DR. TIMOTHY ALBERT DUMONTIER M.D.
NPI 1194774877
Orthopaedic Surgery - Foot and Ankle Surgery in Olympia, WA

NPI Status: Active since May 09, 2006

Contact Information

3901 CAPITAL MALL DR SW
STE A
OLYMPIA, WA
ZIP 98502
Phone: (360) 455-5144
Fax: (360) 491-6328

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  • Individual
  • Male
  • Years of Experience 29
  • Orthopaedic Surgery
  • Foot and Ankle Surgery
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About TIMOTHY DUMONTIER

This page provides the complete NPI Profile along with additional information for Timothy Dumontier, a provider established in Olympia, Washington with a medical specialization in Orthopaedic Surgery, focusing in foot and ankle surgery and more than 29 years of experience. He graduated from University Of Washington School Of Medicine in 1997. The healthcare provider is registered in the NPI registry with number 1194774877 assigned on May 2006. The practitioner's primary taxonomy code is 207XX0004X with license number MD60489288 (WA). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1194774877
Provider Name
DR. TIMOTHY ALBERT DUMONTIER M.D.
Gender
Male
Entity Type
Individual
Location Address
3901 CAPITAL MALL DR SW STE A OLYMPIA, WA 98502
Location Phone
(360) 455-5144
Location Fax
(360) 491-6328
Mailing Address
PO BOX 368 OLYMPIA, WA 98507
Mailing Phone
(360) 491-8439
Mailing Fax
(360) 491-6328
Medical School Name
UNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduation Year
1997
Is Sole Proprietor?
No
Enumeration Date
05-09-2006
Last Update Date
05-27-2026
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Location Map

Secondary Locations

  • 3901 Capital Mall Dr SW Ste B
    Olympia, WA 98502
    (360) 528-8571

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Orthopaedic Surgery Foot and Ankle Surgery

Taxonomy Code
207XX0004X
Type
Allopathic & Osteopathic Physicians
License No.
MD60489288
License State
WA
Taxonomy Description
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, foot and ankle surgeons deal with adult reconstructive foot and ankle surgery, adult foot and ankle trauma, sports medicine foot and ankle, and children's foot and ankle reconstructive surgery.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Core Bronze HSA 10600 - EPO
  • Core Bronze HSA 7500 - EPO
  • Core Bronze HSA 8300 - EPO
  • Core Gold 1500 - EPO
  • Core Gold 3000 - EPO
  • Core Silver 3500 - EPO
  • Core Silver 4500 - EPO
  • Core Silver 5000 - EPO
  • Core Silver 7500 - EPO
  • Core Standard Expanded Bronze HSA - EPO
  • Core Standard Gold - EPO
  • Core Standard Silver - EPO
  • PacificSource Oregon Standard Bronze HSA Plan Core - EPO
  • PacificSource Oregon Standard Gold Plan Core - EPO
  • PacificSource Oregon Standard Silver Plan Core - EPO
  • Premera Blue Cross Alaska One Gold - PPO
  • Premera Blue Cross Preferred Bronze 5800 HSA - PPO
  • Premera Blue Cross Preferred Bronze 6350 - PPO
  • Premera Blue Cross Preferred Gold 1500 - PPO
  • Premera Blue Cross Preferred Silver 4500 - PPO
  • Premera Blue Cross Standard Bronze II - PPO
  • Premera Blue Cross Standard Gold - PPO
  • Premera Blue Cross Standard Silver - PPO
  • Premera Blue Cross Family Dental - PPO
  • Premera Blue Cross Pediatric Dental - PPO
  • HSA Qualified 7500 Bronze - Choice Network - EPO
  • HSA-E Qualified 7500 Bronze - Signature Network - EPO
  • Providence Oregon Standard Bronze Plan - Choice Network - EPO
  • Providence Oregon Standard Bronze Plan - Signature Network - EPO
  • Providence Oregon Standard Gold Plan - Choice Network - EPO
  • Providence Oregon Standard Gold Plan - Signature Network - EPO
  • Providence Oregon Standard Silver Plan - Choice Network - EPO
  • Providence Oregon Standard Silver Plan - Signature Network - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Timothy Dumontier is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Timothy Dumontier is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 6305863390

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20141126001655

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Orthotic Devices

  • DME-Orthotic Devices (DF003N)

    Ankle orthosis, ankle gauntlet or similar, with or without joints, prefabricated, off-the-shelf (HCPCS:L1902)

