Dr. Gus Theodos, MD

  • Saint Louis, MO
  • Interventional cardiologist
NPI1053401422PAC ID8729134945
Medicare services, 2024
1,650
Medicare patients, 2024
597
Part D claims, 2024
2,748
Publications
4
Hospital affiliations
6
Practice address
3015 N Ballas Rd, Saint Louis, MO 63131
Practice phone
Call (314) 996-5000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Missouri Baptist Medical Center

Hospital · Saint Louis, Missouri

See all 8 affiliations

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Dr. Gus Theodos is an interventional cardiologist in Saint Louis, Missouri

Dr. Theodos practices at Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health.

Dr. Theodos' NPI, 1053401422, was assigned on October 13, 2006. Dr. Theodos graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2003. Dr. Theodos holds Missouri license 2016007344.

NPI and contact details
Medicare PAC ID
8729134945
NPI enumeration date
October 13, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(314) 996-5000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
49
Medical school graduation
2003

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

Dr. Gus Theodos practices at Missouri Baptist Medical Center in Saint Louis, Missouri

Dr. Theodos' primary practice is Missouri Baptist Medical Center, at 3015 N Ballas Rd, Saint Louis, MO 63131 in St. Louis County. The practice phone is (314) 996-5000.

Source: Dmand AI Affiliation Data

Dr. Gus Theodos is affiliated with 7 sites of care and 1 medical group

Dr. Theodos' primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dr. Theodos is also affiliated with Barnes-Jewish Hospital. The medical group on file is BJC Medical Group. Dmand AI also links Dr. Theodos to 4 more hospitals and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Theodos

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

Dmand AI tracks the EHR system at Dr. Gus Theodos' practice

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

EHR by site
SiteEHR vendor and product
Missouri Baptist Medical CenterAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gus Theodos is one of 152 interventional cardiologists in Missouri

Interventional cardiology is Dr. Theodos' primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Theodos is board certified in interventional cardiology by the American Board of Internal Medicine. Dr. Theodos is licensed in Missouri.

Specialties and state licenses

  • Interventional cardiology, MissouriPrimaryLicense 2016007344 · taxonomy 207RI0011X

Interventional cardiologists near Dr. Theodos

Counts of interventional cardiologists 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. Gus Theodos billed Medicare for 1,650 services in 2024

CMS data shows 1,650 Medicare services from Dr. Theodos across 26 procedure codes in 2024, for 597 Medicare patients. Medicare paid $205,167 for them.

Medicare services, 20241,650
Medicare patients597
Paid by Medicare$205,167
Procedure codes26

Dr. Theodos' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 6462024: 93344%
Office and hospital visits
2023: 3922024: 44614%
Surgery
2023: 1372024: 1296%
Other services
2023: 02024: 115
Lab and pathology
2023: 432024: 2737%

Where Dr. Theodos' Medicare services took place, 2024

  • In an office56834%
  • In a facility1,08266%

Dr. Theodos compared with the Missouri median for interventional cardiologists, 2024

  • Dr. Theodos
  • Missouri median
Medicare services
1,650vs 1,8169% below
Medicare patients
597vs 77423% below
Part D claims
2,562vs 3,35224% below

Medians across 160 interventional cardiologists in Missouri with Dmand AI profiles that report each measure.

Dr. Theodos' 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. Theodos

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

Dr. Gus Theodos treated 597 Medicare patients in 2024, average age 78

CMS counts 597 Medicare patients who saw Dr. Theodos in 2024. The largest group is 75 to 84, with 252 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.82, 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. Theodos' median patient age at 78, with 47% women.

Medicare patients, 2024597
Average age78
Average risk score1.82
Also on Medicaid5%

Dr. Theodos' Medicare patients by age, 2024

Dr. Theodos' Medicare patients by sex, 2024

  • Women27746%
  • Men32054%

Chronic conditions among Dr. Theodos' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease71%
  4. Arthritis58%
  5. Heart failure51%
  6. Atrial fibrillation47%
  7. Chronic kidney disease45%
  8. Diabetes37%

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

Dr. Theodos' patients across all payers

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

Patient panel by age, all payers

Median age 78

Patient panel by sex, all payers

  • Women47%
  • Men52%

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

Dr. Gus Theodos wrote 2,748 Medicare Part D claims in 2024

In 2024, Dr. Theodos wrote 2,748 Medicare Part D claims for 511 patients. 79% of them were for generic drugs. CMS names the drug for 2,562 of them, across 35 drugs with 11 or more claims each, at $452,520 in total drug cost. In 2023, CMS named 2,192 claims across 32 drugs.

