DR. OLAYIWOLA C OLAGBEGI M.D.
NPI 1912011255
Internal Medicine - Gastroenterology in Saint Louis, MO

Active since August 17, 2006PECOS EnrolledAccepts Medicare Assignment
11155 DUNN RD STE 309E, SAINT LOUIS, MO 63136(314) 953-8799 Get Directions Write a Review

NPPES record last updated: January 11, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 11, 2023, Jan 3, 2022, Feb 25, 2021 (3 updates tracked since 2021).

About Dr. Olayiwola C Olagbegi M.d. NPPES

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

DR. OLAYIWOLA C OLAGBEGI M.D. (NPI 1912011255) is an individual gastroenterology provider in Saint Louis, Missouri, licensed in Missouri (114046) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Alton Memorial Hospital, and is a graduate of Other (1985).

NPPES Registry Identity

NPI1912011255
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. OLAYIWOLA C OLAGBEGICredential: M.D.
Location Address11155 DUNN RD STE 309ESaint Louis, MO 63136-6111
Mailing Address11155 Dunn Rd Ste 309eSaint Louis, MO 63136-6111 · (314) 953-8799
Sole ProprietorNo
Medical School CMSOtherGraduated 1985
Enumeration DateAugust 17, 2006
Last NPPES UpdateJanuary 11, 20233 updates tracked since enumeration
NPPES CertifiedJanuary 11, 2023
NPI 1912011255 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 · 114046 Licensed in IL · 036099505
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.
11155 DUNN RD STE 309E, Saint Louis, MO 63136

Other Identifiers 2

Other100011347MO · Medicare Railroad
Medicaid209698901MO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Olayiwola C Olagbegi 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 ID1355347741
PECOS Enrollment IDI20101008000332
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.

Areas of Expertise CMS Part B claims 9

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.
165 services157 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.
74 services74 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.
62 services50 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.
54 services54 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.
49 services37 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.
31 services29 patients

Hospital Affiliations CMS Care Compare 4

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

Alton Memorial Hospital

Acute Care Hospitals · Alton, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140002
LocationOne Memorial DriveAlton, IL 62002 · Madison 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

Saint Francis Medical Center

Acute Care Hospitals · Cape Girardeau, MO
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260183
Location211 St Francis DrCape Girardeau, MO 63703 · Cape Girardeau County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63136 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 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
11155 DUNN RD STE 309E
SAINT LOUIS, MO 63136
Nurse Practitioner
11155 DUNN RD STE 309E
SAINT LOUIS, MO 63136
Physician Assistant
11155 DUNN RD STE 309E
SAINT LOUIS, MO 63136
Internal Medicine (Gastroenterology)
11155 DUNN RD STE 309E
SAINT LOUIS, MO 63136
Internal Medicine (Gastroenterology)
11155 DUNN RD STE 309E
SAINT LOUIS, MO 63136

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 Olayiwola Olagbegi's NPI number?

The NPI number for Olayiwola Olagbegi is 1912011255. It was assigned to this individual provider in the NPPES registry on August 17, 2006.

Where is Olayiwola Olagbegi located?

Olayiwola Olagbegi practices at 11155 Dunn Rd Ste 309E, Saint Louis, MO 63136. The listed phone number is (314) 953-8799.

What is Olayiwola Olagbegi's specialty?

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

Is Olayiwola Olagbegi enrolled in Medicare?

Yes. Olayiwola Olagbegi 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.

Is Olayiwola Olagbegi affiliated with any hospitals?

According to CMS data, Olayiwola Olagbegi is affiliated with Alton Memorial Hospital, Missouri Baptist Medical Center, Christian Hospital Northeast and Saint Francis Medical Center.

When was this NPI record last updated?

The NPPES record for Olayiwola Olagbegi was last updated on January 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.