WISSAM KIWAN M.D.
NPI 1790164226
Internal Medicine - Gastroenterology in Saint Louis, MO

Q: What is Wissam Kiwan's NPI number?

The NPI number for Wissam Kiwan is 1790164226. It was assigned to this individual provider in the NPPES registry on May 29, 2015.

Q: What is Wissam Kiwan'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 Wissam Kiwan was last updated on March 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 29, 2015PECOS EnrolledAccepts Medicare Assignment

1008 S SPRING AVE FL 2, SAINT LOUIS, MO 63110(313) 858-4090 Get Directions Write a Review

NPPES record last updated: March 13, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 7, 2022, Dec 8, 2021, Jun 28, 2021 and 3 more (6 updates tracked since 2015).

On this page

About Wissam Kiwan M.d. NPPES

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

WISSAM KIWAN M.D. (NPI 1790164226) is an individual gastroenterology provider in Saint Louis, Missouri, licensed in Missouri (2022010699) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with Truman Medical Center Hospital Hill, and maintains a secondary practice location in Du Quoin.

NPPES Registry Identity

NPI1790164226

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameWISSAM KIWANCredential: M.D.

Location Address1008 S SPRING AVE FL 2Saint Louis, MO 63110-2520

Mailing Address1008 S Spring Ave Fl 2Saint Louis, MO 63110-2520 · (313) 858-4090 · Fax (470) 232-1004

Phone(313) 858-4090

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateMay 29, 2015

Last NPPES UpdateMarch 13, 20246 updates tracked since enumeration

NPPES CertifiedMarch 13, 2024

✔ NPI 1790164226 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in MO · 2022010699✔ Licensed in IL · 036164478

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.

1008 S SPRING AVE FL 2, Saint Louis, MO 63110

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Secondary Practice Location 1

Location 1900 N Washington StDu Quoin, IL 62832-1233 · Phone (618) 542-1045

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

Wissam Kiwan 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 ID7810298528

PECOS Enrollment IDI20220411001819

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 Wissam Kiwan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ssm Health Care Group

0.2 mi

Internal Medicine

1225 SOUTH GRAND BLVD, 2L - DOOR 3,4
Saint Louis, MO 63104

Reassigned Medicare billing, Missouri enrollment
1,294 clinicians in this Medicare group

NPI 1306589544 (314) 977-6100

Sjl Health Systems Inc

81 mi

Skilled Nursing Facility

900 S CHESTNUT ST
Pana, IL 62557

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Hshs Medical Group Inc
317 clinicians in this Medicare group

NPI 1215037353 (217) 562-3996

University Health Physicians

236 mi

Internal Medicine

2301 HOLMES ST
Kansas City, MO 64108

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

NPI 1669456257 (816) 404-1000

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 14

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.

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.

42 services42 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.

41 services28 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.

33 services32 patients

Review by radiologist of image from tube placement into bile duct using an endoscope 74328

This procedure involves a specialist, called a radiologist, examining an image taken during a tube placement into your bile duct. The tube is inserted with the help of a tool called an endoscope. This allows the doctor to check for any issues or abnormalities in your bile duct.

26 services16 patients

Exam of common bile and/or pancreatic duct using a flexible endoscope 43273

This procedure, known as an ERCP, involves a flexible tube with a camera, called an endoscope, being gently passed down your throat to examine your common bile or pancreatic duct. It helps doctors diagnose and treat conditions affecting these areas.

25 services16 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.

24 services23 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.

23 services22 patients

Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope 43238

An ultrasound guided needle aspiration or biopsy of the esophagus involves using a flexible tube with a camera (endoscope) to view your esophagus. An ultrasound device on the endoscope helps to guide a needle to take a small tissue sample for testing. This is a safe, minimally invasive procedure.

21 services20 patients

Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth 43237

This procedure involves a flexible tube with a camera and ultrasound device, inserted through the mouth to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like inflammation, tumors, or other abnormalities.

20 services20 patients

Insertion of stent into pancreatic or bile duct using a flexible endoscope 43274

This procedure involves the placement of a tiny tube, known as a stent, into your pancreatic or bile duct. A flexible endoscope, a long, thin instrument with a light and camera, is used. It aids in relieving blockages and improving flow in these ducts.

20 services12 patients

Removal of stone or debris from bile or pancreatic duct using a flexible endoscope 43264

This procedure, called an endoscopic retrograde cholangiopancreatography (ERCP), involves using a flexible tube with a camera (endoscope) to locate and remove stones or debris from your bile or pancreatic duct. It's a non-surgical method to clear the ducts, enhancing your digestive health.

19 services15 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.

14 services14 patients

Removal of large bowel tissue using a flexible endoscope 45390

This procedure, known as a colonoscopy, involves using a flexible endoscope to examine and potentially remove tissue from the large intestine. The endoscope allows the doctor to view the bowel lining directly and remove any abnormal tissue for further analysis.

14 services13 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

13 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Truman Medical Center Hospital Hill

Acute Care Hospitals · Kansas City, MO

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260048

Location2301 Holmes StreetKansas City, MO 64108 · Jackson County

Emergency services Birthing friendly

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

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.

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 Wissam Kiwan's NPI number?

The NPI number for Wissam Kiwan is 1790164226. It was assigned to this individual provider in the NPPES registry on May 29, 2015.

Where is Wissam Kiwan located?

Wissam Kiwan practices at 1008 S Spring Ave Fl 2, Saint Louis, MO 63110. The listed phone number is (313) 858-4090.

What is Wissam Kiwan's specialty?

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

Is Wissam Kiwan enrolled in Medicare?

Yes. Wissam Kiwan 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 Wissam Kiwan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wissam Kiwan reassigns Medicare benefits to 3 organizations: Ssm Health Care Group (Saint Louis, MO), Sjl Health Systems Inc (Pana, IL) and University Health Physicians (Kansas City, 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 Wissam Kiwan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Wissam Kiwan 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 Wissam Kiwan 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 Wissam Kiwan affiliated with any hospitals?

According to CMS data, Wissam Kiwan is affiliated with Truman Medical Center Hospital Hill, Ssm Health St Mary's Hospital - St Louis and Ssm Health Saint Louis University Hospital.

When was this NPI record last updated?

The NPPES record for Wissam Kiwan was last updated on March 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.