Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. THOMAS J. VIREN MD
NPI 1699745331
Emergency Medicine in Grand Rapids, MN

Active since January 25, 2006PECOS EnrolledAccepts Medicare Assignment
90.32/100
CMS Quality Rating
1601 GOLF COURSE RD, GRAND RAPIDS, MN 55744(218) 326-5000 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Thomas J. Viren Md NPPES

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

DR. THOMAS J. VIREN MD (NPI 1699745331) is an individual emergency medicine provider in Grand Rapids, Minnesota, licensed in Minnesota (44286) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with North Memorial Health Hospital, and is a graduate of University Of Minnesota Medical School (1998).

NPPES Registry Identity

NPI1699745331
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. THOMAS J. VIRENCredential: MD
Location Address1601 GOLF COURSE RDGrand Rapids, MN 55744-8648
Mailing Address1601 Golf Course RdGrand Rapids, MN 55744-8648 · (218) 326-5000
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 1998
Enumeration DateJanuary 25, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1699745331 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in MN · 44286
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1601 GOLF COURSE RD, Grand Rapids, MN 55744

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas J. Viren Md 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 ID5698805216
PECOS Enrollment IDI20100608000944
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.

Areas of Expertise CMS Part B claims 3

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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
61 services60 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
34 services33 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
26 services25 patients

Hospital Affiliations CMS Care Compare 3

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

North Memorial Health Hospital

Acute Care Hospitals · Robbinsdale, MN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240001
Location3300 Oakdale NorthRobbinsdale, MN 55422 · Hennepin County
Emergency services Birthing friendly

Grand Itasca Clinic And Hospital

Acute Care Hospitals · Grand Rapids, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number240064
Location1601 Golf Course RoadGrand Rapids, MN 55744 · Itasca County
Emergency services Birthing friendly

Bigfork Valley Hospital

Critical Access Hospitals · Bigfork, MN
OwnershipGovernment - Hospital District or Authority
CMS Certification Number241316
Location258 Pine Tree DriveBigfork, MN 56628 · Itasca County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55744 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
$85.82 typical visit price
range $56.00 – $168.28
Typical copayment $21.45 (range $14.00 – $42.07)
Most-billed visit code 99203
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
Most-billed visit code 99214
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.

90.32/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality93.18
Promoting Interoperability100
Improvement Activities40
Cost65.92

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.

Nurse Practitioner (Family)
1601 GOLF COURSE RD
GRAND RAPIDS, MN 55744
Non-Pharmacy Dispensing Site
1601 GOLF COURSE RD
GRAND RAPIDS, MN 55744
Student in an Organized Health Care Education/Training Program
1601 GOLF COURSE RD
GRAND RAPIDS, MN 55744
Nurse Practitioner (Psychiatric/Mental Health)
1601 GOLF COURSE RD
GRAND RAPIDS, MN 55744
Family Medicine
1601 GOLF COURSE RD
GRAND RAPIDS, MN 55744
Nurse Practitioner (Family)
1601 GOLF COURSE RD
GRAND RAPIDS, MN 55744
Nurse Practitioner (Family)
1601 GOLF COURSE RD
GRAND RAPIDS, MN 55744
Physician Assistant
1601 GOLF COURSE RD
GRAND RAPIDS, MN 55744

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 Viren's NPI number?

The NPI number for Thomas Viren is 1699745331. It was assigned to this individual provider in the NPPES registry on January 25, 2006.

Where is Thomas Viren located?

Thomas Viren practices at 1601 Golf Course Rd, Grand Rapids, MN 55744. The listed phone number is (218) 326-5000.

What is Thomas Viren's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Thomas Viren enrolled in Medicare?

Yes. Thomas Viren 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.

What insurance does Thomas Viren accept?

Health plans from Medica list Thomas Viren 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 Viren affiliated with any hospitals?

According to CMS data, Thomas Viren is affiliated with North Memorial Health Hospital, Grand Itasca Clinic And Hospital and Bigfork Valley Hospital.

When was this NPI record last updated?

The NPPES record for Thomas Viren was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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.