Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LANNY E STILES DO
NPI 1508951781
Psychiatry & Neurology - Child & Adolescent Psychiatry in Quincy, IL

Active since October 04, 2006PECOS EnrolledAccepts Medicare Assignment
927 BROADWAY ST, QUINCY, IL 62301(217) 224-4453(217) 224-9383 Get Directions Write a Review

NPPES record last updated: October 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 9, 2026, Oct 9, 2018, May 19, 2016 (3 updates tracked since 2016).

About Lanny E Stiles Do NPPES

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

LANNY E STILES DO (NPI 1508951781) is an individual child & adolescent psychiatry provider in Quincy, Illinois, licensed in Illinois (036-105941) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1967).

NPPES Registry Identity

NPI1508951781
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameLANNY E STILESCredential: DO
Location Address927 BROADWAY STQuincy, IL 62301-2719
Mailing Address1005 Broadway StQuincy, IL 62301-2834 · (217) 223-8400 · Fax (217) 277-3960
Fax(217) 224-9383
Sole ProprietorNo
Medical School CMSOtherGraduated 1967
Enumeration DateOctober 4, 2006
Last NPPES UpdateOctober 9, 20263 updates tracked since enumeration
NPPES CertifiedOctober 9, 2026
✔ NPI 1508951781 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in IL · 036-105941
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 036-105941 (IL)
927 BROADWAY ST, Quincy, IL 62301

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lanny E Stiles Do 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 ID1759576549
PECOS Enrollment IDI20101105000728
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 Reassignments

2

Medicare enrollment records show Lanny Stiles reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
Multi-Specialty
1005 BROADWAY ST
Quincy, IL 62301
  • Reassigned Medicare billing, Illinois enrollment
  • 363 clinicians in this Medicare group
Primary Care
520 N 4TH ST
Springfield, IL 62702
  • Reassigned Medicare billing, Illinois enrollment
  • 262 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Family Medicine
927 BROADWAY ST, SUITE 121
QUINCY, IL 62301
Social Worker (Clinical)
927 BROADWAY ST
QUINCY, IL 62301
Social Worker (Clinical)
927 BROADWAY ST
QUINCY, IL 62301
Pediatrics
927 BROADWAY ST
QUINCY, IL 62301
Psychiatry & Neurology (Psychiatry)
927 BROADWAY ST
QUINCY, IL 62301
Social Worker (Clinical)
927 BROADWAY ST
QUINCY, IL 62301
Psychiatry & Neurology (Neurology)
927 BROADWAY ST
QUINCY, IL 62301
Counselor (Professional)
927 BROADWAY ST
QUINCY, IL 62301

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 Lanny Stiles's NPI number?

The NPI number for Lanny Stiles is 1508951781. It was assigned to this individual provider in the NPPES registry on October 4, 2006.

Where is Lanny Stiles located?

Lanny Stiles practices at 927 Broadway St, Quincy, IL 62301. The listed phone number is (217) 224-4453.

What is Lanny Stiles's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Lanny Stiles enrolled in Medicare?

Yes. Lanny Stiles 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.

Which organizations bill Medicare for Lanny Stiles's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lanny Stiles reassigns Medicare benefits to 2 organizations: Blessing Hospital (Quincy, IL) and Board Of Trustees Of Southern Illinois University (Springfield, IL). Each 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 Lanny Stiles's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lanny Stiles accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 4 other insurers list Lanny Stiles 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 Lanny Stiles was last updated on October 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.