Dr. Marc Thomas Warner, MD

  • Midlothian, VA
  • Vascular surgeon
NPI1679569230PAC ID7719906817
Medicare services, 2024
2,255
Medicare patients, 2024
1,301
Part D claims, 2024
208
MIPS score, 2024
92
Hospital affiliations
5
Practice address
13710 St Francis Boulevard, Midlothian, VA 23114
Practice phone
Call (804) 594-7400
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Bon Secours St. Francis Medical Center

Hospital · Midlothian, Virginia

See all 9 affiliations

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Dr. Marc Thomas Warner is a vascular surgeon in Midlothian, Virginia

Dr. Warner practices at Bon Secours St. Francis Medical Center in Midlothian, Virginia, part of Bon Secours Mercy Health.

Dr. Warner's NPI, 1679569230, was assigned on September 20, 2005. Dr. Warner graduated from University of Alabama School of Medicine in 1996. Dr. Warner holds Virginia license 0101232394.

NPI and contact details
Medicare PAC ID
7719906817
NPI enumeration date
September 20, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(804) 594-7400
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
56
Medical school graduation
1996

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

Dr. Marc Thomas Warner practices at Bon Secours St. Francis Medical Center in Midlothian, Virginia

Dr. Warner's primary practice is Bon Secours St. Francis Medical Center, at 13710 St Francis Boulevard, Midlothian, VA 23114 in Chesterfield County. The practice phone is (804) 594-7400.

Source: Dmand AI Affiliation Data

Dr. Marc Thomas Warner is affiliated with 7 sites of care and 2 medical groups

Dr. Warner's primary practice is Bon Secours St. Francis Medical Center in Midlothian, Virginia, part of Bon Secours Mercy Health. Dr. Warner is also affiliated with Bon Secours St. Mary's Hospital. The medical group on file is Vascular Surgery Associates. Dmand AI also links Dr. Warner to 3 more hospitals, 1 group practice or clinic, 1 home health agency and 1 medical group, each named with a free account.

See all 9 affiliations for Dr. Warner

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

Dmand AI tracks the EHR system at Dr. Marc Thomas Warner's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warner practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Bon Secours St. Francis Medical CenterAvailable with a free account
+6 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Bon Secours Mercy Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Marc Thomas Warner is one of 142 vascular surgeons in Virginia

Vascular surgery is Dr. Warner's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Warner is licensed in Virginia.

Specialties and state licenses

  • Vascular surgery, VirginiaPrimaryLicense 0101232394 · taxonomy 2086S0129X

Vascular surgeons near Dr. Warner

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

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

Dr. Marc Thomas Warner billed Medicare for 2,255 services in 2024

CMS data shows 2,255 Medicare services from Dr. Warner across 29 procedure codes in 2024, for 1,301 Medicare patients. Medicare paid $320,412 for them.

Medicare services, 20242,255
Medicare patients1,301
Paid by Medicare$320,412
Procedure codes29

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

  • 2023
  • 2024
Tests and treatments
2023: 2,4432024: 1,62334%
Office and hospital visits
2023: 1972024: 25630%
Drugs given in the office
2023: 2622024: 14246%
Surgery
2023: 3362024: 12962%
Imaging
2023: 1252024: 10516%

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

  • In an office1,33959%
  • In a facility91641%

Dr. Warner compared with the Virginia median for vascular surgeons, 2024

  • Dr. Warner
  • Virginia median
Medicare services
2,255vs 9002.5 times
Medicare patients
1,301vs 5662.3 times
Part D claims
154vs 8581% above

Medians across 137 vascular surgeons in Virginia with Dmand AI profiles that report each measure.

Dr. Warner'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. Warner

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

Dr. Marc Thomas Warner treated 1,301 Medicare patients in 2024, average age 76

CMS counts 1,301 Medicare patients who saw Dr. Warner in 2024. The largest group is 75 to 84, with 533 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 2.24, 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. Warner's median patient age at 73, with 54% women.

Medicare patients, 20241,301
Average age76
Average risk score2.24
Also on Medicaid8%

Dr. Warner's Medicare patients by age, 2024

Dr. Warner's Medicare patients by sex, 2024

  • Women67952%
  • Men62248%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis53%
  4. Chronic kidney disease44%
  5. Ischemic heart disease43%
  6. Diabetes42%
  7. Heart failure30%
  8. Anxiety28%

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

Dr. Warner's patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women54%
  • Men45%

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

Dr. Marc Thomas Warner wrote 208 Medicare Part D claims in 2024

In 2024, Dr. Warner wrote 208 Medicare Part D claims for 130 patients. 92% of them were for generic drugs. CMS names the drug for 154 of them, across 4 drugs with 11 or more claims each, at $10,906 in total drug cost. In 2023, CMS named 108 claims across 4 drugs.

