DR. MARK AARON FRIEDMAN M.D.
NPI 1932311974
Internal Medicine - Cardiovascular Disease in Saint Louis, MO

Q: What is Mark Friedman's NPI number?

The NPI number for Mark Friedman is 1932311974. It was assigned to this individual provider in the NPPES registry on May 3, 2007.

Q: What is Mark Friedman'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 Mark Friedman was last updated on November 10, 2020. 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.

Active since May 03, 2007PECOS EnrolledAccepts Medicare Assignment

1027 BELLEVUE AVE, SUITE 200, SAINT LOUIS, MO 63117(314) 645-6450(314) 645-2560 Get Directions Write a Review

NPPES record last updated: November 10, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Mark Aaron Friedman M.d. NPPES

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

DR. MARK AARON FRIEDMAN M.D. (NPI 1932311974) is an individual cardiovascular disease provider in Saint Louis, Missouri, licensed in Missouri (2010007399) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital - St Louis, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2004).

NPPES Registry Identity

NPI1932311974

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. MARK AARON FRIEDMANCredential: M.D.

Location Address1027 BELLEVUE AVE, SUITE 200Saint Louis, MO 63117-1851

Mailing Address12855 N 40 Dr, Suite 300Saint Louis, MO 63141-8657 · (314) 880-6100 · Fax (314) 997-3248

Phone(314) 645-6450

Fax(314) 645-2560

Sole ProprietorNo

Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2004

Enumeration DateMay 3, 2007

Last NPPES UpdateNovember 10, 2020

NPPES CertifiedNovember 10, 2020

✔ NPI 1932311974 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 MO · 2010007399✔ Licensed in IL · 036125821

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 241994 (NY)

Also ListedNuclear Medicine · Nuclear CardiologyTaxonomy 207UN0901X · License 2010007399 (MO)

1027 BELLEVUE AVE, Saint Louis, MO 63117

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health 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

Dr. Mark Aaron Friedman 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 ID9830222744

PECOS Enrollment IDI20100729000124

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

Ssm Health Care St. Louis

0.1 mi

Emergency Medicine

6420 CLAYTON RD
Saint Louis, MO 63117

Reassigned Medicare billing, Missouri enrollment
741 clinicians in this Medicare group

NPI 1366400855 (314) 768-8000

Ssm Medical Group, Inc.

11 mi

Multi-Specialty

1011 BOWLES AVE, SUITE 300
Fenton, MO 63026

Reassigned Medicare billing, Missouri enrollment
697 clinicians in this Medicare group

NPI 1700966207 (636) 496-5000

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 16

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.

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.

389 services299 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.

287 services106 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

254 services226 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.

220 services218 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

114 services79 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.

90 services87 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.

67 services67 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.

67 services67 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.

53 services53 patients

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

40 services40 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.

34 services34 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.

22 services21 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

20 services20 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

18 services17 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

15 services15 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.

13 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Ssm Health St Mary's Hospital - St Louis

Acute Care Hospitals · Richmond Heights, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260091

Location6420 Clayton RdRichmond Heights, MO 63117 · St. Louis County

Emergency services Birthing friendly

Ssm Health Saint Louis University Hospital

Acute Care Hospitals · Saint Louis, MO

1/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number260105

Location3635 Vista AveSaint Louis, MO 63110 · St. Louis City County

Emergency services

Madison Medical Center

Critical Access Hospitals · Fredericktown, MO

OwnershipVoluntary non-profit - Other

CMS Certification Number261302

Location611 W Main StFredericktown, MO 63645 · Madison County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63117 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

$69.50 typical visit price

range $17.76 – $137.92

Typical copayment $17.37 (range $4.44 – $34.48)

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. JOHN W. KILGORE M.D.

Internal Medicine (Cardiovascular Disease)

1027 BELLEVUE AVE, SUITE 200
SAINT LOUIS, MO 63117

St. Louis County (314) 645-6450

THOMAS J. KIRISITS, D.P.M., P.C.

Podiatrist (Foot & Ankle Surgery)

1027 BELLEVUE AVE, SUITE 145
SAINT LOUIS, MO 63117

St. Louis County (314) 644-6663

MS. DANA READ MS, CCC-SLP; CBIS-T

Speech-Language Pathologist

1027 BELLEVUE AVE, SUITE 15
SAINT LOUIS, MO 63117

St. Louis County (314) 768-5375

JORDAN N FANNING MS, CCC-SLP

Speech-Language Pathologist

1027 BELLEVUE AVE
RICHMOND HEIGHTS, MO 63117

St. Louis County (314) 768-5202

DR. RICHARD B WHITING M.D.

Internal Medicine (Cardiovascular Disease)

1027 BELLEVUE AVE, SUITE 200
SAINT LOUIS, MO 63117

St. Louis County (314) 645-6450

MIEASHIA JONES

Counselor

1027 BELLEVUE AVE, 200
RICHMOND HEIGHTS, MO 63117

St. Louis County (314) 768-8000

LAUREN FYALKA PT, DPT

Physical Therapist

1027 BELLEVUE AVE
RICHMOND HEIGHTS, MO 63117

St. Louis County (314) 768-5375

LINDSAY NOESEN DPT

Physical Therapist

1027 BELLEVUE AVE, SUITE 15
RICHMOND HEIGHTS, MO 63117

St. Louis County (314) 768-5375

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 Mark Friedman's NPI number?

The NPI number for Mark Friedman is 1932311974. It was assigned to this individual provider in the NPPES registry on May 3, 2007.

Where is Mark Friedman located?

Mark Friedman practices at 1027 Bellevue Ave Suite 200, Saint Louis, MO 63117. The listed phone number is (314) 645-6450.

What is Mark Friedman's specialty?

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

Is Mark Friedman enrolled in Medicare?

Yes. Mark Friedman 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 Mark Friedman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Friedman reassigns Medicare benefits to 2 organizations: Ssm Health Care St. Louis (Saint Louis, MO) and Ssm Medical Group, Inc. (Fenton, MO). 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 Mark Friedman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Friedman accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 2 other insurers list Mark Friedman 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.

Is Mark Friedman affiliated with any hospitals?

According to CMS data, Mark Friedman is affiliated with Ssm Health St Mary's Hospital - St Louis, Ssm Health Saint Louis University Hospital and Madison Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Friedman was last updated on November 10, 2020. 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.