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

DR. IAN ZACHARY LEWIS D.O.
NPI 1053937995
Internal Medicine - Nephrology in Peoria, IL

Active since June 16, 2020PECOS Enrolled
420 NE GLEN OAK AVE STE 401, PEORIA, IL 61603(309) 676-8123(309) 676-8455 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 3, 2025, Jun 16, 2020 (2 updates tracked since 2020).

About Dr. Ian Zachary Lewis D.o. NPPES

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

DR. IAN ZACHARY LEWIS D.O. (NPI 1053937995) is an individual nephrology provider in Peoria, Illinois, licensed in Illinois (036180691) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1053937995
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. IAN ZACHARY LEWISCredential: D.O.
Location Address420 NE GLEN OAK AVE STE 401Peoria, IL 61603
Mailing Address1240 E Monroe StMorton, IL 61550-2356 · (734) 301-8648
Fax(309) 676-8455
Sole ProprietorYes
Enumeration DateJune 16, 2020
Last NPPES UpdateJuly 1, 20262 updates tracked since enumeration
NPPES CertifiedJuly 1, 2026
NPI 1053937995 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in IL · 036180691
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036180691 (IL)
420 NE GLEN OAK AVE STE 401, Peoria, IL 61603

Secondary Practice Locations 2

Location 1702 RittenhousePontiac, IL 61764 · Phone (309) 676-8123 · Fax (309) 676-8455
Location 21302 Franklin Ave Ste 3000Normal, IL 61761 · Phone (309) 676-8123 · Fax (309) 676-8455

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. Ian Zachary Lewis D.o. 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 61603 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
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
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.

Nurse Practitioner
420 NE GLEN OAK AVE STE 401
PEORIA, IL 61603
Internal Medicine (Nephrology)
420 NE GLEN OAK AVE STE 401
PEORIA, IL 61603
Internal Medicine (Nephrology)
420 NE GLEN OAK AVE STE 401
PEORIA, IL 61603
Internal Medicine (Nephrology)
420 NE GLEN OAK AVE STE 401
PEORIA, IL 61603
Internal Medicine (Nephrology)
420 NE GLEN OAK AVE STE 401
PEORIA, IL 61603
Internal Medicine (Nephrology)
420 NE GLEN OAK AVE STE 401
PEORIA, IL 61603
Nurse Practitioner (Family)
420 NE GLEN OAK AVE STE 401
PEORIA, IL 61603
Nurse Practitioner (Family)
420 NE GLEN OAK AVE STE 401
PEORIA, IL 61603

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 Ian Lewis's NPI number?

The NPI number for Ian Lewis is 1053937995. It was assigned to this individual provider in the NPPES registry on June 16, 2020.

Where is Ian Lewis located?

Ian Lewis practices at 420 NE Glen Oak Ave Ste 401, Peoria, IL 61603. The listed phone number is (309) 676-8123.

What is Ian Lewis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Ian Lewis enrolled in Medicare?

Yes. Ian Lewis is registered in the Medicare PECOS enrollment system.

What insurance does Ian Lewis accept?

Health plans from Anthem Blue Cross and Blue Shield and Network Health list Ian Lewis 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 Ian Lewis was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 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.