DR. THOMAS JOSEPH DESMARAIS MD
NPI 1972918639
Surgery - Vascular Surgery in Billings, MT

Q: What is Thomas Desmarais's NPI number?

The NPI number for Thomas Desmarais is 1972918639. It was assigned to this individual provider in the NPPES registry on June 21, 2014.

Q: What is Thomas Desmarais's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Desmarais was last updated on June 24, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 21, 2014PECOS EnrolledAccepts Medicare Assignment

1233 N 30TH ST, BILLINGS, MT 59101(406) 657-7000 Get Directions Write a Review

NPPES record last updated: June 24, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Thomas Joseph Desmarais Md NPPES

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

DR. THOMAS JOSEPH DESMARAIS MD (NPI 1972918639) is an individual vascular surgery provider in Billings, Montana, licensed in Montana (MED-PHYS-LIC-76907) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with St James Healthcare, and is a graduate of Geisel School Of Medicine At Dartmouth (2014).

NPPES Registry Identity

NPI1972918639

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameDR. THOMAS JOSEPH DESMARAISCredential: MD

Location Address1233 N 30TH STBillings, MT 59101-0127

Mailing Address2900 12th Ave N Ste 400eBillings, MT 59101-7514 · (406) 238-6820

Phone(406) 657-7000

Sole ProprietorNo

Medical School CMSGeisel School Of Medicine At DartmouthGraduated 2014

Enumeration DateJune 21, 2014

Last NPPES UpdateJune 24, 2019

✔ NPI 1972918639 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

License✔ Licensed in MT · MED-PHYS-LIC-76907

Definition

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

1233 N 30TH ST, Billings, MT 59101

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, Providence Health Plan.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 Joseph Desmarais 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 ID5496976912

PECOS Enrollment IDI20190814002041

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 19

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.

Established patient office or other outpatient visit, 20-29 minutes 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

159 services136 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

110 services108 patients

Ultrasound study of arm and leg arteries 93922

An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.

91 services72 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

50 services48 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

49 services48 patients

New patient office or other outpatient visit, 45-59 minutes 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

49 services49 patients

Ultrasound of hemodialysis access 93990

An ultrasound of hemodialysis access is a non-invasive procedure that uses sound waves to create images of your dialysis access site. It helps monitor the access site's health and detect any potential issues like blockages or narrowing.

47 services35 patients

New patient office or other outpatient visit, 30-44 minutes 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

43 services43 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

41 services36 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

40 services31 patients

Established patient office or other outpatient visit, 30-39 minutes 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

40 services36 patients

Review by radiologist of arm or leg artery image 75710

This procedure involves a radiologist examining images of your arm or leg arteries. These images are obtained through a non-invasive method, like an ultrasound or CT scan. The radiologist reviews these images to identify any abnormalities, such as blockages or narrowing, which can affect blood flow.

25 services21 patients

Ultrasound of one side of head and neck blood flow 93882

An ultrasound of one side of the head and neck blood flow is a non-invasive procedure that uses sound waves to create images of blood vessels. It helps identify any blockages or abnormalities in blood flow, aiding in early detection of potential health issues.

25 services24 patients

Ultrasound of one leg arteries or artery grafts 93926

An ultrasound of leg arteries or artery grafts is a non-invasive test using sound waves to create images of your blood vessels. This helps doctors assess blood flow, identify blockages, and monitor the health of grafts.

22 services16 patients

Ultrasound scan of abdominal aorta 76706

An ultrasound scan of the abdominal aorta is a non-invasive imaging test. It uses sound waves to create pictures of the main blood vessel in your abdomen, the aorta, to check its size and shape. This helps detect any abnormalities or issues early.

18 services18 patients

Initial hospital inpatient care per day, typically 30 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

16 services16 patients

Removal of blood clot and portion of chest, neck, or brain artery 35301

This procedure involves the removal of a blood clot and a section of an artery in the chest, neck, or brain. It is often necessary to restore normal blood flow, prevent stroke, or alleviate symptoms related to the clot. The procedure is carried out by a skilled medical team.

13 services13 patients

Leg revascularization (restoring blood flow) NAN01

Leg revascularization is a procedure aimed at restoring proper blood flow to your legs. It's often needed when blood vessels in your legs are blocked or narrowed. The process may involve surgery or less invasive methods to remove or bypass blockages, helping to alleviate pain and prevent serious complications.

0 services19 patients

Varicose vein removal NAN08

Varicose vein removal is a procedure to eliminate enlarged and twisted veins, commonly found in legs. It's performed when these veins cause discomfort or skin problems. The procedure may involve laser treatment, sclerotherapy (injecting a solution to close the veins), or surgery to remove the veins. It's generally safe and helps to alleviate symptoms.

0 services1 patient

Hospital Affiliations CMS Care Compare 5

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

St James Healthcare

Acute Care Hospitals · Butte, MT

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270017

Location400 S Clark StButte, MT 59701 · Silver Bow County

Emergency services Birthing friendly

St Vincent Healthcare

Acute Care Hospitals · Billings, MT

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number270049

Location1233 N 30th StBillings, MT 59101 · Yellowstone County

Emergency services Birthing friendly

Bozeman Health Deaconess Hospital

Acute Care Hospitals · Bozeman, MT

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270057

Location915 Highland Blvd Suite 3310Bozeman, MT 59715 · Gallatin County

Emergency services Birthing friendly

Sidney Health Center

Critical Access Hospitals · Sidney, MT

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number271344

Location216 14th Ave SWSidney, MT 59270 · Richland County

Emergency services Birthing friendly

Sheridan Memorial Hospital

Acute Care Hospitals · Sheridan, WY

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number530006

Location1401 W 5th StSheridan, WY 82801 · Sheridan County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59101 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

$87.97 typical visit price

range $56.81 – $172.26

Typical copayment $21.99 (range $14.20 – $43.06)

Most-billed visit code 99203

Established Patient

$70.82 typical visit price

range $18.24 – $140.32

Typical copayment $17.70 (range $4.56 – $35.08)

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.

MONTANA PEDIATRIC CRITICAL CARE, PC

Pediatrics (Pediatric Critical Care Medicine)