GARY DUMONTIER M.D.
NPI 1437192481
Internal Medicine in Washington, MO

Active since June 14, 2006PECOS EnrolledAccepts Medicare Assignment
901 PATIENTS FIRST DR, WASHINGTON, MO 63090(636) 239-7500(636) 239-2836 Get Directions Write a Review

NPPES record last updated: February 12, 2014. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Gary Dumontier M.d. NPPES

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

GARY DUMONTIER M.D. (NPI 1437192481) is an individual internal medicine provider in Washington, Missouri, licensed in Missouri (R7N44) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of University Of Missouri, Columbia School Of Medicine (1989).

NPPES Registry Identity

NPI1437192481
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameGARY DUMONTIERCredential: M.D.
Location Address901 PATIENTS FIRST DRWashington, MO 63090-4700
Mailing Address901 Patients First DrWashington, MO 63090-4700 · (636) 239-7500 · Fax (636) 239-2836
Fax(636) 239-2836
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Columbia School Of MedicineGraduated 1989
Enumeration DateJune 14, 2006
Last NPPES UpdateFebruary 12, 2014
✔ NPI 1437192481 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MO · R7N44
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
901 PATIENTS FIRST DR, Washington, MO 63090

Other Identifiers 7

Medicare PIN011012943
Medicare UPINE43763
Medicaid1437192481MO
Medicare PIN152810068MO
Other110166300Railroad Medicare
Medicare ID-Type Unspecified011012943
Medicaid203315403MO

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

Gary Dumontier 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 ID3971497611
PECOS Enrollment IDI20040823000565
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 10

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 with moderate level of decision making, if using time, 30 minutes or more 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.
525 services236 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
151 services151 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
110 services13 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
90 services85 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
85 services80 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
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.

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Mercy Hospital Washington

Acute Care Hospitals · Washington, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260052
Location901 East 5th StreetWashington, MO 63090 · Franklin County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63090 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
$121.96 typical visit price
range $52.28 – $161.24
Typical copayment $30.49 (range $13.07 – $40.31)
Most-billed visit code 99204
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
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.

Referred Medical Equipment & Supplies CMS DME claims 22

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
4 suppliers14 claims181 services$18.23 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
3 suppliers12 claims360 services$2.37 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
13 suppliers81 claims222 services$6.17 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
9 suppliers32 claims48 services$1.11 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
3 suppliers21 claims21 services$35.54 avg. paid by Medicare
Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003
DME-Other DME · category DE000N
1 supplier12 claims24 services$1.35 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Ophthalmology
901 PATIENTS FIRST DR
WASHINGTON, MO 63090
Physical Therapist
901 PATIENTS FIRST DR, SUITE 2600
WASHINGTON, MO 63090
Nurse Practitioner (Family)
901 PATIENTS FIRST DR
WASHINGTON, MO 63090
Internal Medicine (Hepatology)
901 PATIENTS FIRST DR
WASHINGTON, MO 63090
Family Medicine
901 PATIENTS FIRST DR, SUITE 1200
WASHINGTON, MO 63090
Nurse Practitioner (Adult Health)
901 PATIENTS FIRST DR
WASHINGTON, MO 63090
Clinic/Center (Urgent Care)
901 PATIENTS FIRST DR
WASHINGTON, MO 63090
Pediatrics
901 PATIENTS FIRST DR
WASHINGTON, MO 63090

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 Gary Dumontier's NPI number?

The NPI number for Gary Dumontier is 1437192481. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is Gary Dumontier located?

Gary Dumontier practices at 901 Patients First Dr, Washington, MO 63090. The listed phone number is (636) 239-7500.

What is Gary Dumontier's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Gary Dumontier enrolled in Medicare?

Yes. Gary Dumontier 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 Gary Dumontier accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 5 other insurers list Gary Dumontier 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 Gary Dumontier affiliated with any hospitals?

According to CMS data, Gary Dumontier is affiliated with Mercy Hospital St Louis and Mercy Hospital Washington.

When was this NPI record last updated?

The NPPES record for Gary Dumontier was last updated on February 12, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.