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W. RICHARD SYLVANOVICH M.D.
NPI 1053356840
Internal Medicine - Gastroenterology in Saint Louis, MO

Active since June 17, 2006PECOS Enrolled
2821 N BALLAS RD STE 110, SAINT LOUIS, MO 63131(314) 628-9000(314) 628-9696 Get Directions Write a Review

NPPES record last updated: January 3, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 3, 2024, Jan 6, 2023, Mar 31, 2021 and 1 more (4 updates tracked since 2018).

About W. Richard Sylvanovich M.d. NPPES

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

W. RICHARD SYLVANOVICH M.D. (NPI 1053356840) is an individual gastroenterology provider in Saint Louis, Missouri, licensed in Missouri (33925) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Columbia.

NPPES Registry Identity

NPI1053356840
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameW. RICHARD SYLVANOVICHCredential: M.D.
Location Address2821 N BALLAS RD STE 110Saint Louis, MO 63131-2314
Mailing Address2821 N Ballas Rd, Ste 110Saint Louis, MO 63131-2314 · (314) 628-9000 · Fax (314) 628-9696
Phone(314) 628-9000
Fax(314) 628-9696
Sole ProprietorNo
Enumeration DateJune 17, 2006
Last NPPES UpdateJanuary 3, 20244 updates tracked since enumeration
NPPES CertifiedJanuary 3, 2024
✔ NPI 1053356840 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 · 33925✔ Licensed in IL · 036043679
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.
2821 N BALLAS RD STE 110, Saint Louis, MO 63131
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Secondary Practice Location 1

Location 1101 S Fairview RdColumbia, MO 65203-7637 · Phone (573) 884-7600 · Fax (573) 884-8200

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

W. Richard Sylvanovich M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show W. Sylvanovich reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mercy Clinic Springfield Communities
185 mi
Family Medicine
3231 S NATIONAL AVE STE 220
Springfield, MO 65807
  • Reassigned Medicare billing, Missouri enrollment
  • 1,565 clinicians in this Medicare group
NPI 1245277631 (855) 420-7900

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 4

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.

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.
23 services23 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.
17 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.
15 services15 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.
12 services12 patients

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.

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 W. Sylvanovich's NPI number?

The NPI number for W. Sylvanovich is 1053356840. It was assigned to this individual provider in the NPPES registry on June 17, 2006.

Where is W. Sylvanovich located?

W. Sylvanovich practices at 2821 N Ballas Rd Ste 110, Saint Louis, MO 63131. The listed phone number is (314) 628-9000.

What is W. Sylvanovich's specialty?

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

Is W. Sylvanovich enrolled in Medicare?

Yes. W. Sylvanovich is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for W. Sylvanovich's services?

According to the CMS Revalidation Reassignment List (October 2026 release), W. Sylvanovich reassigns Medicare benefits to Mercy Clinic Springfield Communities (Springfield, MO). The 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 W. Sylvanovich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for W. Sylvanovich was last updated on January 3, 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.