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

DR. RONALD C BILCHIK M.D.
NPI 1992740435
Specialist in Chesterfield, MO

Q: What is Ronald Bilchik's NPI number?

The NPI number for Ronald Bilchik is 1992740435. It was assigned to this individual provider in the NPPES registry on June 18, 2006.

Q: What is Ronald Bilchik's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Ronald Bilchik was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 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.

Active since June 18, 2006

222 S WOODS MILL RD, SUITE 660N, CHESTERFIELD, MO 63017(314) 878-9902(314) 878-5112 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Ronald C Bilchik M.d. NPPES

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

DR. RONALD C BILCHIK M.D. (NPI 1992740435) is an individual specialist in Chesterfield, Missouri, licensed in Missouri (31223) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1992740435

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. RONALD C BILCHIKCredential: M.D.

Location Address222 S WOODS MILL RD, SUITE 660NChesterfield, MO 63017-3625

Mailing Address222 S Woods Mill Rd, Suite 660nChesterfield, MO 63017-3625 · (314) 878-9902 · Fax (314) 878-5112

Phone(314) 878-9902

Fax(314) 878-5112

Sole ProprietorNo

Enumeration DateJune 18, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1992740435 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in MO · 31223

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

222 S WOODS MILL RD, Chesterfield, MO 63017

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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.

MS. KIMBERLY C GRUNZINGER MSN, RN, ACNS-BC

Clinical Nurse Specialist (Adult Health)

222 S WOODS MILL RD, SUITE 480 N
CHESTERFIELD, MO 63017

St. Louis County (314) 576-7343

RACHEL LYNN FISHMAN OIKNINE M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

222 S WOODS MILL RD, SUITE 410N
CHESTERFIELD, MO 63017

St. Louis County (314) 469-6224

MARYLAND MEDICAL GROUP LTD

Internal Medicine

222 S WOODS MILL RD, SUITE 350N
CHESTERFIELD, MO 63017

St. Louis County (314) 205-6557

MARIA THERESA WEIR

Nurse Practitioner (Adult Health)

222 S WOODS MILL RD, SUITE 410N
CHESTERFIELD, MO 63017

St. Louis County (314) 469-6224

JOHN BEST MD

Internal Medicine (Pulmonary Disease)

222 S WOODS MILL RD, SUITE 310 NORTH
CHESTERFIELD, MO 63017

St. Louis County (314) 576-6700

WEST COUNTY OPHTHALMOLOGY, INC

Ophthalmology

222 S WOODS MILL RD, SUITE 660N
CHESTERFIELD, MO 63017

St. Louis County (314) 878-9902

TARISAI SHARON NYAHODA MD

Internal Medicine (Geriatric Medicine)

222 S WOODS MILL RD
CHESTERFIELD, MO 63017

St. Louis County (314) 205-6050

ZOE LEYH DO

Internal Medicine (Infectious Disease)

222 S WOODS MILL RD
CHESTERFIELD, MO 63017

St. Louis County (314) 205-6050

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 Ronald Bilchik's NPI number?

The NPI number for Ronald Bilchik is 1992740435. It was assigned to this individual provider in the NPPES registry on June 18, 2006.

Where is Ronald Bilchik located?

Ronald Bilchik practices at 222 S Woods Mill Rd Suite 660N, Chesterfield, MO 63017. The listed phone number is (314) 878-9902.

What is Ronald Bilchik's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Ronald Bilchik was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 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.