DR. TARIQ HASSAN MD
NPI 1710970587
Internal Medicine - Gastroenterology in Saint Louis, MO

Q: What is Tariq Hassan's NPI number?

The NPI number for Tariq Hassan is 1710970587. It was assigned to this individual provider in the NPPES registry on August 26, 2005.

Q: What is Tariq Hassan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Tariq Hassan was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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 August 26, 2005PECOS EnrolledAccepts Medicare Assignment

1 BARNES JEWISH HOSPITAL PLZ, DIV IM GASTROENTEROLOGY, SAINT LOUIS, MO 63110(314) 747-2066(314) 362-2357 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 6, 2026, Mar 10, 2021, Jul 18, 2019 and 2 more (5 updates tracked since 2016).

On this page

About Dr. Tariq Hassan Md NPPES

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

DR. TARIQ HASSAN MD (NPI 1710970587) is an individual gastroenterology provider in Saint Louis, Missouri, licensed in Missouri (119771) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Osf Saint Anthony's Health Center, and is a graduate of Other (1989).

NPPES Registry Identity

NPI1710970587

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. TARIQ HASSANCredential: MD

Location Address1 BARNES JEWISH HOSPITAL PLZ, DIV IM GASTROENTEROLOGYSaint Louis, MO 63110-1003

Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 747-2066 · Fax (314) 362-2357

Phone(314) 747-2066

Fax(314) 362-2357

Sole ProprietorNo

Medical School CMSOtherGraduated 1989

Enumeration DateAugust 26, 2005

Last NPPES UpdateJuly 6, 20265 updates tracked since enumeration

NPPES CertifiedMarch 18, 2024

✔ NPI 1710970587 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in MO · 119771

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 119771 (MO)

1 BARNES JEWISH HOSPITAL PLZ, Saint Louis, MO 63110

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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. Tariq Hassan Md 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 ID2567414691

PECOS Enrollment IDI20100301000762, I20180813002841

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 Tariq Hassan reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Fairview Heights Medical Group Sc

5.2 mi

Multi-Specialty

670 MASON RIDGE CENTER DR STE 300
Saint Louis, MO 63141

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

NPI 1679503668 (314) 996-7644

Physician Groups Lc

5.2 mi

Multi-Specialty

670 MASON RIDGE CENTER DR STE 300
Saint Louis, MO 63141

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

NPI 1285664268 (314) 996-7644

Washington University

6.4 mi

Multi-Specialty

660 S EUCLID AVE
Saint Louis, MO 63110

Reassigned Medicare billing, Missouri enrollment
1,133 clinicians in this Medicare group

NPI 1992746903 (314) 747-5192

Physician Specialists Of St Lukes LLC

6.7 mi

Internal Medicine

232 S WOODS MILL RD
Chesterfield, MO 63017

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

NPI 1235168410 (314) 434-1500

Digestive Health Care LLC

10 mi

Gastroenterology

2870 NETHERTON DR
Saint Louis, MO 63136

Reassigned Medicare billing, Missouri enrollment

NPI 1952816639 (314) 529-0661

Digestive Consultants LLC

21 mi

Gastroenterology

5551 WINGHAVEN BLVD STE 250
O Fallon, MO 63368

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

NPI 1013414317 (636) 685-7795

Pinckneyville Community Hospital

68 mi

Rural Health

5383 STATE ROUTE 154
Pinckneyville, IL 62274

Reassigned Medicare billing, Illinois enrollment
Also billed through NPI 1689646523 (Illinois)
46 clinicians in this Medicare group

NPI 1306818844 (618) 357-2187

Osf Multi-Specialty Group

152 mi

Internal Medicine

8600 N STATE ROUTE 91
Peoria, IL 61615

Reassigned Medicare billing, Illinois enrollment
2,944 clinicians in this Medicare group

NPI 1922445527 (309) 683-5050

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 13

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.

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.

720 services155 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.

155 services148 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.

107 services76 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

73 services17 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

56 services56 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.

52 services52 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

33 services33 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

30 services30 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

26 services26 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

17 services17 patients

Insertion of stomach tube using a flexible endoscope 43246

This procedure involves the use of a flexible endoscope, a thin tube with a light and camera, to insert a stomach tube. It helps doctors view and access your stomach without surgery. It's typically performed under sedation to ensure comfort.

16 services15 patients

Dilation of esophagus 43450

Dilation of the esophagus is a procedure aimed to stretch or open up your esophagus (the tube connecting your mouth to your stomach) when it's narrow. It helps to improve swallowing and alleviate discomfort. It's typically performed using a flexible tube or balloon, under sedation.

