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

MARK CLAUS SNYDER M.D.
NPI 1821087883
Anesthesiology in Missoula, MT

Active since October 20, 2005PECOS Enrolled
3550 MULLAN RD, SUITE 103, MISSOULA, MT 59808(406) 728-8420 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark Claus Snyder M.d. NPPES

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

MARK CLAUS SNYDER M.D. (NPI 1821087883) is an individual anesthesiology provider in Missoula, Montana, licensed in Montana (8660) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with St. Patrick Hospital, and is a graduate of Baylor College Of Medicine (1986).

NPPES Registry Identity

NPI1821087883
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameMARK CLAUS SNYDERCredential: M.D.
Location Address3550 MULLAN RD, SUITE 103Missoula, MT 59808-5168
Mailing AddressPo Box 17527Missoula, MT 59808-7527 · (406) 728-8420
Phone(406) 728-8420
Sole ProprietorNo
Medical School CMSBaylor College Of MedicineGraduated 1986
Enumeration DateOctober 20, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1821087883 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MT · 8660
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
3550 MULLAN RD, Missoula, MT 59808
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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.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

Mark Claus Snyder M.d. 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 ID3173564184
PECOS Enrollment IDI20050519001085
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 7

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 other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
23 services23 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
19 services19 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
17 services17 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.
14 services13 patients
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.
13 services13 patients
Anesthesia for other procedure on neck area (1 year or older) 00320
Anesthesia for a procedure on the neck area is a medical service provided to ensure you remain comfortable and pain-free during the operation. It involves administering medication to numb the neck region or to induce sleep. The method chosen depends on the specific procedure and your overall health.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

St. Patrick Hospital

Acute Care Hospitals · Missoula, MT
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number270014
Location500 W BroadwayMissoula, MT 59806 · Missoula County
Emergency services Birthing friendly

Community Medical Center

Acute Care Hospitals · Missoula, MT
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270023
Location2827 Fort Missoula RdMissoula, MT 59804 · Missoula County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TERESA ANN GARLAND M.D.
Anesthesiology
3550 MULLAN RD, SUITE 103
MISSOULA, MT 59808
Missoula County (406) 728-8420
ALISTAIR JAMES MACDONALD M.D.
Anesthesiology
3550 MULLAN RD, SUITE 103
MISSOULA, MT 59808
Missoula County (406) 728-8420
BRUCE ALLEN BOLLEN M.D.
Anesthesiology
3550 MULLAN RD, SUITE 103
MISSOULA, MT 59808
Missoula County (406) 728-8420
JOHN KIRKEIDE M.D.
Anesthesiology
3550 MULLAN RD, SUITE 103
MISSOULA, MT 59808
Missoula County (406) 728-8420
STEVEN MARK HULSEY M.D.
Anesthesiology
3550 MULLAN RD, SUITE 103
MISSOULA, MT 59808
Missoula County (406) 728-8420
PETER BRINKLEY M.D.
Anesthesiology
3550 MULLAN RD, SUITE 103
MISSOULA, MT 59808
Missoula County (406) 728-8420
GREGAR HOWARD LIND M.D.
Anesthesiology
3550 MULLAN RD, SUITE 103
MISSOULA, MT 59808
Missoula County (406) 728-8420
FRED FLEMING M.D.
Anesthesiology
3550 MULLAN RD, SUITE 103
MISSOULA, MT 59808
Missoula County (406) 728-8420

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 Mark Snyder's NPI number?

The NPI number for Mark Snyder is 1821087883. It was assigned to this individual provider in the NPPES registry on October 20, 2005.

Where is Mark Snyder located?

Mark Snyder practices at 3550 Mullan Rd Suite 103, Missoula, MT 59808. The listed phone number is (406) 728-8420.

What is Mark Snyder's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Mark Snyder enrolled in Medicare?

Yes. Mark Snyder 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 Mark Snyder accept?

Health plans from Blue Cross and Blue Shield of Montana and Mountain Health CO-OP list Mark Snyder 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 Mark Snyder affiliated with any hospitals?

According to CMS data, Mark Snyder is affiliated with St. Patrick Hospital and Community Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Snyder 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 28 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.