    1 DME suppliers used 30 Medicare Claims 30 Services Paid

  • DME-Orthotic Devices (DF003N)

    Afo, rigid anterior tibial section, total carbon fiber or equal material, prefabricated, includes fitting and adjustment (HCPCS:L1932)

    1 DME suppliers used 21 Medicare Claims 21 Services Paid

  • DME-Orthotic Devices (DF003N)

    Walking boot, pneumatic and/or vacuum, with or without joints, with or without interface material, prefabricated, off-the-shelf (HCPCS:L4361)

    1 DME suppliers used 48 Medicare Claims 48 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Application of short leg cast

The application of a short leg cast is a procedure to stabilize and support the lower leg or foot after an injury. A special material is wrapped around the leg, hardening to form a protective shell. This helps to keep the bones in place, reduce pain, and promote healing.

This service was performed 21 times for 13 patients

Application of short leg splint from calf to foot

A short leg splint is a support device applied from the calf to the foot. It's used to immobilize, protect, and support an injured leg or foot, promoting healing. It's typically made of plaster or fiberglass, padded for comfort, and secured with bandages.

This service was performed 19 times for 16 patients

Cast supplies, short leg cast, adult (11 years +), fiberglass

A short leg cast, made of fiberglass, is used for adults and children aged 11 and up. It's a supportive structure for the lower leg, often used when a bone is broken. The fiberglass material is lightweight, durable, and can be molded to fit your leg comfortably.

This service was performed 20 times for 13 patients

Cast supplies, short leg splint, adult (11 years +), plaster

A short leg splint, made from plaster, is applied to an adult or a child aged 11+ to support and immobilize an injured leg. It aids in healing by preventing movement, reducing pain and swelling. Cast supplies are used to apply, adjust, or remove the splint.

This service was performed 19 times for 16 patients

Correction of toe joint deformity

Correction of toe joint deformity is a procedure to fix misshapen toe joints. This can involve realigning the bones, removing bone or tissue, or implanting devices to improve joint function. It can help reduce pain and improve mobility.

This service was performed 13 times for 11 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more

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.

This service was performed 232 times for 173 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more

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.

This service was performed 329 times for 253 patients

Lengthening of calf muscle

Lengthening of the calf muscle is a procedure aimed at increasing flexibility and improving motion in the foot and ankle. This surgical process involves making a small incision to release the tight muscle or tendon, aiding in better mobility.

This service was performed 29 times for 27 patients

Lengthening or shortening of tendon of leg or ankle

Tendon lengthening or shortening in the leg or ankle is a surgical procedure aimed at improving mobility and reducing pain. It involves adjusting the length of the tendon to optimize muscle function. This can help treat conditions like flat foot, tight tendons, or muscle imbalance.

This service was performed 13 times for 12 patients

Mri scan of leg joint without contrast

An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.

This service was performed 46 times for 45 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more

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.

This service was performed 115 times for 115 patients

Reconstruction of ankle joint with prosthesis

Reconstruction of the ankle joint with a prosthesis is a surgical procedure to replace a damaged ankle with an artificial joint. This is done to alleviate pain, improve mobility, and restore function in individuals with severe ankle conditions.

This service was performed 11 times for 11 patients

Removal of deep implant from bone

This procedure involves the careful extraction of an implant deeply embedded in a bone. A specialist makes a small incision, then utilizes precise instruments to reach and safely remove the implant. The area is then closed and monitored for healing.

This service was performed 14 times for 12 patients

Treatment of ligament tear at ankle joint

Treatment for an ankle ligament tear focuses on relieving pain and restoring mobility. This may involve rest, ice, compression, and elevation (RICE). In some cases, physical therapy exercises help strengthen the muscles. Severe tears might require surgical repair, followed by a period of rehabilitation.

This service was performed 11 times for 11 patients

X-ray of ankle, 2 views

An X-ray of the ankle, 2 views, is a quick, painless test that produces images of the bones and joints in your ankle. Two different angles are used to provide a more complete picture. It helps detect fractures, sprains, arthritis, or other abnormalities. It's safe and typically takes only a few minutes.

This service was performed 355 times for 219 patients

X-ray of ankle, minimum of 3 views

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

This service was performed 205 times for 94 patients

X-ray of foot, 2 views

An X-ray of the foot, 2 views, is a quick, painless test that produces images of the bones and structures inside your foot. Two different angles are used to provide a comprehensive view. This helps doctors diagnose fractures, infections, or other abnormalities.

