KAREN TAVOLACCI CRNA
NPI 1609892157
Nurse Anesthetist, Certified Registered in Ann Arbor, MI

Active since July 15, 2006Accepts Medicare Assignment
1500 EAST MEDICAL CENTER DR, 1H247 UNIVERSITY HOSPITAL, ANN ARBOR, MI 48109(734) 936-4280 Get Directions Write a Review

NPPES record last updated: March 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Karen Tavolacci Crna NPPES

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

KAREN TAVOLACCI CRNA (NPI 1609892157) is an individual nurse anesthetist, certified registered in Ann Arbor, Michigan, licensed in Michigan (4704203734) and active in the NPI registry since July 2006. She is affiliated with University Of Michigan Health System, maintains a secondary practice location in Novi, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1609892157
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameKAREN TAVOLACCICredential: CRNA
Location Address1500 EAST MEDICAL CENTER DR, 1H247 UNIVERSITY HOSPITALAnn Arbor, MI 48109-5048
Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 936-2047
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateJuly 15, 2006
Last NPPES UpdateMarch 13, 2026
NPPES CertifiedMarch 13, 2026
✔ NPI 1609892157 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
License✔ Licensed in MI · 4704203734
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.
1500 EAST MEDICAL CENTER DR, Ann Arbor, MI 48109

Other Names 1

Former Name (1)Karen Elaine-tavolacci Holman

Secondary Practice Location 1

Location 146325 W Twelve Mile RdNovi, MI 48377-2456 · Phone (248) 618-2121

Other Identifiers 1

Medicaid4792582MI

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

Karen Tavolacci 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 ID8628096856
PECOS Enrollment IDI20051107000589

Medicare Billing Reassignments

5

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

Nurse Anesthetist, Certified Registered
1500 E MEDICAL CENTER DR
Ann Arbor, MI 48109
  • Reassigned Medicare billing, Michigan enrollment
  • 277 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
775 S MAIN ST
Chelsea, MI 48118
  • Reassigned Medicare billing, Michigan enrollment
  • 62 clinicians in this Medicare group
Anesthesiology
33545 CHERRY HILL RD FL 2
Westland, MI 48186
  • Reassigned Medicare billing, Michigan enrollment
  • 273 clinicians in this Medicare group
Pain Medicine
1749 HAMILTON RD STE 102E
Okemos, MI 48864
  • Reassigned Medicare billing, Michigan enrollment
  • 90 clinicians in this Medicare group
Anesthesiology
4599 TOWNE CENTRE RD
Saginaw, MI 48604
  • Reassigned Medicare billing, Michigan enrollment
  • 178 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.

Hospital Affiliations CMS Care Compare

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

University Of Michigan Health System

Acute Care Hospitals · Ann Arbor, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230046
Location1500 E Medical Center Drive, Spc 5474Ann Arbor, MI 48109 · Washtenaw County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48109 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$72.38 typical visit price
range $18.32 – $143.49
Typical copayment $18.09 (range $4.58 – $35.87)
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.

Internal Medicine
1500 EAST MEDICAL CENTER DR, 3RD FLOOR TAUBMAN CTR RECP B
ANN ARBOR, MI 48109
Anesthesiology
1500 EAST MEDICAL CENTER DR, 1H247 UNIVERSITY HOSPITAL
ANN ARBOR, MI 48109
Physician Assistant
1500 EAST MEDICAL CENTER DR, 2ND FLOOR TAUBMAN CENTER RECP F
ANN ARBOR, MI 48109
Nurse Practitioner
1500 EAST MEDICAL CENTER DR, 3RD FLOOR C.S. MOTT CHILDREN'S HOSPITAL RECP C
ANN ARBOR, MI 48109
Nurse Practitioner (Critical Care Medicine)
1500 EAST MEDICAL CENTER DR, 12TH FLOOR C.S. MOTT CHILDRENS HOSPITAL RM 525
ANN ARBOR, MI 48109
Nurse Anesthetist, Certified Registered
1500 EAST MEDICAL CENTER DR
ANN ARBOR, MI 48109
Internal Medicine
1500 EAST MEDICAL CENTER DR, 3RD FLOOR TAUBMAN RECP B
ANN ARBOR, MI 48109
Pediatrics (Pediatric Hematology-Oncology)
1500 EAST MEDICAL CENTER DR, 7TH FLOOR C.S. MOTT CHILDREN'S HOSPITAL
ANN ARBOR, MI 48109

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 Karen Tavolacci's NPI number?

The NPI number for Karen Tavolacci is 1609892157. It was assigned to this individual provider in the NPPES registry on July 15, 2006. The provider is also known as Karen Elaine-Tavolacci Holman.

Where is Karen Tavolacci located?

Karen Tavolacci practices at 1500 East Medical Center Dr 1h247 University Hospital, Ann Arbor, MI 48109. The listed phone number is (734) 936-4280.

What is Karen Tavolacci's specialty?

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

Is Karen Tavolacci enrolled in Medicare?

Yes. Karen Tavolacci 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 Karen Tavolacci's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Tavolacci reassigns Medicare benefits to 5 organizations: Regents Of The University Of Michigan (Ann Arbor, MI), Chelsea Community Hospital (Chelsea, MI), Anesthesia Associates Of Ann Arbor, PLLC (Westland, MI), Capital Area Anesthesia PC (Okemos, MI) and Resource Anesthesiology Associates Of Mi PC (Saginaw, MI). 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 Karen Tavolacci's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Tavolacci accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Karen Tavolacci 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 Karen Tavolacci affiliated with any hospitals?

According to CMS data, Karen Tavolacci is affiliated with University Of Michigan Health System.

When was this NPI record last updated?

The NPPES record for Karen Tavolacci was last updated on March 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.