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CAROLINE LILLIAN THOMAS CRNA
NPI 1427148170
Nurse Anesthetist, Certified Registered in Macomb, MI

Active since October 13, 2006Accepts Medicare Assignment
83.35/100
CMS Quality Rating
46541 TWIN CITY TRL, MACOMB, MI 48044(586) 463-4085 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Caroline Lillian Thomas Crna NPPES

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

CAROLINE LILLIAN THOMAS CRNA (NPI 1427148170) is an individual nurse anesthetist, certified registered in Macomb, Michigan, licensed in Michigan (4704185709) and active in the NPI registry since October 2006. She is affiliated with Ascension St John Hospital and is a graduate of Other (1992).

NPPES Registry Identity

NPI1427148170
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameCAROLINE LILLIAN THOMASCredential: CRNA
Location Address46541 TWIN CITY TRLMacomb, MI 48044-6209
Mailing Address46541 Twin City TrlMacomb, MI 48044-6209 · (586) 463-4085
Phone(586) 463-4085
Sole ProprietorYes
Medical School CMSOtherGraduated 1992
Enumeration DateOctober 13, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1427148170 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 · 4704185709
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.
46541 TWIN CITY TRL, Macomb, MI 48044
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company.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

Caroline Lillian Thomas 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 ID840472270
PECOS Enrollment IDI20110307000680

Medicare Billing Reassignments

4

Medicare enrollment records show Caroline Thomas reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St John Hospital And Medical Center
5.5 mi
Nurse Anesthetist, Certified Registered
26755 BALLARD ST
Harrison Township, MI 48045
  • Reassigned Medicare billing, Michigan enrollment
  • Medicare enrollment name: Henry Ford Health St. John Hospital
  • 132 clinicians in this Medicare group
NPI 1740312685 (583) 753-0011
Asa Staffing Inc
13 mi
Nurse Anesthetist, Certified Registered
1101 W UNIVERSITY DR
Rochester, MI 48307
  • Reassigned Medicare billing, Michigan enrollment
  • 359 clinicians in this Medicare group
NPI 1114378981 (248) 652-5000
Long Lake Anesthesiology Consultants, Plc
15 mi
Anesthesiology
4550 INVESTMENT DR, SUITE 100
Troy, MI 48098
  • Reassigned Medicare billing, Michigan enrollment
  • 131 clinicians in this Medicare group
NPI 1194812651 (800) 581-9044
Superior Anesthetists Associates, Inc.
15 mi
Specialist
4550 INVESTMENT DR, SUITE 100
Troy, MI 48098
  • Reassigned Medicare billing, Michigan enrollment
  • 176 clinicians in this Medicare group
NPI 1831144518 (248) 265-4600

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 injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance 01938
This procedure involves using anesthesia to numb your lower back for certain procedures like injections, drainage, or aspiration on your spine or spinal cord. Imaging guidance is used to accurately locate the area to be treated, ensuring precision and safety.
120 services95 patients
Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 01810
Anesthesia for procedures on the forearm, wrist, and hand involves administering medication to block sensation in these areas. This helps ensure comfort and painlessness during surgeries or treatments involving nerves, muscles, tendons, and tissue in these regions.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Ascension St John Hospital

Acute Care Hospitals · Detroit, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230165
Location22101 Moross RdDetroit, MI 48236 · Wayne County
Emergency services Birthing friendly

Mclaren Macomb

Acute Care Hospitals · Mount Clemens, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230227
Location1000 Harrington StMount Clemens, MI 48043 · Macomb County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48044 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.35/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.06
Promoting Interoperability100
Improvement Activities40
Cost60.61

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 Caroline Thomas's NPI number?

The NPI number for Caroline Thomas is 1427148170. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Where is Caroline Thomas located?

Caroline Thomas practices at 46541 Twin City Trl, Macomb, MI 48044. The listed phone number is (586) 463-4085.

What is Caroline Thomas's specialty?

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

Is Caroline Thomas enrolled in Medicare?

Yes. Caroline Thomas 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 Caroline Thomas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Thomas reassigns Medicare benefits to 4 organizations: St John Hospital And Medical Center (Harrison Township, MI), Asa Staffing Inc (Rochester, MI), Long Lake Anesthesiology Consultants, Plc (Troy, MI) and Superior Anesthetists Associates, Inc. (Troy, 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 Caroline Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Caroline Thomas accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Caroline Thomas 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 Caroline Thomas affiliated with any hospitals?

According to CMS data, Caroline Thomas is affiliated with Ascension St John Hospital and Mclaren Macomb.

When was this NPI record last updated?

The NPPES record for Caroline Thomas was last updated on July 8, 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.