DR. KATHERINE HOU ZHU MD
NPI 1801416938
Obstetrics & Gynecology in Saint Louis, MO

Q: What is Katherine Zhu's NPI number?

The NPI number for Katherine Zhu is 1801416938. It was assigned to this individual provider in the NPPES registry on April 18, 2020.

Q: What is Katherine Zhu's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Katherine Zhu was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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 April 18, 2020PECOS EnrolledAccepts Medicare Assignment

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: November 3, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 3, 2025, Aug 14, 2025, Jun 17, 2024 and 4 more (7 updates tracked since 2020).

On this page

About Dr. Katherine Hou Zhu Md NPPES

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

DR. KATHERINE HOU ZHU MD (NPI 1801416938) is an individual obstetrics & gynecology provider in Saint Louis, Missouri, licensed in Missouri (2025013244) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Baylor College Of Medicine (2020).

NPPES Registry Identity

NPI1801416938

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameDR. KATHERINE HOU ZHUCredential: 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 CMSBaylor College Of MedicineGraduated 2020

Enumeration DateApril 18, 2020

Last NPPES UpdateNovember 3, 20257 updates tracked since enumeration

NPPES CertifiedAugust 14, 2025

✔ NPI 1801416938 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 · 2025013244

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

Medicaid200159211MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans.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

Dr. Katherine Hou Zhu Md 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 ID2264855337

PECOS Enrollment IDI20250718001509

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

Medicare enrollment records show Katherine Zhu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Washington University

0.4 mi

Multi-Specialty

660 S EUCLID AVE
Saint Louis, MO 63110

Reassigned Medicare billing, Missouri enrollment
105 clinicians in this Medicare group

NPI 1760422265 (314) 362-4964

Erie Family Health Center Inc

260 mi

Federally Qualified Health Center (FQHC)

1504 S ALBANY
Chicago, IL 60623

Reassigned Medicare billing, Illinois enrollment
383 clinicians in this Medicare group

NPI 1043407547 (312) 666-3494

Endeavor Health Medical Group

273 mi

Allergy & Immunology

1000 CENTRAL ST
Evanston, IL 60201

Reassigned Medicare billing, Illinois enrollment
4,841 clinicians in this Medicare group

NPI 1497701882 (847) 570-5235

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number260032

LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County

Emergency services Birthing friendly

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. 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

NICHOLAS RICHARD LEVERGOOD MD

Ophthalmology (Ophthalmic Plastic and Reconstructive Surgery)

4901 FOREST PARK AVE, DEPT OPHTHALMOLOGY, 6TH FL
SAINT LOUIS, MO 63108

St. Louis City (314) 362-3937

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 Katherine Zhu's NPI number?

The NPI number for Katherine Zhu is 1801416938. It was assigned to this individual provider in the NPPES registry on April 18, 2020.

Where is Katherine Zhu located?

Katherine Zhu 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 Katherine Zhu's specialty?

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

Is Katherine Zhu enrolled in Medicare?

Yes. Katherine Zhu 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 Katherine Zhu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Zhu reassigns Medicare benefits to 3 organizations: Washington University (Saint Louis, MO), Erie Family Health Center Inc (Chicago, IL) and Endeavor Health Medical Group (Evanston, 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 Katherine Zhu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Zhu accept?

Health plans from Cox HealthPlans list Katherine Zhu 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.

Is Katherine Zhu affiliated with any hospitals?

According to CMS data, Katherine Zhu is affiliated with Barnes Jewish Hospital.

When was this NPI record last updated?

The NPPES record for Katherine Zhu was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.