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THOMAS G LEWISON CRNA
NPI 1790034742
Nurse Anesthetist, Certified Registered in Montevideo, MN

Active since September 06, 2012PECOS EnrolledAccepts Medicare Assignment
824 N 11TH ST, MONTEVIDEO, MN 56265(320) 269-8877(320) 269-8186 Get Directions Write a Review

NPPES record last updated: January 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Thomas G Lewison Crna NPPES

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

THOMAS G LEWISON CRNA (NPI 1790034742) is an individual nurse anesthetist, certified registered in Montevideo, Minnesota, licensed in Minnesota (R169007-9) and active in the NPI registry since September 2012. He is enrolled in Medicare PECOS, is affiliated with Sanford Worthington Medical Center, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1790034742
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameTHOMAS G LEWISONCredential: CRNA
Location Address824 N 11TH STMontevideo, MN 56265-1629
Mailing Address824 N 11th StMontevideo, MN 56265-1629 · (320) 269-8877 · Fax (320) 269-8186
Phone(320) 269-8877
Fax(320) 269-8186
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateSeptember 6, 2012
Last NPPES UpdateJanuary 29, 2026
NPPES CertifiedJanuary 29, 2026
✔ NPI 1790034742 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 MN · R169007-9✔ Licensed in SD · CR000928
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.
824 N 11TH ST, Montevideo, MN 56265
Open in Google Maps ↗

Other Identifiers 1

Medicaid1790034742MN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc., Wellmark of South Dakota, Inc..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

Thomas G Lewison 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 ID3779733928
PECOS Enrollment IDI20121024000110, I20260429001862
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

9

Medicare enrollment records show Thomas Lewison reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ccm Health
1.2 mi
Critical Access
824 N 11TH ST
Montevideo, MN 56265
  • Reassigned Medicare billing, Minnesota enrollment
  • 114 clinicians in this Medicare group
NPI 1720086028 (320) 269-8877
Avera Granite Falls
13 mi
Family Medicine
345 10TH AVE
Granite Falls, MN 56241
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1700429610 (Minnesota)
  • 82 clinicians in this Medicare group
NPI 1700429644 (320) 564-3111
Avera Marshall
17 mi
Optometrist
878 6TH ST
Dawson, MN 56232
  • Reassigned Medicare billing, Minnesota enrollment
  • 260 clinicians in this Medicare group
NPI 1396513370 (320) 769-2977
Sanford Health Network
32 mi
Rural Health
112 SAINT OLAF AVE S
Canby, MN 56220
  • Reassigned Medicare billing, Minnesota and South Dakota enrollments
  • Also billed through NPI 1013921733 (South Dakota), NPI 1134140825 (South Dakota)
  • 279 clinicians in this Medicare group
NPI 1437243607 (507) 223-7221
Stevens Community Medical Center Inc
45 mi
Multi-Specialty
400 EAST 1ST STREET
Morris, MN 56267
  • Reassigned Medicare billing, Minnesota enrollment
  • 143 clinicians in this Medicare group
NPI 1366543662 (320) 589-1313
Glacial Ridge Hospital District
46 mi
Rural Health
496 S MAIN ST
Starbuck, MN 56381
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1538178520 (Minnesota)
  • 111 clinicians in this Medicare group
NPI 1063952026 (320) 634-4521
Centracare Clinic Melrose
66 mi
Multi-Specialty
525 W MAIN ST
Melrose, MN 56352
  • Reassigned Medicare billing, Minnesota enrollment
  • Medicare enrollment name: Centracare Clinic
  • 1,051 clinicians in this Medicare group
NPI 1629070230 (320) 256-4228
Astera Health
95 mi
Rural Health
401 DOUGLAS AVE
Henning, MN 56551
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1871546663 (Minnesota)
  • 187 clinicians in this Medicare group
NPI 1194711986 (218) 583-2953
Sanford Health Of Northern Minnesota
158 mi
Physical Therapy
106 5TH ST SOUTH
Walker, MN 56484
  • Reassigned Medicare billing, Minnesota enrollment
  • 607 clinicians in this Medicare group
NPI 1902261456 (218) 547-1900

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 3

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

Sanford Worthington Medical Center

Acute Care Hospitals · Worthington, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number240022
Location1018 Sixth Avenue PO Box 997Worthington, MN 56187 · Nobles County
Emergency services Birthing friendly

Sanford Bemidji Medical Center

Acute Care Hospitals · Bemidji, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240100
Location1300 Anne St NWBemidji, MN 56601 · Beltrami County
Emergency services Birthing friendly

Glacial Ridge Hospital

Critical Access Hospitals · Glenwood, MN
OwnershipGovernment - Hospital District or Authority
CMS Certification Number241376
Location10 4th Avenue SoutheastGlenwood, MN 56334 · Pope County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 56265 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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$69.74 typical visit price
range $18.32 – $138.04
Typical copayment $17.43 (range $4.58 – $34.51)
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.

LISA MARIE SANDVEN CHW
Community Health Worker
824 N 11TH ST
MONTEVIDEO, MN 56265
Chippewa County (320) 321-8147
DR. BRUCE WESLEY ARVOLD M.D.
Family Medicine
824 N 11TH ST
MONTEVIDEO, MN 56265
Chippewa County (320) 269-8877
JERRY DURFEE CRNA
Nurse Anesthetist, Certified Registered
824 N 11TH ST
MONTEVIDEO, MN 56265
Chippewa County (952) 442-9770
SHAYNA MARIE LOVDAHL PA-C
Physician Assistant
824 N 11TH ST
MONTEVIDEO, MN 56265
Chippewa County (320) 321-8422
GRETCHEN A REEVES MA, SLP-CCC
Speech-Language Pathologist
824 N 11TH ST
MONTEVIDEO, MN 56265
Chippewa County (320) 269-8877
MARCIE SCHMIESING FNP
Nurse Practitioner (Family)
824 N 11TH ST
MONTEVIDEO, MN 56265
Chippewa County (320) 269-8877
MISS SHEENA KAY DAUER DPT
Physical Therapist
824 N 11TH ST
MONTEVIDEO, MN 56265
Chippewa County (320) 269-8877
KELLY DAWN DEGROTE BSN, RN, PED-BC, CDC
Registered Nurse (Diabetes Educator)
824 N 11TH ST
MONTEVIDEO, MN 56265
Chippewa County (320) 269-8877

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 Thomas Lewison's NPI number?

The NPI number for Thomas Lewison is 1790034742. It was assigned to this individual provider in the NPPES registry on September 6, 2012.

Where is Thomas Lewison located?

Thomas Lewison practices at 824 N 11th St, Montevideo, MN 56265. The listed phone number is (320) 269-8877.

What is Thomas Lewison's specialty?

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

Is Thomas Lewison enrolled in Medicare?

Yes. Thomas Lewison 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 Thomas Lewison's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Lewison reassigns Medicare benefits to 9 organizations: Ccm Health (Montevideo, MN), Avera Granite Falls (Granite Falls, MN), Avera Marshall (Dawson, MN), Sanford Health Network (Canby, MN), Stevens Community Medical Center Inc (Morris, MN) and 4 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 Thomas Lewison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Lewison accept?

Health plans from Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Thomas Lewison 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 Thomas Lewison affiliated with any hospitals?

According to CMS data, Thomas Lewison is affiliated with Sanford Worthington Medical Center, Sanford Bemidji Medical Center and Glacial Ridge Hospital.

When was this NPI record last updated?

The NPPES record for Thomas Lewison was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.