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DR. GREGORY STEPHEN SAYUK MD
NPI 1760494280
Internal Medicine - Gastroenterology in Saint Louis, MO

Active since August 13, 2006PECOS Enrolled
915 N GRAND BLVD, SAINT LOUIS, MO 63106(314) 289-6434 Get Directions Write a Review

NPPES record last updated: May 7, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 7, 2024, Nov 14, 2016, Oct 2, 2015 (3 updates tracked since 2015).

About Dr. Gregory Stephen Sayuk Md NPPES

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

DR. GREGORY STEPHEN SAYUK MD (NPI 1760494280) is an individual gastroenterology provider in Saint Louis, Missouri, licensed in Missouri (2001025582) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1760494280
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. GREGORY STEPHEN SAYUKCredential: MD
Location Address915 N GRAND BLVDSaint Louis, MO 63106-1621
Mailing Address915 N Grand BlvdSaint Louis, MO 63106-1621 · (314) 289-6434
Phone(314) 289-6434
Sole ProprietorNo
Enumeration DateAugust 13, 2006
Last NPPES UpdateMay 7, 20243 updates tracked since enumeration
NPPES CertifiedMay 7, 2024
✔ NPI 1760494280 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in MO · 2001025582
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.
915 N GRAND BLVD, Saint Louis, MO 63106
Open in Google Maps ↗

Other Identifiers 1

Medicaid200743607MO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory Stephen Sayuk Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63106 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. MATTHEW CHRISTOPHER SIMPSON O.D.
Optometrist
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100
MS. CHARMIN MEYATTA GIBSON M.S.W.
Social Worker
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4110
CONOR MCCARTNEY M.D.
Internal Medicine
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100
ALITA BILLOPS CNP
Nurse Practitioner (Primary Care)
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100
STEPHANIE ADAMS
Registered Nurse
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 289-7676
NAGLA ABDELMALEK M.D.
Emergency Medicine
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100
DR. JAMES MICHAEL HASIK DDS
Dentist (General Practice)
915 N GRAND BLVD, DENTAL CLINIC
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100
MS. TRACY LANES CRNA
Nurse Anesthetist, Certified Registered
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100

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 Gregory Sayuk's NPI number?

The NPI number for Gregory Sayuk is 1760494280. It was assigned to this individual provider in the NPPES registry on August 13, 2006.

Where is Gregory Sayuk located?

Gregory Sayuk practices at 915 N Grand Blvd, Saint Louis, MO 63106. The listed phone number is (314) 289-6434.

What is Gregory Sayuk's specialty?

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

Is Gregory Sayuk enrolled in Medicare?

Yes. Gregory Sayuk is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gregory Sayuk was last updated on May 7, 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.