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KERI L KNAACK CRNA
NPI 1407833866
Nurse Anesthetist, Certified Registered in Eau Claire, WI

Active since December 28, 2005PECOS EnrolledAccepts Medicare Assignment
2116 CRAIG RD, EAU CLAIRE, WI 54701(715) 858-4610 Get Directions Write a Review

NPPES record last updated: November 6, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 6, 2025, Jul 9, 2024 (2 updates tracked since 2024).

About Keri L Knaack Crna NPPES

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

KERI L KNAACK CRNA (NPI 1407833866) is an individual nurse anesthetist, certified registered in Eau Claire, Wisconsin, licensed in Wisconsin (3401-33) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS, is affiliated with Oakleaf Surgical Hospital, and maintains a secondary practice location in Eau Claire.

NPPES Registry Identity

NPI1407833866
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameKERI L KNAACKCredential: CRNA
Location Address2116 CRAIG RDEau Claire, WI 54701-6118
Mailing Address1000 N Oak AveMarshfield, WI 54449-5703 · (715) 387-5511 · Fax (715) 834-3087
Phone(715) 858-4610
Sole ProprietorYes
Medical School CMSOtherGraduated 2005
Enumeration DateDecember 28, 2005
Last NPPES UpdateNovember 6, 20252 updates tracked since enumeration
NPPES CertifiedNovember 6, 2025
✔ NPI 1407833866 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses✔ Licensed in WI · 3401-33✔ Licensed in WI · 115369✔ Licensed in WI · 073619
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
2116 CRAIG RD, Eau Claire, WI 54701
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Other Names 1

Former Name (1)Keri L Bliss

Secondary Practice Location 1

Location 11221 Whipple StEau Claire, WI 54703-5270 · Phone (715) 838-3311

Other Identifiers 1

Medicaid44344800WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Sanford Health Plan.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

Keri L Knaack Crna 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 ID8921029752
PECOS Enrollment IDI20051208000474
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

8

Medicare enrollment records show Keri Knaack reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mchs Hospitals Inc
0.1 mi
Clinic/Center
2310 CRAIG RD
Eau Claire, WI 54701
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1952890873 (Wisconsin)
  • 2,476 clinicians in this Medicare group
NPI 1316416035 (715) 858-8100
Chippewa Valley Anesthesia Associates, S.C.
3.7 mi
Anesthesiology
1000 OAKLEAF WAY
Altoona, WI 54720
  • Reassigned Medicare billing, Wisconsin enrollment
  • 32 clinicians in this Medicare group
NPI 1336751023 (800) 635-6197
Independent Surgery Center LLC
7.9 mi
Ambulatory Surgical
2751 COMMERCIAL BLVD, SUITE 7
Chippewa Falls, WI 54729
  • Reassigned Medicare billing, Wisconsin enrollment
  • 17 clinicians in this Medicare group
NPI 1922316835 (715) 797-8310
Lakeview Medical Center Inc Of Rice Lake
36 mi
Clinic/Center
806 2ND ST
Chetek, WI 54728
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,616 clinicians in this Medicare group
NPI 1659008605 (715) 924-2000
Memorial Hospital Inc
48 mi
Clinic/Center
N3708 RIVER AVE
Neillsville, WI 54456
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1346239373 (Wisconsin)
  • 1,440 clinicians in this Medicare group
NPI 1033701800 (715) 743-3101
Marshfield Clinic Inc
66 mi
Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,540 clinicians in this Medicare group
NPI 1952347981 (715) 387-5511
Flambeau Hospital Inc
94 mi
Clinic/Center
98 SHERRY AVE
Park Falls, WI 54552
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1700963048 (Wisconsin)
  • 1,351 clinicians in this Medicare group
NPI 1194317966 (715) 762-2484
Beaver Dam Community Hosptials Inc
159 mi
Family Medicine
1580 W JAMES ST
Columbus, WI 53925
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Beaver Dam Community Hospitals Inc.
  • 1,447 clinicians in this Medicare group
NPI 1275833659 (920) 350-0235

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 2

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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
38 services36 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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Oakleaf Surgical Hospital

Acute Care Hospitals · Altoona, WI
OwnershipPhysician
CMS Certification Number520196
Location1000 Oakleaf WayAltoona, WI 54720 · Eau Claire County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

ANNA MARIE BYRNE DPT
Physical Therapist
2116 CRAIG RD
EAU CLAIRE, WI 54701
Eau Claire County (715) 858-4500
TRACIE ANNE BUTLER FNP
Nurse Practitioner (Family)
2116 CRAIG RD
EAU CLAIRE, WI 54701
Eau Claire County (715) 858-4560
SETH E BOLLINGER CRNA
Nurse Anesthetist, Certified Registered
2116 CRAIG RD
EAU CLAIRE, WI 54701
Eau Claire County (715) 858-4500
MYLES DAVID KEROACK MD
Internal Medicine (Gastroenterology)
2116 CRAIG RD
EAU CLAIRE, WI 54701
Eau Claire County (715) 858-4500
BRYAN D. POOLER PA
Physician Assistant
2116 CRAIG RD
EAU CLAIRE, WI 54701
Eau Claire County (715) 858-4500
SHANA L VIFIAN RAY M.D.
Psychiatry & Neurology (Sleep Medicine)
2116 CRAIG RD
EAU CLAIRE, WI 54701
Eau Claire County (715) 858-4500
KAREN JOY JOHNSON CNM
Advanced Practice Midwife
2116 CRAIG RD
EAU CLAIRE, WI 54701
Eau Claire County (715) 858-4646
RALPH W FITZ MD
Internal Medicine (Interventional Cardiology)
2116 CRAIG RD
EAU CLAIRE, WI 54701
Eau Claire County (715) 858-4500

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 Keri Knaack's NPI number?

The NPI number for Keri Knaack is 1407833866. It was assigned to this individual provider in the NPPES registry on December 28, 2005. The provider is also known as Keri L Bliss.

Where is Keri Knaack located?

Keri Knaack practices at 2116 Craig Rd, Eau Claire, WI 54701. The listed phone number is (715) 858-4610.

What is Keri Knaack's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Keri Knaack enrolled in Medicare?

Yes. Keri Knaack 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 Keri Knaack's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Keri Knaack reassigns Medicare benefits to 8 organizations: Mchs Hospitals Inc (Eau Claire, WI), Chippewa Valley Anesthesia Associates, S.C. (Altoona, WI), Independent Surgery Center LLC (Chippewa Falls, WI), Lakeview Medical Center Inc Of Rice Lake (Chetek, WI), Memorial Hospital Inc (Neillsville, WI) and 3 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 Keri Knaack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Keri Knaack accept?

Health plans from Sanford Health Plan list Keri Knaack 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 Keri Knaack affiliated with any hospitals?

According to CMS data, Keri Knaack is affiliated with Oakleaf Surgical Hospital.

When was this NPI record last updated?

The NPPES record for Keri Knaack was last updated on November 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.