TRISTAN JOSEPH DOW M.D.
NPI 1063503597
Internal Medicine - Cardiovascular Disease in Fort Collins, CO

Q: What is Tristan Dow's NPI number?

The NPI number for Tristan Dow is 1063503597. It was assigned to this individual provider in the NPPES registry on September 28, 2006.

Q: What is Tristan Dow's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Tristan Dow was last updated on December 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 September 28, 2006PECOS EnrolledAccepts Medicare Assignment

2121 E HARMONY RD, SUITE 100, FORT COLLINS, CO 80528(970) 221-1000(970) 297-6860 Get Directions Write a Review

NPPES record last updated: December 1, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Tristan Joseph Dow M.d. NPPES

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

TRISTAN JOSEPH DOW M.D. (NPI 1063503597) is an individual cardiovascular disease provider in Fort Collins, Colorado, licensed in Colorado (47514) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (2003).

NPPES Registry Identity

NPI1063503597

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameTRISTAN JOSEPH DOWCredential: M.D.

Location Address2121 E HARMONY RD, SUITE 100Fort Collins, CO 80528-3400

Mailing Address2121 E Harmony Rd, Suite 100Fort Collins, CO 80528-3400 · (970) 221-1000 · Fax (970) 297-6860

Phone(970) 221-1000

Fax(970) 297-6860

Sole ProprietorNo

Medical School CMSUniversity Of Arizona College Of MedicineGraduated 2003

Enumeration DateSeptember 28, 2006

Last NPPES UpdateDecember 1, 2016

✔ NPI 1063503597 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

Licenses✔ Licensed in CO · 47514✔ Licensed in WY · 9208A✔ Licensed in NE · NE25255

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal MedicineTaxonomy 207R00000X · License DR.0047514 (CO), M3523 (TX)

Also ListedNuclear Medicine · Nuclear CardiologyTaxonomy 207UN0901X · License 47514 (CO)

2121 E HARMONY RD, Fort Collins, CO 80528

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Other Identifiers 4

OtherP00970461CO · Railroad Medicare

Medicare PINCOA104976CO

Medicaid89838815CO

Medicaid1063503597WY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Sunflower Health Plan, Ambetter Health, Ambetter Health of Delaware and more.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

Tristan Joseph Dow 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 ID3870642242

PECOS Enrollment IDI20090902000484, I20130321000341

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 Tristan Dow reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Poudre Valley Health Care Inc.

3.6 mi

General Acute Care Hospital

1024 S LEMAY AVE
Fort Collins, CO 80524

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

NPI 1760492714 (970) 329-9754

Poudre Valley Medical Group, LLC

7.3 mi

General Practice

2695 ROCKY MOUNTAIN AVE, SUITE 150
Loveland, CO 80538

Reassigned Medicare billing, Nebraska and Wyoming enrollments
32 clinicians in this Medicare group

NPI 1366763260 (970) 624-4420

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 35

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.

Anticoagulant management of patient taking warfarin 93793

Anticoagulant management with warfarin involves monitoring and adjusting your medication to prevent blood clots while minimizing the risk of bleeding. Regular blood tests measure your response to warfarin, helping adjust your dose if necessary. It's crucial to maintain a consistent diet and promptly report any changes in your health.

892 services539 patients

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.

600 services455 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

510 services317 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

465 services461 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

277 services275 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

126 services125 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

107 services103 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.

103 services103 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

101 services101 patients

Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days 93297

This service involves remotely monitoring your heart and blood vessel implant system for up to 30 days. Using advanced technology, healthcare professionals can track the device's performance and your health status, ensuring the system is working optimally for your needs.

100 services28 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

83 services83 patients

Remote monitoring of pulmonary artery pressure sensor, up to 30 days 93264

Remote monitoring of pulmonary artery pressure is a procedure where a sensor, placed in your lung artery, transmits data about your heart's function for up to 30 days. This helps doctors monitor your heart health remotely, ensuring timely intervention if needed.

82 services25 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

81 services81 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

74 services74 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

63 services46 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

61 services61 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

52 services52 patients

Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005

An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.

51 services47 patients

Ultrasound of heart with probe in esophagus during surgery on heart or great blood vessels with report 93355

This procedure, known as a transesophageal echocardiogram, involves placing a probe in your esophagus to capture detailed images of your heart during surgery. It helps surgeons monitor heart function and guide treatment. A report will follow.

