Dr. Matthew M. McDiarmid, DO

  • Thornton, CO
  • Interventional cardiologist
NPI1003234162PAC ID4284940248
Medicare services, 2024
3,435
Medicare patients, 2024
408
Part D claims, 2024
1,545
Publications
3
Hospital affiliations
7
Practice address
805 E 144th Ave, Ste 200, Thornton, CO 80023
Practice phone
Call (720) 893-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Advanced Heart and Vein Surgery Center

Surgery Center - Medicare-Certified · Thornton, Colorado

See all 14 affiliations

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Dr. Matthew M. McDiarmid is an interventional cardiologist in Thornton, Colorado

Dr. McDiarmid practices at Advanced Heart and Vein Surgery Center in Thornton, Colorado.

Dr. McDiarmid's NPI, 1003234162, was assigned on April 4, 2014. Dr. McDiarmid graduated from Nova Southeastern College of Osteo Medicine in 2014. Dr. McDiarmid holds Colorado license DR.0065978.

NPI and contact details
Medicare PAC ID
4284940248
NPI enumeration date
April 4, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(720) 893-5000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
38
Medical school graduation
2014

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Matthew M. McDiarmid practices at Advanced Heart and Vein Surgery Center in Thornton, Colorado

Dr. McDiarmid's primary practice is Advanced Heart and Vein Surgery Center, at 805 E 144th Ave, Ste 200, Thornton, CO 80023. The practice phone is (720) 893-5000.

  • Advanced Heart and Vein Surgery Center
    805 E 144th Ave, Ste 200, Thornton, CO 80023Phone(720) 893-5000

Source: Dmand AI Affiliation Data

Dr. Matthew M. McDiarmid is affiliated with 9 sites of care and 5 medical groups

Dr. McDiarmid's primary practice is Advanced Heart and Vein Surgery Center in Thornton, Colorado. Dr. McDiarmid is also affiliated with HCA HealthONE Mountain Ridge. The medical group on file is Advanced Heart And Vein Center. Dmand AI also links Dr. McDiarmid to 6 more hospitals, 4 medical groups and 1 group practice or clinic, each named with a free account.

See all 14 affiliations for Dr. McDiarmid

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Matthew M. McDiarmid's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McDiarmid practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Advanced Heart and Vein Surgery CenterAvailable with a free account
+8 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Matthew M. McDiarmid is one of 106 interventional cardiologists in Colorado

Interventional cardiology is Dr. McDiarmid's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. McDiarmid is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. McDiarmid's licenses on file in 2 states: Colorado and Wisconsin.

Specialties and state licenses

  • Interventional cardiology, ColoradoPrimaryLicense DR.0065978 · taxonomy 207RI0011X
  • Internal medicine, WisconsinLicense 67343 · taxonomy 207R00000X

Interventional cardiologists near Dr. McDiarmid

Counts of interventional cardiologists with a Dmand AI profile, by place and practice. Each opens the list.

106interventional cardiologists in Colorado
3interventional cardiologists in Thornton

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Matthew M. McDiarmid billed Medicare for 3,435 services in 2024

CMS data shows 3,435 Medicare services from Dr. McDiarmid across 31 procedure codes in 2024, for 408 Medicare patients. Medicare paid $194,229 for them.

Medicare services, 20243,435
Medicare patients408
Paid by Medicare$194,229
Procedure codes31

Dr. McDiarmid's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Other services
2023: 6812024: 1,427110%
Office and hospital visits
2023: 3392024: 736117%
Tests and treatments
2023: 4752024: 68945%
Drugs given in the office
2023: 3442024: 3553%
Imaging
2023: 1392024: 1508%
Surgery
2023: 892024: 7812%

Where Dr. McDiarmid's Medicare services took place, 2024

  • In an office2,98787%
  • In a facility44813%

Dr. McDiarmid compared with the Colorado median for interventional cardiologists, 2024

  • Dr. McDiarmid
  • Colorado median
Medicare services
3,435vs 1,5922.2 times
Medicare patients
408vs 76347% below
Part D claims
1,453vs 1,95526% below

Medians across 103 interventional cardiologists in Colorado with Dmand AI profiles that report each measure.

Dr. McDiarmid's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. McDiarmid

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Matthew M. McDiarmid treated 408 Medicare patients in 2024, average age 74

CMS counts 408 Medicare patients who saw Dr. McDiarmid in 2024. The largest group is 65 to 74, with 199 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.86, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. McDiarmid's median patient age at 72, with 49% women.

Medicare patients, 2024408
Average age74
Average risk score1.86
Also on Medicaid16%

Dr. McDiarmid's Medicare patients by age, 2024

Dr. McDiarmid's Medicare patients by sex, 2024

  • Women18044%
  • Men22856%

Chronic conditions among Dr. McDiarmid's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease63%
  4. Arthritis46%
  5. Atrial fibrillation40%
  6. Heart failure39%
  7. Chronic kidney disease37%
  8. Diabetes33%

Share of Medicare patients with each condition. A patient can have several.

Dr. McDiarmid's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women49%
  • Men50%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Matthew M. McDiarmid wrote 1,545 Medicare Part D claims in 2024

In 2024, Dr. McDiarmid wrote 1,545 Medicare Part D claims for 229 patients. 78% of them were for generic drugs. CMS names the drug for 1,453 of them, across 30 drugs with 11 or more claims each, at $298,792 in total drug cost. In 2023, CMS named 833 claims across 23 drugs.

Part D claims, 20241,545
Drugs named by CMS30
Total drug cost$298,792
Part D patients229

Dr. McDiarmid's Part D claims by kind of drug, 2024

  • Generic1,212 claims78%
  • Brand-name333 claims22%

Dr. McDiarmid's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8332024: 1,45374%

Drugs named by CMS: 30 in 2024, 23 in 2023.