Part D claims, 2024208
Drugs named by CMS4
Total drug cost$10,906
Part D patients130

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

  • Generic192 claims92%
  • Brand-name16 claims8%

Dr. Warner'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.

Drug classes CMS tracks in Dr. Warner's Part D claims, 2024

  • Opioids54%113 of 208 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1082024: 15443%

Drugs named by CMS: 4 in 2024, 4 in 2023.

See all prescribing by Dr. Warner

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. Marc Thomas Warner scored 92 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Warner for performance year 2024, reported as part of a group. Dr. Warner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 38 procedures of leg revascularization (restoring blood flow) by Dr. Warner, more than 92% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Warner's MIPS scores, performance year 2024

  • 92of 100Final score
  • 83.8of 100Quality
  • 95of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 77of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Warner ranks in Medicare procedure volume

Leg revascularization (restoring blood flow)
92nd percentile38 procedures
Varicose vein removal
61st percentile24 procedures

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

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Marc Thomas Warner received $17,980 in industry payments from 2016 to 2025

CMS Open Payments shows 86 general payments to Dr. Warner from 25 drug and device companies from 2016 to 2025. Device or supply loans make up the largest share, 77% of the total. AngioDynamics, Inc. paid the most, $13,833.

General payments to Dr. Warner by program year, 2016 to 2025

General payments to Dr. Warner by kind, 2016 to 2025

$18Kin total
  • Device or supply loans$13,83377%
  • Food and beverage$3,93722%
  • Travel and lodging$2101%

Companies that paid Dr. Warner the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Warner

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

Dr. Marc Thomas Warner graduated from University of Alabama School of Medicine

Dr. Warner graduated from University of Alabama School of Medicine in 1996.

  1. Medical schoolUniversity of Alabama School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Marc Thomas Warner'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
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. Marc Thomas Warner

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. Marc Thomas Warner's NPI number?

Dr. Marc Thomas Warner's NPI number is 1679569230. It was assigned on September 20, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Marc Thomas Warner?

Dr. Marc Thomas Warner is a vascular surgeon in Midlothian, Virginia. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. Marc Thomas Warner practice?

Dr. Warner practices at 13710 St Francis Boulevard, Midlothian, VA 23114. Dr. Warner's primary practice is Bon Secours St. Francis Medical Center in Midlothian, Virginia, part of Bon Secours Mercy Health. Dmand AI also links Dr. Warner to 3 hospitals, 1 group practice or clinic, 1 home health agency and 1 medical group.

What is Dr. Marc Thomas Warner's office phone number?

The practice phone on file for Dr. Warner is (804) 594-7400.

What is Dr. Marc Thomas Warner's medical license number?

Dr. Warner holds Virginia license 0101232394.

Which hospitals is Dr. Marc Thomas Warner affiliated with?

Dr. Warner practices at Bon Secours St. Francis Medical Center in Midlothian, Virginia. Dr. Warner is also affiliated with Bon Secours St. Mary's Hospital. Dmand AI links Dr. Warner to 3 more hospitals.

What medical group is Dr. Marc Thomas Warner part of?

Dr. Warner is linked to Vascular Surgery Associates. Dmand AI links Dr. Warner to 1 more medical group.

Does Dr. Marc Thomas Warner accept Medicare?

Yes. CMS data shows Dr. Warner billed Medicare for 2,255 services in 2024, and Dr. Warner accepts Medicare assignment.

What is Dr. Marc Thomas Warner's MIPS score?

Dr. Warner's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.

How many Medicare patients does Dr. Marc Thomas Warner see?

CMS counts 1,301 Medicare patients who saw Dr. Warner in 2024, with an average age of 76.

Show 5 more questionsShow fewer questions

What services does Dr. Marc Thomas Warner bill to Medicare?

In 2024, Dr. Warner's most billed Medicare services were blood vessel study (93971), blood vessel study (93880) and blood vessel study (93922).

Where did Dr. Marc Thomas Warner go to medical school?

Dr. Warner graduated from University of Alabama School of Medicine in 1996.

What drugs does Dr. Marc Thomas Warner prescribe most?

In 2024 Medicare Part D data, Dr. Warner's most prescribed drugs by claims were Oxycodone-Acetaminophen, Clopidogrel and Oxycodone HCl.

Has Dr. Marc Thomas Warner received payments from drug or device companies?

CMS Open Payments shows $17,980 in general payments to Dr. Warner from 25 companies from 2016 to 2025. The largest total came from AngioDynamics, Inc.

How long has Dr. Marc Thomas Warner been practicing?

Dr. Warner graduated from medical school in 1996, 30 years ago.

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