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

DR. MCKENZIE RENE BARBER MD
NPI 1619611977
Obstetrics & Gynecology in Saint Louis, MO

Active since April 22, 2022PECOS Enrolled
4901 FOREST PARK AVE, DIV OBGYN MFM AND US, STE 710, SAINT LOUIS, MO 63108(314) 454-8181(314) 747-1429 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 11, 2026, Apr 22, 2022 (2 updates tracked since 2022).

About Dr. Mckenzie Rene Barber Md NPPES

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

DR. MCKENZIE RENE BARBER MD (NPI 1619611977) is an individual obstetrics & gynecology provider in Saint Louis, Missouri, licensed in Missouri (2025054243) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Indiana University School Of Medicine (2022).

NPPES Registry Identity

NPI1619611977
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. MCKENZIE RENE BARBERCredential: MD
Location Address4901 FOREST PARK AVE, DIV OBGYN MFM AND US, STE 710Saint Louis, MO 63108-1495
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 454-8181 · Fax (314) 747-1429
Phone(314) 454-8181
Fax(314) 747-1429
Sole ProprietorNo
Medical School CMSIndiana University School Of MedicineGraduated 2022
Enumeration DateApril 22, 2022
Last NPPES UpdateAugust 11, 20262 updates tracked since enumeration
NPPES CertifiedApril 22, 2022
✔ NPI 1619611977 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MO · 2025054243
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
4901 FOREST PARK AVE, Saint Louis, MO 63108
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Other Identifiers 1

Medicaid200111101MO

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. Mckenzie Rene Barber Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4183188576
PECOS Enrollment IDI20260716001623
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 63108 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
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.

DR. ERIN LEIGH DYER MD
General Practice
4901 FOREST PARK AVE, DIV IM GENERAL MED, STE 241
SAINT LOUIS, MO 63108
St. Louis City (314) 362-5060
DR. NICHOLE GALLEGOS ZEHNDER MD
General Practice
4901 FOREST PARK AVE, DIV IM GENERAL MED, STE 241
SAINT LOUIS, MO 63108
St. Louis City (314) 362-5060
MRS. NANCY J CIBULKA WHNP
Nurse Practitioner (Family)
4901 FOREST PARK AVE, STE 341
SAINT LOUIS, MO 63108
St. Louis City (314) 454-7882
DR. MARCIA J MCCABE PSYD
Psychologist
4901 FOREST PARK AVE, DEPT PSYCHIATRY, STE 441
SAINT LOUIS, MO 63108
St. Louis City (314) 286-1700
WASHINGTON UNIVERSITY
Clinic/Center (Multi-Specialty)
4901 FOREST PARK AVE
SAINT LOUIS, MO 63108
St. Louis City (314) 362-3937
DR. JING-WEI HUANG MD
Ophthalmology (Cornea and External Diseases Specialist)
4901 FOREST PARK AVE, DEPT OPHTHALMOLOGY, 6TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-3937
DR. JILLIAN MEI-LING LIU MD PHD
Ophthalmology (Cornea and External Diseases Specialist)
4901 FOREST PARK AVE, DEPT OPHTHALMOLOGY, 6TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-3937
DR. DAVID L EISENBERG MD
Obstetrics & Gynecology (Gynecology)
4901 FOREST PARK AVE, DIV OBGYN FAMILY PLANNING, STE 710
SAINT LOUIS, MO 63108
St. Louis City (314) 362-4211

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 Mckenzie Barber's NPI number?

The NPI number for Mckenzie Barber is 1619611977. It was assigned to this individual provider in the NPPES registry on April 22, 2022.

Where is Mckenzie Barber located?

Mckenzie Barber practices at 4901 Forest Park Ave Div Obgyn Mfm And Us, Ste 710, Saint Louis, MO 63108. The listed phone number is (314) 454-8181.

What is Mckenzie Barber's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Mckenzie Barber enrolled in Medicare?

Yes. Mckenzie Barber is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mckenzie Barber was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.