1. Home
  2. Directory
  3. Nevada
  4. Winnemucca
  5. Nurse Anesthetist Certified Registered
  6. NPI Profile

THOMAS LAMAR MOURITSEN
NPI 1811537012
Nurse Anesthetist, Certified Registered in Winnemucca, NV

Active since January 15, 2020Accepts Medicare Assignment
71.93/100
CMS Quality Rating
118 E HASKELL ST, WINNEMUCCA, NV 89445(775) 623-5222 Get Directions Write a Review

NPPES record last updated: September 18, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 18, 2025, Jan 15, 2020 (2 updates tracked since 2020).

About Thomas Lamar Mouritsen NPPES

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

THOMAS LAMAR MOURITSEN (NPI 1811537012) is an individual nurse anesthetist, certified registered in Winnemucca, Nevada, licensed in Idaho (202100196CRNA) and active in the NPI registry since January 2020. He is affiliated with St. Alphonsus Medical Center - Baker City, maintains a secondary practice location in Baker City, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1811537012
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameTHOMAS LAMAR MOURITSEN
Location Address118 E HASKELL STWinnemucca, NV 89445-3247
Mailing AddressPo Box 190930Boise, ID 83719-0930 · (208) 367-5170
Phone(775) 623-5222
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJanuary 15, 2020
Last NPPES UpdateSeptember 18, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2025
✔ NPI 1811537012 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 ID · 202100196CRNA✔ Licensed in NV · 826747
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.
118 E HASKELL ST, Winnemucca, NV 89445
Open in Google Maps ↗

Secondary Practice Location 1

Location 13325 Pocahontas RdBaker City, OR 97814-1464 · Phone (541) 523-1797 · Fax (541) 523-1799

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Moda Health Plan, 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 Lamar Mouritsen 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 ID1951738665
PECOS Enrollment IDI20210305000270

Medicare Billing Reassignments

6

Medicare enrollment records show Thomas Mouritsen reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Humboldt General Hospital
Same address
Critical Access
118 E HASKELL ST
Winnemucca, NV 89445
  • Reassigned Medicare billing, Nevada enrollment
  • 45 clinicians in this Medicare group
NPI 1750498010 (775) 623-5222
Harney District Hospital
193 mi
Multi-Specialty
271 N EGAN AVE
Burns, OR 97720
  • Reassigned Medicare billing, Oregon enrollment
  • 81 clinicians in this Medicare group
NPI 1972113306 (541) 573-7281
Blue Mountain Hospital District
246 mi
Critical Access
170 FORD RD
John Day, OR 97845
  • Reassigned Medicare billing, Oregon enrollment
  • 66 clinicians in this Medicare group
NPI 1356414395 (541) 575-1311
Saint Alphonsus Medical Center Baker City, Inc
264 mi
Family Medicine
3325 POCAHONTAS RD
Baker City, OR 97814
  • Reassigned Medicare billing, Oregon enrollment
  • 47 clinicians in this Medicare group
NPI 1881726206 (541) 524-2965
Grande Ronde Hospital, Inc.
301 mi
Critical Access
900 SUNSET DR
La Grande, OR 97850
  • Reassigned Medicare billing, Oregon enrollment
  • 158 clinicians in this Medicare group
NPI 1467446195 (541) 963-1472
Wallowa County Health Care District
303 mi
Rural Health
800 NORTH MAIN ST
Joseph, OR 97846
  • Reassigned Medicare billing, Oregon enrollment
  • Also billed through NPI 1558366229 (Oregon)
  • 40 clinicians in this Medicare group
NPI 1790167831 (541) 432-7777

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

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 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.
18 services17 patients

Hospital Affiliations CMS Care Compare 2

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

St. Alphonsus Medical Center - Baker City

Critical Access Hospitals · Baker City, OR
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number381315
Location3325 Pocahontas RoadBaker City, OR 97814 · Baker County
Emergency services

Grande Ronde Hospital

Critical Access Hospitals · La Grande, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number381321
Location900 Sunset DriveLa Grande, OR 97850 · Union County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89445 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
$131.25 typical visit price
range $57.07 – $173.24
Typical copayment $32.81 (range $14.26 – $43.31)
Most-billed visit code 99204
Established Patient
$71.14 typical visit price
range $18.27 – $140.96
Typical copayment $17.78 (range $4.56 – $35.24)
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.

71.93/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.53
Promoting Interoperability100
Improvement Activities40
Cost10

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.

MRS. YOLANDA ELIZABETH GARDNER APRN
Nurse Practitioner (Acute Care)
118 E HASKELL ST
WINNEMUCCA, NV 89445
Humboldt County (775) 623-5222
MR. RICHARD HARRISON PARAMEDIC
Emergency Medical Technician, Paramedic
118 E HASKELL ST
WINNEMUCCA, NV 89445
Humboldt County (775) 623-5222
GRICELDA JEANETTE SOTO CP AEMT
Emergency Medical Technician, Intermediate
118 E HASKELL ST
WINNEMUCCA, NV 89445
Humboldt County (775) 623-5222
FERGUS JOHN LAUGHRIDGE SR. AEMT
Emergency Medical Technician, Intermediate
118 E HASKELL ST
WINNEMUCCA, NV 89445
Humboldt County (775) 623-5222
ANTHONY PASQUALE
Emergency Medical Technician, Paramedic
118 E HASKELL ST
WINNEMUCCA, NV 89445
Humboldt County (775) 623-5222
HUMBOLDT GENERAL HOSPITAL PHARMACY
Pharmacy (Institutional Pharmacy)
118 E HASKELL ST
WINNEMUCCA, NV 89445
Humboldt County (775) 623-5222
ALBAN DE SCHUTTER M.D.
Internal Medicine (Cardiovascular Disease)
118 E HASKELL ST
WINNEMUCCA, NV 89445
Humboldt County (775) 375-1280
KEN WHITTAKER COMMUNITY PARAMEDIC
Emergency Medical Technician, Paramedic
118 E HASKELL ST
WINNEMUCCA, NV 89445
Humboldt County (775) 623-5222

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 Mouritsen's NPI number?

The NPI number for Thomas Mouritsen is 1811537012. It was assigned to this individual provider in the NPPES registry on January 15, 2020.

Where is Thomas Mouritsen located?

Thomas Mouritsen practices at 118 E Haskell St, Winnemucca, NV 89445. The listed phone number is (775) 623-5222.

What is Thomas Mouritsen's specialty?

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

Is Thomas Mouritsen enrolled in Medicare?

Yes. Thomas Mouritsen 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 Mouritsen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Mouritsen reassigns Medicare benefits to 6 organizations: Humboldt General Hospital (Winnemucca, NV), Harney District Hospital (Burns, OR), Blue Mountain Hospital District (John Day, OR), Saint Alphonsus Medical Center Baker City, Inc (Baker City, OR), Grande Ronde Hospital, Inc. (La Grande, OR) and 1 more organization, 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 Mouritsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Mouritsen accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health and Moda Health Plan, Inc. list Thomas Mouritsen 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 Mouritsen affiliated with any hospitals?

According to CMS data, Thomas Mouritsen is affiliated with St. Alphonsus Medical Center - Baker City and Grande Ronde Hospital.

When was this NPI record last updated?

The NPPES record for Thomas Mouritsen was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.