BRIAN THOMAS DIMARZIO M.D.
NPI 1922132075
Family Medicine in Grand Junction, CO

Q: What is Brian Dimarzio's NPI number?

The NPI number for Brian Dimarzio is 1922132075. It was assigned to this individual provider in the NPPES registry on March 14, 2007.

Q: What is Brian Dimarzio's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Brian Dimarzio was last updated on December 20, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since March 14, 2007PECOS EnrolledAccepts Medicare Assignment

3150 N 12TH ST, GRAND JUNCTION, CO 81506(970) 255-1576(970) 254-2398 Get Directions Write a Review

NPPES record last updated: December 20, 2019. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 20, 2019, Jun 7, 2017 (2 updates tracked since 2017).

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About Brian Thomas Dimarzio M.d. NPPES

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

BRIAN THOMAS DIMARZIO M.D. (NPI 1922132075) is an individual family medicine provider in Grand Junction, Colorado, licensed in Colorado (0049050) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1922132075

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameBRIAN THOMAS DIMARZIOCredential: M.D.

Location Address3150 N 12TH STGrand Junction, CO 81506-2863

Mailing AddressPo Box 10700Grand Junction, CO 81502-5517 · (970) 254-2642

Phone(970) 255-1576

Fax(970) 254-2398

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateMarch 14, 2007

Last NPPES UpdateDecember 20, 20192 updates tracked since enumeration

✔ NPI 1922132075 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CO · 0049050

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

3150 N 12TH ST, Grand Junction, CO 81506

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Other Identifiers 1

Other11766453Caqh

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Brian Thomas Dimarzio 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 ID6608969225

PECOS Enrollment IDI20110128000648

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.

Medicare Billing Reassignments

Medicare enrollment records show Brian Dimarzio reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St Mary's Hospital And Medical Center, Inc

0.3 mi

Family Medicine

2698 PATTERSON RD UNIT 42
Grand Junction, CO 81506

Reassigned Medicare billing, Colorado enrollment
Medicare enrollment name: St Marys Hospital And Medical Center Inc
117 clinicians in this Medicare group

NPI 1093338840 (970) 298-2800

Intermountain Medical Group Grand Junction, LLC

0.3 mi

Cardiovascular Disease

2686 PATTERSON RD
Grand Junction, CO 81506

Reassigned Medicare billing, Colorado enrollment
438 clinicians in this Medicare group

NPI 1477165702 (970) 298-3050

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

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.

155 services91 patients

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

90 services69 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.

82 services82 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

79 services70 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

70 services36 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

25 services25 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

24 services24 patients

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

20 services20 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 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.

17 services17 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

12 services12 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

12 services12 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.

12 services12 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.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 81506 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

$89.43 typical visit price

range $58.06 – $174.82

Typical copayment $22.35 (range $14.51 – $43.70)

Most-billed visit code 99203

Established Patient

$102.03 typical visit price

range $18.88 – $142.79

Typical copayment $25.50 (range $4.72 – $35.69)

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.

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.

CHRISTINA L MOORE OT

Occupational Therapist

3150 N 12TH ST
GRAND JUNCTION, CO 81506

Mesa County (970) 241-5856

PATRICK HENKE DO

Family Medicine

3150 N 12TH ST
GRAND JUNCTION, CO 81506

Mesa County (970) 245-1220

S. CHRISTOPHER WEAVER MD

Family Medicine

3150 N 12TH ST
GRAND JUNCTION, CO 81506

Mesa County (970) 245-1220

KENT E SNOWBARGER ED.D

Psychologist (Clinical)

3150 N 12TH ST
GRAND JUNCTION, CO 81506

Mesa County (970) 242-5707

MOUNTAIN VALLEY REHABILITATION, PC

Clinic/Center (Physical Therapy)

3150 N 12TH ST, GARDEN LEVEL
GRAND JUNCTION, CO 81506

Mesa County (970) 241-5856

GARY A MILLER LCSW

Social Worker (Clinical)

3150 N 12TH ST
GRAND JUNCTION, CO 81506

Mesa County (970) 242-5707

LACEY R ESTES PA

Physician Assistant

3150 N 12TH ST
GRAND JUNCTION, CO 81506

Mesa County (970) 245-9370

VANESSA R CARTER R.D.

Dietitian, Registered

3150 N 12TH ST
GRAND JUNCTION, CO 81506

Mesa County (970) 255-1576

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 Brian Dimarzio's NPI number?

The NPI number for Brian Dimarzio is 1922132075. It was assigned to this individual provider in the NPPES registry on March 14, 2007.

Where is Brian Dimarzio located?

Brian Dimarzio practices at 3150 N 12th St, Grand Junction, CO 81506. The listed phone number is (970) 255-1576.

What is Brian Dimarzio's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Brian Dimarzio enrolled in Medicare?

Yes. Brian Dimarzio 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.

Which organizations bill Medicare for Brian Dimarzio's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brian Dimarzio reassigns Medicare benefits to 2 organizations: St Mary's Hospital And Medical Center, Inc (Grand Junction, CO) and Intermountain Medical Group Grand Junction, LLC (Grand Junction, CO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Brian Dimarzio's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brian Dimarzio accept?

Health plans from Select Health list Brian Dimarzio 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.

When was this NPI record last updated?

The NPPES record for Brian Dimarzio was last updated on December 20, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.