49 services49 patients

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

42 services16 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

38 services38 patients

Injection, perflutren lipid microspheres, per ml Q9957

Perflutren lipid microspheres injection, per ml, is a diagnostic tool used to enhance ultrasound images. It contains tiny gas-filled bubbles that improve the clarity of the images, aiding in a more accurate diagnosis.

38 services20 patients

Heart rhythm recording of continous external ekg over 8-15 days 93246

A heart rhythm recording is a non-invasive procedure where a small device, attached externally, monitors your heart's electrical activity for 8-15 days. It helps detect irregular heart rhythms, assess heart rate, and guide treatment decisions. It's safe, painless, and can be done during normal daily activities.

35 services35 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

33 services33 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

32 services32 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

30 services30 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

26 services23 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

25 services25 patients

Technetium tc-99m sestamibi, diagnostic, per study dose A9500

Technetium Tc-99m Sestamibi is a diagnostic test used to create images of your heart or breast tissues. It involves a safe radioactive substance injection that helps doctors to detect any abnormalities or changes in these tissues.

21 services14 patients

Ultrasound of heart blood flow, valves and chambers 93320

20 services20 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) 93017

An exercise or drug-induced heart stress test with an ECG checks how your heart responds to stress. You'll either exercise on a treadmill or be given medication to stress your heart. An ECG then captures your heart's activity, helping detect any issues.

19 services19 patients

Ultrasound of heart during rest, exercise and/or drug-induced stress with report 93350

This procedure involves using ultrasound imaging to view your heart at rest, during exercise, and/or under drug-induced stress. It helps assess how well your heart responds to exertion. A report of the findings is provided after the test.

19 services19 patients

Ultrasound of heart, follow-up 93308

18 services18 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

13 services13 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80528 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

$132.55 typical visit price

range $58.06 – $174.82

Typical copayment $33.13 (range $14.51 – $43.70)

Most-billed visit code 99204

Established Patient

$72.20 typical visit price

range $18.88 – $142.79

Typical copayment $18.05 (range $4.72 – $35.69)

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.

DR. MASON SIDNEY SHAMIS MD

Family Medicine

2121 E HARMONY RD, SUITE 370
FORT COLLINS, CO 80528

Larimer County (970) 221-2290

BETHANY BOLLING AUD.,CCC-A

Audiologist

2121 E HARMONY RD
FORT COLLINS, CO 80528

Larimer County (970) 484-6373

DR. STEPHEN A TREAT M.D.

Internal Medicine (Cardiovascular Disease)

2121 E HARMONY RD, STE 100
FORT COLLINS, CO 80528

Larimer County (970) 221-1000

MR. MICHAEL D JACOBSON PA-C

Physician Assistant (Medical)

2121 E HARMONY RD, SUITE 300
FORT COLLINS, CO 80528

Larimer County (970) 224-9102

DR. DIANA M BREYER M.D.

Internal Medicine (Pulmonary Disease)

2121 E HARMONY RD, SUITE 300
FORT COLLINS, CO 80528

Larimer County (970) 224-9102

LAURA LYNN MADIGAN P.A.

Physician Assistant

2121 E HARMONY RD, SUITE 310
FORT COLLINS, CO 80528

Larimer County (970) 221-3855

DR. JOHN A COLLINS M.D.

Surgery

2121 E HARMONY RD, STE 330
FORT COLLINS, CO 80528

Larimer County (970) 221-5878

NORTHERN COLORADO HAND & WRIST CENTER PC

Orthopaedic Surgery (Hand Surgery)

2121 E HARMONY RD, UNIT 260
FORT COLLINS, CO 80528

Larimer County (970) 221-2827

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 Tristan Dow's NPI number?

The NPI number for Tristan Dow is 1063503597. It was assigned to this individual provider in the NPPES registry on September 28, 2006.

Where is Tristan Dow located?

Tristan Dow practices at 2121 E Harmony Rd Suite 100, Fort Collins, CO 80528. The listed phone number is (970) 221-1000.

What is Tristan Dow's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Tristan Dow enrolled in Medicare?

Yes. Tristan Dow 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 Tristan Dow's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tristan Dow reassigns Medicare benefits to 2 organizations: Poudre Valley Health Care Inc. (Fort Collins, CO) and Poudre Valley Medical Group, LLC (Loveland, 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 Tristan Dow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tristan Dow accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Blue Cross Blue Shield of Wyoming and Blue Cross and Blue Shield of Nebraska and 3 other insurers list Tristan Dow 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 Tristan Dow was last updated on December 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.