See all prescribing by Dr. McDiarmid

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Matthew M. McDiarmid ranks in the 72nd percentile for varicose vein removal in Medicare

Dr. McDiarmid accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. McDiarmid as offering telehealth. CMS counts 44 procedures of varicose vein removal by Dr. McDiarmid, more than 72% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. McDiarmid ranks in Medicare procedure volume

Varicose vein removal
72nd percentile44 procedures
Coronary angioplasty and stenting
57th percentile24 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Matthew M. McDiarmid has 3 publications on record

Dmand AI links 3 papers to Dr. McDiarmid, published from 2021 to 2023. The most frequent topics are Learning. Dr. McDiarmid's most frequent co-authors are Nicole Pauline Salvo, MD, Khawaja A. Ammar, MD and Tanvir Khalid Bajwa, MD.

Papers3
Years published2021 to 2023

Topics Dr. McDiarmid writes about most

  • Learning

Dr. McDiarmid's most frequent co-authors

Recent publications by Dr. McDiarmid

See all 3 publications and co-authors

See who Dr. McDiarmid researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. McDiarmid works with, so you can find a warm path to the right interventional cardiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Matthew M. McDiarmid received $52,606 in industry payments from 2017 to 2025

CMS Open Payments shows 654 general payments to Dr. McDiarmid from 67 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 45% of the total. Philips Electronics North America Corporation paid the most, $15,553.

General payments to Dr. McDiarmid by program year, 2017 to 2025

General payments to Dr. McDiarmid by kind, 2017 to 2025

$52.6Kin total
  • Food and beverage$23,33245%
  • Honoraria$11,86323%
  • Travel and lodging$10,23920%
  • Device or supply loans$2,7155%
  • Other$3,4107%

Companies that paid Dr. McDiarmid the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. McDiarmid

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Matthew M. McDiarmid graduated from Nova Southeastern College of Osteo Medicine

Dr. McDiarmid graduated from Nova Southeastern College of Osteo Medicine in 2014.

  1. Medical schoolNova Southeastern College of Osteo Medicine
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in interventional cardiologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Matthew M. McDiarmid's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Matthew M. McDiarmid

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Matthew M. McDiarmid's NPI number?

Dr. Matthew M. McDiarmid's NPI number is 1003234162. It was assigned on April 4, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Matthew M. McDiarmid?

Dr. Matthew M. McDiarmid is an interventional cardiologist in Thornton, Colorado. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).

Where does Dr. Matthew M. McDiarmid practice?

Dr. McDiarmid practices at 805 E 144th Ave, Ste 200, Thornton, CO 80023. Dr. McDiarmid's primary practice is Advanced Heart and Vein Surgery Center in Thornton, Colorado. Dmand AI also links Dr. McDiarmid to 6 hospitals, 4 medical groups and 1 group practice or clinic.

What is Dr. Matthew M. McDiarmid's office phone number?

The practice phone on file for Dr. McDiarmid is (720) 893-5000.

What is Dr. Matthew M. McDiarmid's medical license number?

Dr. McDiarmid holds Colorado license DR.0065978, one of the licenses on file in 2 states.

Which states has Dr. Matthew M. McDiarmid been licensed in?

Dmand AI has state licenses on file for Dr. McDiarmid in Colorado and Wisconsin.

Which hospitals is Dr. Matthew M. McDiarmid affiliated with?

Dr. McDiarmid is affiliated with HCA HealthONE Mountain Ridge. Dmand AI links Dr. McDiarmid to 6 more hospitals.

What medical group is Dr. Matthew M. McDiarmid part of?

Dr. McDiarmid is linked to Advanced Heart And Vein Center. Dmand AI links Dr. McDiarmid to 4 more medical groups.

Does Dr. Matthew M. McDiarmid accept Medicare?

Yes. CMS data shows Dr. McDiarmid billed Medicare for 3,435 services in 2024, and Dr. McDiarmid accepts Medicare assignment.

Does Dr. Matthew M. McDiarmid offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. McDiarmid as offering telehealth services.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Matthew M. McDiarmid see?

CMS counts 408 Medicare patients who saw Dr. McDiarmid in 2024, with an average age of 74.

Is Dr. Matthew M. McDiarmid board certified?

Yes. Dr. McDiarmid is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. Matthew M. McDiarmid bill to Medicare?

In 2024, Dr. McDiarmid's most billed Medicare services were medicare temporary code (Q9966), injected or infused drug (J2785) and office visit, established patient (99214).

Where did Dr. Matthew M. McDiarmid go to medical school?

Dr. McDiarmid graduated from Nova Southeastern College of Osteo Medicine in 2014.

What drugs does Dr. Matthew M. McDiarmid prescribe most?

In 2024 Medicare Part D data, Dr. McDiarmid's most prescribed drugs by claims were Metoprolol Tartrate, Clopidogrel and Carvedilol.

Has Dr. Matthew M. McDiarmid received payments from drug or device companies?

CMS Open Payments shows $52,606 in general payments to Dr. McDiarmid from 67 companies from 2017 to 2025. The largest total came from Philips Electronics North America Corporation.

How long has Dr. Matthew M. McDiarmid been practicing?

Dr. McDiarmid graduated from medical school in 2014, 12 years ago.

Does Dr. Matthew M. McDiarmid do research?

Dmand AI links 3 publications to Dr. McDiarmid, published from 2021 to 2023.

Who does Dr. Matthew M. McDiarmid publish with?

Dr. McDiarmid's most frequent co-authors are Nicole Pauline Salvo, MD (2 shared papers), Khawaja A. Ammar, MD (1 shared paper) and Tanvir Khalid Bajwa, MD (1 shared paper).

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