DR. GUS THEODOS M.D.
NPI 1053401422
Internal Medicine - Interventional Cardiology in Saint Louis, MO

Active since October 13, 2006PECOS EnrolledAccepts Medicare Assignment
3023 N BALLAS RD STE 200D, SAINT LOUIS, MO 63131(314) 996-7272 Get Directions Write a Review

NPPES record last updated: March 22, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 22, 2021, Mar 12, 2021, Apr 30, 2018 and 3 more (6 updates tracked since 2017).

About Dr. Gus Theodos M.d. NPPES

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

DR. GUS THEODOS M.D. (NPI 1053401422) is an individual interventional cardiology provider in Saint Louis, Missouri, licensed in Missouri (2016007344) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2003).

NPPES Registry Identity

NPI1053401422
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameDR. GUS THEODOSCredential: M.D.
Location Address3023 N BALLAS RD STE 200DSaint Louis, MO 63131-2328
Mailing Address670 Mason Ridge Center Dr Ste 300Saint Louis, MO 63141-8573
Sole ProprietorYes
Medical School CMSClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityGraduated 2003
Enumeration DateOctober 13, 2006
Last NPPES UpdateMarch 22, 20216 updates tracked since enumeration
NPPES CertifiedMarch 22, 2021
NPI 1053401422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
License Licensed in MO · 2016007344
Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
3023 N BALLAS RD STE 200D, Saint Louis, MO 63131

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Gus Theodos 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 ID8729134945
PECOS Enrollment IDI20160715000279
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.

Areas of Expertise CMS Part B claims 24

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.

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.
270 services223 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.
232 services215 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.
103 services98 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.
74 services71 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.
74 services71 patients
Evaluation of cardiac rhythm monitor system, remote up to 30 days 93298
This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.
69 services12 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260032
LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County
Emergency services Birthing friendly

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260108
Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis County
Emergency services Birthing friendly

Barnes-Jewish West County Hospital

Acute Care Hospitals · Creve Coeur, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260162
Location12634 Olive BoulevardCreve Coeur, MO 63141 · St. Louis County
Emergency services

Parkland Health Center

Acute Care Hospitals · Farmington, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260163
Location1101 W LibertyFarmington, MO 63640 · St. Francois County
Emergency services Birthing friendly

Barnes-Jewish St Peters Hospital

Acute Care Hospitals · Saint Peters, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260191
Location10 Hospital DrSaint Peters, MO 63376 · St. Charles County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63131 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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.

Internal Medicine (Interventional Cardiology)
3023 N BALLAS RD STE 200D
SAINT LOUIS, MO 63131
Physician Assistant
3023 N BALLAS RD STE 200D
SAINT LOUIS, MO 63131
Physician Assistant
3023 N BALLAS RD STE 200D
SAINT LOUIS, MO 63131
Physician Assistant
3023 N BALLAS RD STE 200D
SAINT LOUIS, MO 63131
Internal Medicine (Interventional Cardiology)
3023 N BALLAS RD STE 200D
SAINT LOUIS, MO 63131
Internal Medicine (Interventional Cardiology)
3023 N BALLAS RD STE 200D
SAINT LOUIS, MO 63131
Internal Medicine (Interventional Cardiology)
3023 N BALLAS RD STE 200D
SAINT LOUIS, MO 63131
Nurse Practitioner
3023 N BALLAS RD STE 200D
SAINT LOUIS, MO 63131

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 Gus Theodos's NPI number?

The NPI number for Gus Theodos is 1053401422. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Where is Gus Theodos located?

Gus Theodos practices at 3023 N Ballas Rd Ste 200D, Saint Louis, MO 63131. The listed phone number is (314) 996-7272.

What is Gus Theodos's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Gus Theodos enrolled in Medicare?

Yes. Gus Theodos 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.

Is Gus Theodos affiliated with any hospitals?

According to CMS data, Gus Theodos is affiliated with Barnes Jewish Hospital, Missouri Baptist Medical Center, Barnes-Jewish West County Hospital, Parkland Health Center and Barnes-Jewish St Peters Hospital.

When was this NPI record last updated?

The NPPES record for Gus Theodos was last updated on March 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.