This service was performed 19 times for 11 patients

X-ray of foot, minimum of 3 views

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

This service was performed 565 times for 297 patients

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Timothy Dumontier is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
PROVIDENCE ST PETER HOSPITAL413 LILLY ROAD NE
OLYMPIA, WA 98506
(360) 491-9480Acute Care Hospitals
GRAYS HARBOR COMMUNITY HOSPITAL915 ANDERSON DRIVE
ABERDEEN, WA 98520
(360) 532-8330Acute Care Hospitals
CAPITAL MEDICAL CENTER3900 CAPITAL MALL DR SW
OLYMPIA, WA 98502
(360) 754-5858Acute Care Hospitals
SUMMIT PACIFIC MEDICAL CENTER600 EAST MAIN STREET
ELMA, WA 98541
(360) 346-2222Critical Access Hospitals
MASON GENERAL HOSPITAL & FAMILY OF CLINICS901 MT VIEW DRIVE
SHELTON, WA 98584
(360) 426-1611Critical Access Hospitals

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1194774877, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
4
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
8
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
7
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 9 → 18 → 9 7 → 14 → 5 4 → 8 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 1 + 1 + 8 + 4 + 1 + 4 + 7 + 8 + 8 + 1 + 4 + 24 = 73

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1194774877.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Orthopaedic Surgery
3901 CAPITAL MALL DR SW, SUITE A
OLYMPIA, WA 98502
Orthopaedic Surgery (Foot and Ankle Surgery)
3901 CAPITAL MALL DR SW, STE A
OLYMPIA, WA 98502
Orthopaedic Surgery
3901 CAPITAL MALL DR SW, STE A
OLYMPIA, WA 98502
Orthopaedic Surgery
3901 CAPITAL MALL DR SW, STE A
OLYMPIA, WA 98502
Occupational Therapist
3901 CAPITAL MALL DR SW, SUITE D
OLYMPIA, WA 98502
Specialist/Technologist, Other
3901 CAPITAL MALL DR SW
OLYMPIA, WA 98502
Physical Therapist
3901 CAPITAL MALL DR SW
OLYMPIA, WA 98502
Physical Therapist
3901 CAPITAL MALL DR SW
OLYMPIA, WA 98502
Physical Therapist
3901 CAPITAL MALL DR SW, STE D
OLYMPIA, WA 98502
Physical Therapy Assistant
3901 CAPITAL MALL DR SW
OLYMPIA, WA 98502
Physical Therapy Assistant
3901 CAPITAL MALL DR SW
OLYMPIA, WA 98502
Occupational Therapist
3901 CAPITAL MALL DR SW, SUITE D
OLYMPIA, WA 98502
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
3901 CAPITAL MALL DR SW, STE A
OLYMPIA, WA 98502
Physical Therapist
3901 CAPITAL MALL DR SW
OLYMPIA, WA 98502
Physical Therapist
3901 CAPITAL MALL DR SW, SUITE D
OLYMPIA, WA 98502
Orthopaedic Surgery
3901 CAPITAL MALL DR SW
OLYMPIA, WA 98502
Registered Nurse (Registered Nurse First Assistant)
3901 CAPITAL MALL DR SW
OLYMPIA, WA 98502
Anesthesiology
3901 CAPITAL MALL DR SW
OLYMPIA, WA 98502
Occupational Therapist
3901 CAPITAL MALL DR SW, SUITE D
OLYMPIA, WA 98502
Anesthesiology
3901 CAPITAL MALL DR SW
OLYMPIA, WA 98502

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1194774877, enumerated as an "individual" on May 09, 2006.

The provider is located at 3901 CAPITAL MALL DR SW STE A OLYMPIA, WA 98502 and the phone number is (360) 455-5144.

Orthopaedic Surgery with taxonomy code 207XX0004X and a focus in Foot and Ankle Surgery.

The provider might be accepting Accepts: PacificSource Health Plans, Premera Blue Cross. Please consult your insurance carrier or call the provider to verify.

Timothy Dumontier is affiliated with: PROVIDENCE ST PETER HOSPITAL, GRAYS HARBOR COMMUNITY HOSPITAL, CAPITAL MEDICAL CENTER, SUMMIT PACIFIC MEDICAL CENTER and MASON GENERAL HOSPITAL & FAMILY OF CLINICS.