Part D claims, 20242,748
Drugs named by CMS35
Total drug cost$452,520
Part D patients511

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

  • Generic2,177 claims79%
  • Brand-name and other571 claims21%

Dr. Theodos' 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. Theodos' Part D claims, 2024

  • Antibiotics1%31 of 2,748 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: 2,1922024: 2,56217%

Drugs named by CMS: 35 in 2024, 32 in 2023.

See all prescribing by Dr. Theodos

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. Gus Theodos ranks in the 91st percentile for coronary angioplasty and stenting in Medicare

Dr. Theodos accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 68 procedures of coronary angioplasty and stenting by Dr. Theodos, more than 91% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Theodos ranks in Medicare procedure volume

Coronary angioplasty and stenting
91st percentile68 procedures

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

Pacemaker insertion or repair: 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. Gus Theodos has 4 publications on record

Dmand AI links 4 papers to Dr. Theodos, published from 2011 to 2020. Dr. Theodos' most frequent co-authors are Matthew Aaron Cavender, MD, Andrew N. Rassi, MD and Chad Eric Raymond, DO.

Papers4
Years published2011 to 2020

Dr. Theodos' papers by year, 2011 to 2020

Dr. Theodos' most frequent co-authors

Recent publications by Dr. Theodos

See all 4 publications and co-authors

See who Dr. Theodos researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Theodos 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. Gus Theodos received $174,457 in industry payments from 2016 to 2025

CMS Open Payments shows 1,076 general payments to Dr. Theodos from 41 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 41% of the total. Boston Scientific Corporation paid the most, $69,639.

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

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

$174.5Kin total
  • Speaker and faculty fees$71,78841%
  • Consulting fees$40,49623%
  • Travel and lodging$29,05517%
  • Food and beverage$28,61816%
  • Honoraria$4,5003%

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

Share is of all general payments to this clinician.

See all payments to Dr. Theodos

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

Dr. Gus Theodos graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University

Dr. Theodos graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2003.

  1. Medical schoolClvlnd Clinic Lerner College of Med of Case Wstn Rsv University
  2. Board certified in interventional cardiologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Gus Theodos'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. Gus Theodos

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. Gus Theodos' NPI number?

Dr. Gus Theodos' NPI number is 1053401422. It was assigned on October 13, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gus Theodos?

Dr. Gus Theodos is an interventional cardiologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).

Where does Dr. Gus Theodos practice?

Dr. Theodos practices at 3015 N Ballas Rd, Saint Louis, MO 63131. Dr. Theodos' primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Theodos to 4 hospitals and 1 group practice or clinic.

What is Dr. Gus Theodos' office phone number?

The practice phone on file for Dr. Theodos is (314) 996-5000.

What is Dr. Gus Theodos' medical license number?

Dr. Theodos holds Missouri license 2016007344.

Which hospitals is Dr. Gus Theodos affiliated with?

Dr. Theodos practices at Missouri Baptist Medical Center in Saint Louis, Missouri. Dr. Theodos is also affiliated with Barnes-Jewish Hospital. Dmand AI links Dr. Theodos to 4 more hospitals.

What medical group is Dr. Gus Theodos part of?

Dr. Theodos is linked to BJC Medical Group.

Does Dr. Gus Theodos accept Medicare?

Yes. CMS data shows Dr. Theodos billed Medicare for 1,650 services in 2024, and Dr. Theodos accepts Medicare assignment.

How many Medicare patients does Dr. Gus Theodos see?

CMS counts 597 Medicare patients who saw Dr. Theodos in 2024, with an average age of 78.

Is Dr. Gus Theodos board certified?

Yes. Dr. Theodos is board certified in interventional cardiology by the American Board of Internal Medicine.

Show 7 more questionsShow fewer questions

What services does Dr. Gus Theodos bill to Medicare?

In 2024, Dr. Theodos' most billed Medicare services were heart test or procedure (93306), office visit, established patient (99214) and medicare service (G2211).

Where did Dr. Gus Theodos go to medical school?

Dr. Theodos graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2003.

What drugs does Dr. Gus Theodos prescribe most?

In 2024 Medicare Part D data, Dr. Theodos' most prescribed drugs by claims were Clopidogrel, Metoprolol Succinate and Atorvastatin Calcium.

Has Dr. Gus Theodos received payments from drug or device companies?

CMS Open Payments shows $174,457 in general payments to Dr. Theodos from 41 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.

How long has Dr. Gus Theodos been practicing?

Dr. Theodos graduated from medical school in 2003, 23 years ago.

Does Dr. Gus Theodos do research?

Dmand AI links 4 publications to Dr. Theodos, published from 2011 to 2020.

Who does Dr. Gus Theodos publish with?

Dr. Theodos' most frequent co-authors are Matthew Aaron Cavender, MD (1 shared paper), Andrew N. Rassi, MD (1 shared paper) and Chad Eric Raymond, DO (1 shared paper).

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