR STE 2200
Wausau, WI 54401
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Aspirus Riverview Hospital & Clinics Inc
  • 397 clinicians in this Medicare group
NPI 1689976474 (715) 675-3231
Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.
26 mi
Clinic/Center
1660 SUE ALAN DR
Wittenberg, WI 54499
  • Reassigned Medicare billing, Wisconsin enrollment
  • 935 clinicians in this Medicare group
NPI 1114696507 (715) 253-2110
Aspirus Stevens Point Hospital & Clinics, Inc.
30 mi
Clinic/Center
209 PRENTICE STREET NORTH
Stevens Point, WI 54481
  • Reassigned Medicare billing, Wisconsin enrollment
  • 619 clinicians in this Medicare group
NPI 1679706022 (715) 345-5300
Bellin Anesthesia Associates, S.C.
88 mi
Pain Medicine
744 S WEBSTER AVE
Green Bay, WI 54301
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Bellin Anesthesia Associates Sc
  • 61 clinicians in this Medicare group
NPI 1558318410 (920) 433-3500

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 8

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.

Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
27 services26 patients
Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
20 services20 patients
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447
This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.
18 services18 patients
Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 64415
This procedure involves injecting a numbing agent or steroid into your arm's nerve bundle. It's done to manage pain or inflammation. The injection helps block nerve signals that cause discomfort, providing relief. It's a safe, common procedure.
12 services12 patients
Anesthesia for procedure to assess heart electrical activity 00537
Anesthesia for a procedure to assess heart electrical activity helps ensure comfort and relaxation. It involves administering medication that either numbs a specific area or makes you sleep temporarily. This allows doctors to safely examine your heart's electrical signals without causing discomfort.
11 services11 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
11 services11 patients

Hospital Affiliations CMS Care Compare 3

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, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520002
Location900 Illinois AveStevens Point, WI 54481 · Portage County
Emergency services Birthing friendly

Aspirus Wausau Hospital

Acute Care Hospitals · Wausau, WI
4/5 CMS rating
OwnershipProprietary
CMS Certification Number520030
Location333 Pine Ridge BlvdWausau, WI 54401 · Marathon County
Emergency services Birthing friendly

Aspirus Riverview Hospital & Clinics Inc

Acute Care Hospitals · Wisconsin Rapids, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520033
Location410 Dewey StWisconsin Rapids, WI 54495 · Wood County
Emergency services

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.

LAURA B. SOLVERUD CRNA
Nurse Anesthetist, Certified Registered
425 PINE RIDGE BLVD, STE 211
WAUSAU, WI 54401
Marathon County (715) 845-5505
ELLIOTT ADENT
Nurse Anesthetist, Certified Registered
425 PINE RIDGE BLVD, SUITE 211
WAUSAU, WI 54401
Marathon County (715) 845-5505
JEFFREY A KURTZ MD
Plastic Surgery
425 PINE RIDGE BLVD, SUITE 205
WAUSAU, WI 54401
Marathon County (715) 847-0444
STEVE HENKENS CRNA
Nurse Anesthetist, Certified Registered
425 PINE RIDGE BLVD, SUITE 211
WAUSAU, WI 54401
Marathon County (715) 845-5505
ASPIRUS MEDICAL GROUP, INC.
Clinic/Center
425 PINE RIDGE BLVD, SUITE 220A
WAUSAU, WI 54401
Marathon County (715) 847-2070
NAM D DOAN M.D.
Anesthesiology
425 PINE RIDGE BLVD, SUITE 211
WAUSAU, WI 54401
Marathon County (715) 845-5505
JON M FRAZIER
Nurse Anesthetist, Certified Registered
425 PINE RIDGE BLVD, STE 211
WAUSAU, WI 54401
Marathon County (715) 845-5505
JAMES KAROW CRNA
Nurse Anesthetist, Certified Registered
425 PINE RIDGE BLVD, SUITE 211
WAUSAU, WI 54401
Marathon County (715) 845-5505

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 William Holm's NPI number?

The NPI number for William Holm is 1164451530. It was assigned to this individual provider in the NPPES registry on June 30, 2006.

Where is William Holm located?

William Holm practices at 425 Pine Ridge Blvd Suite 211, Wausau, WI 54401. The listed phone number is (715) 845-5505.

What is William Holm's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is William Holm enrolled in Medicare?

Yes. William Holm 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 William Holm's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Holm reassigns Medicare benefits to 5 organizations: Central Wisconsin Anesthesiology (Wausau, WI), Aspirus Medical Group, Inc. (Wausau, WI), Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (Wittenberg, WI), Aspirus Stevens Point Hospital & Clinics, Inc. (Stevens Point, WI) and Bellin Anesthesia Associates, S.C. (Green Bay, WI). 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 William Holm's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Holm accept?

Health plans from CareSource (Common Ground Healthcare) list William Holm 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 William Holm affiliated with any hospitals?

According to CMS data, William Holm is affiliated with Aspirus Stevens Point Hospital & Clinics, Inc., Aspirus Wausau Hospital and Aspirus Riverview Hospital & Clinics Inc.

When was this NPI record last updated?

The NPPES record for William Holm was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.