16 services16 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

16 services16 patients

Hospital Affiliations CMS Care Compare 5

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

Osf Saint Anthony's Health Center

Acute Care Hospitals · Alton, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140052

LocationSt Anthony's WayAlton, IL 62002 · Madison County

Ssm Health Depaul Hospital St Louis

Acute Care Hospitals · Bridgeton, MO

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number260104

Location12303 Depaul DriveBridgeton, MO 63044 · St. Louis 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

Christian Hospital Northeast

Acute Care Hospitals · Saint Louis, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260180

Location11133 Dunn RoadSaint Louis, MO 63136 · St. Louis County

Emergency services

Progress West Hospital

Acute Care Hospitals · O Fallon, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260219

Location2 Progress Point PkwyO Fallon, MO 63368 · St. Charles County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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.

DR. MARGARET LEIGHTON MCNAIRY MD

Hospitalist

1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110

St. Louis City (314) 362-1700

MS. CHERYL ANNE WOOLSEY PA

Physician Assistant

1 BARNES JEWISH HOSPITAL PLZ, DIV IM MEDICAL ONCOLOGY
SAINT LOUIS, MO 63110

St. Louis City (314) 747-1171

ANNA RABINOV ANNA RABINOV

Obstetrics & Gynecology

1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110

St. Louis City (314) 747-3000

MRS. MICHELLE MARIE BLOOM ACNP

Nurse Practitioner (Acute Care)

1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63110

St. Louis City (800) 862-9980

DR. FARIS ADAM BAKEER MD

Hospitalist

1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110

St. Louis City (314) 362-1700

DR. REHAN RAIS MD

Hospitalist

1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110

St. Louis City (314) 362-1700

DR. RANDY OLIVIER LAINE MD

Hospitalist

1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110

St. Louis City (314) 362-1700

DR. BRADLEY SETH KUSHNER MD

Surgery

1 BARNES JEWISH HOSPITAL PLZ, DIV SURG VASCULAR
SAINT LOUIS, MO 63110

St. Louis City (314) 273-7373

MS. KELSEY ELISE FOGUS CRNA

Nurse Anesthetist, Certified Registered

1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63110

St. Louis City (800) 862-9980

DR. YAMAN GHASSAN MKHAIMER MD

Hospitalist

1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110

St. Louis City (314) 362-1700

MS. CLAIRA J SOUSA CRNA

Nurse Anesthetist, Certified Registered

1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63110

St. Louis City (800) 862-9980

ADRIENNE VIRGINIA VISANI

Student in an Organized Health Care Education/Training Program

1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110

St. Louis City (314) 747-3000

ALEX RICHARD MD

Student in an Organized Health Care Education/Training Program

1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110

St. Louis City (314) 747-3000

DIVYA SHARMA DIVYADARSHINI MD

Internal Medicine (Nephrology)

1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110

St. Louis City (314) 362-9096

CHRISTINA EDDINS MOTR/L

Occupational Therapist

1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110

St. Louis City (314) 747-3000

ARIANNA ROTH BARNES

Clinical Nurse Specialist (Critical Care Medicine)

1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110

St. Louis City (314) 400-0606

RACHEL SMIGELSKI-THEISS MSN, RN, ACCNS-AG

Clinical Nurse Specialist (Medical-Surgical)

1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110

St. Louis City (314) 738-1457

DR. NGUYET M NGUYEN MD

Internal Medicine (Pulmonary Disease)

1 BARNES JEWISH HOSPITAL PLZ, DEPT INTERNAL MEDICINE
SAINT LOUIS, MO 63110

St. Louis City (314) 747-3000

MR. AARON M WEINZETTEL CRNA

Nurse Anesthetist, Certified Registered

1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63110

St. Louis City (800) 862-9980

DR. VORACHART AUETHAVEKIAT MD

Internal Medicine (Hematology)

1 BARNES JEWISH HOSPITAL PLZ, DIV IM HEMATOLOGY
SAINT LOUIS, MO 63110

St. Louis City (314) 362-7216

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 Tariq Hassan's NPI number?

The NPI number for Tariq Hassan is 1710970587. It was assigned to this individual provider in the NPPES registry on August 26, 2005.

Where is Tariq Hassan located?

Tariq Hassan practices at 1 Barnes Jewish Hospital Plz Div Im Gastroenterology, Saint Louis, MO 63110. The listed phone number is (314) 747-2066.

What is Tariq Hassan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Tariq Hassan enrolled in Medicare?

Yes. Tariq Hassan 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 Tariq Hassan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tariq Hassan reassigns Medicare benefits to 8 organizations: Fairview Heights Medical Group Sc (Saint Louis, MO), Physician Groups Lc (Saint Louis, MO), Washington University (Saint Louis, MO), Physician Specialists Of St Lukes LLC (Chesterfield, MO), Digestive Health Care LLC (Saint Louis, MO) and 3 more organizations, listed in the Medicare section above. 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 Tariq Hassan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tariq Hassan 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 5 other insurers list Tariq Hassan 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 Tariq Hassan affiliated with any hospitals?

According to CMS data, Tariq Hassan is affiliated with Osf Saint Anthony's Health Center, Ssm Health Depaul Hospital St Louis, Missouri Baptist Medical Center, Christian Hospital Northeast and Progress West Hospital.

When was this NPI record last updated?

The NPPES record for Tariq Hassan was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.