DR. OLIVER D GILLIAM M.D.
NPI 1497759765
Internal Medicine - Gastroenterology in South Bend, IN

Active since June 02, 2005PECOS Enrolled
17501 GENERATIONS DR, SOUTH BEND, IN 46635(574) 234-0049(574) 251-2861 Get Directions Write a Review

NPPES record last updated: January 21, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Oliver D Gilliam M.d. NPPES

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

DR. OLIVER D GILLIAM M.D. (NPI 1497759765) is an individual gastroenterology provider in South Bend, Indiana, licensed in Indiana (01035882A) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1497759765
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. OLIVER D GILLIAMCredential: M.D.
Location Address17501 GENERATIONS DRSouth Bend, IN 46635-1589
Mailing Address17501 Generations DrSouth Bend, IN 46635-1589 · (574) 234-0049 · Fax (574) 251-2861
Fax(574) 251-2861
Sole ProprietorNo
Enumeration DateJune 2, 2005
Last NPPES UpdateJanuary 21, 2011
NPI 1497759765 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 IN · 01035882A
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.
17501 GENERATIONS DR, South Bend, IN 46635

Other Identifiers 7

Other100010837IN · Railroad Medicare
Medicare PIN736980DIN
Medicaid100090510IN
Medicare UPINC24549IN
Other000000084427IN · Anthem
Other2738533002IN · Cigna
Other4667992IN · Aetna

Accepted Insurance

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. Oliver D Gilliam 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.

Areas of Expertise CMS Part B claims 3

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.

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.
61 services61 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.
13 services13 patients
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121
Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46635 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Closing the Referral Loop: Receipt of Specialist Report
Percentage of patients with referrals, regardless of age, for which the referring provider receives a report from the provider to whom the patient was referred
62%21 patients3/55-star benchmark: 95%
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
60%313 patients3/55-star benchmark: 85%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
97%663 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
100%51 patients5/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
53%161 patients3/55-star benchmark: 99%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
41%538 patients2/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 92% · 732 patients
Patients tobacco: 0% · 732 patients
56%366 patients3/55-star benchmark: 98%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
96%170 patients4/55-star benchmark: 100%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
12%161 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 11

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

Internal Medicine (Gastroenterology)
17501 GENERATIONS DR
SOUTH BEND, IN 46635
Nurse Practitioner
17501 GENERATIONS DR
SOUTH BEND, IN 46635
Internal Medicine (Gastroenterology)
17501 GENERATIONS DR
SOUTH BEND, IN 46635
Internal Medicine
17501 GENERATIONS DR
SOUTH BEND, IN 46635
Internal Medicine (Gastroenterology)
17501 GENERATIONS DR
SOUTH BEND, IN 46635
Internal Medicine (Gastroenterology)
17501 GENERATIONS DR
SOUTH BEND, IN 46635
Internal Medicine (Gastroenterology)
17501 GENERATIONS DR
SOUTH BEND, IN 46635
Internal Medicine (Gastroenterology)
17501 GENERATIONS DR
SOUTH BEND, IN 46635

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 Oliver Gilliam's NPI number?

The NPI number for Oliver Gilliam is 1497759765. It was assigned to this individual provider in the NPPES registry on June 2, 2005.

Where is Oliver Gilliam located?

Oliver Gilliam practices at 17501 Generations Dr, South Bend, IN 46635. The listed phone number is (574) 234-0049.

What is Oliver Gilliam's specialty?

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

Is Oliver Gilliam enrolled in Medicare?

Yes. Oliver Gilliam is registered in the Medicare PECOS enrollment system.

What insurance does Oliver Gilliam accept?

Health plans from CareSource list Oliver Gilliam 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.

When was this NPI record last updated?

The NPPES record for Oliver Gilliam was last updated on January 21, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.