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OLATUNJI WALTER WILLIAMS MD
NPI 1952474710
Pediatrics - Pediatric Pulmonology in Indianapolis, IN

Active since November 17, 2006PECOS Enrolled
8402 HARCOURT RD STE 300, INDIANAPOLIS, IN 46260(317) 338-5288 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 2, 2026, Sep 8, 2025, May 18, 2022 and 1 more (4 updates tracked since 2016).

About Olatunji Walter Williams Md NPPES

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

OLATUNJI WALTER WILLIAMS MD (NPI 1952474710) is an individual pediatric pulmonology provider in Indianapolis, Indiana, licensed in Indiana (01069518A) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1952474710
Entity TypeIndividualMale
Primary Taxonomy2080P0214X
Provider Legal NameOLATUNJI WALTER WILLIAMSCredential: MD
Location Address8402 HARCOURT RD STE 300Indianapolis, IN 46260-2052
Mailing Address8402 Harcourt Rd Ste 300Indianapolis, IN 46260-2052
Phone(317) 338-5288
Sole ProprietorNo
Enumeration DateNovember 17, 2006
Last NPPES UpdateJune 2, 20264 updates tracked since enumeration
NPPES CertifiedJune 2, 2026
✔ NPI 1952474710 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric PulmonologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0214X
Licenses✔ Licensed in IN · 01069518A✔ Licensed in TX · M4984✔ Licensed in IL · 036165079
Definition
A pediatrician dedicated to the prevention and treatment of all respiratory diseases affecting infants, children and young adults. This specialist is knowledgeable about the growth and development of the lung, assessment of respiratory function in infants and children, and experienced in a variety of invasive and noninvasive diagnostic techniques.
Also ListedPediatricsTaxonomy 208000000X · License 01069518A (IN)
8402 HARCOURT RD STE 300, Indianapolis, IN 46260
Open in Google Maps ↗

Secondary Practice Locations 2

Location 110855 Virginia StCrown Point, IN 46307-0210 · Phone (888) 824-0200
Location 25841 S Maryland AveChicago, IL 60637-1443 · Phone (888) 824-0200

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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)

Olatunji Walter Williams 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.

Other Providers at the Same Location NPPES 16

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

BENJAMIN COMMONS FNP
Nurse Practitioner (Family)
8402 HARCOURT RD STE 300
INDIANAPOLIS, IN 46260
Marion County (317) 338-3100
LUIS FERNANDO ESCOBAR MD
Medical Genetics (Clinical Genetics (M.D.))
8402 HARCOURT RD STE 300
INDIANAPOLIS, IN 46260
Marion County (317) 338-5288
MARGARET BURKE FNP-C
Nurse Practitioner (Pediatrics)
8402 HARCOURT RD STE 300
INDIANAPOLIS, IN 46260
Marion County (317) 338-5288
AMY KAKKANATT M.D.
Pediatrics (Pediatric Endocrinology)
8402 HARCOURT RD STE 300
INDIANAPOLIS, IN 46260
Marion County (317) 338-3100
CYNTHIA HAAG
Genetic Counselor, MS
8402 HARCOURT RD STE 300
INDIANAPOLIS, IN 46260
Marion County (317) 338-5243
AUDREY SAMUELSON MS, CGC
Genetic Counselor, MS
8402 HARCOURT RD STE 300
INDIANAPOLIS, IN 46260
Marion County (317) 338-8983
AFIFA ELIZABETH IRANI LCGC, MS, MPH
Genetic Counselor, MS
8402 HARCOURT RD STE 300
INDIANAPOLIS, IN 46260
Marion County (317) 338-5251
MRS. JORI DANAE MATUSHEK NP
Nurse Practitioner (Pediatrics)
8402 HARCOURT RD STE 300
INDIANAPOLIS, IN 46260
Marion County (317) 388-3100

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 Olatunji Williams's NPI number?

The NPI number for Olatunji Williams is 1952474710. It was assigned to this individual provider in the NPPES registry on November 17, 2006.

Where is Olatunji Williams located?

Olatunji Williams practices at 8402 Harcourt Rd Ste 300, Indianapolis, IN 46260. The listed phone number is (317) 338-5288.

What is Olatunji Williams's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Pulmonology, with taxonomy code 2080P0214X.

Is Olatunji Williams enrolled in Medicare?

Yes. Olatunji Williams is registered in the Medicare PECOS enrollment system.

What insurance does Olatunji Williams accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, BlueCross BlueShield of Tennessee and CareSource list Olatunji Williams 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 Olatunji Williams was last updated on June 2, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.