DR. JULIA D.E. CHAFFAY MD
NPI 1508329384
Obstetrics & Gynecology in Saint Louis, MO

Q: What is Julia Chaffay's NPI number?

The NPI number for Julia Chaffay is 1508329384. It was assigned to this individual provider in the NPPES registry on April 9, 2019.

Q: What is Julia Chaffay'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 Julia Chaffay was last updated on March 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 09, 2019PECOS 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: March 23, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 23, 2026, Apr 25, 2024, Apr 10, 2024 and 3 more (6 updates tracked since 2019).

On this page

About Dr. Julia D.e. Chaffay Md NPPES

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

DR. JULIA D.E. CHAFFAY MD (NPI 1508329384) is an individual obstetrics & gynecology provider in Saint Louis, Missouri, licensed in Missouri (2023011142) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1508329384

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameDR. JULIA D.E. CHAFFAYCredential: 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 CMSOtherGraduated 2019

Enumeration DateApril 9, 2019

Last NPPES UpdateMarch 23, 20266 updates tracked since enumeration

NPPES CertifiedMarch 23, 2026

✔ NPI 1508329384 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 · 2023011142

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

Open in Google Maps ↗

Other Identifiers 1

Medicaid200121993MO

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Julia D.e. Chaffay 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 ID7012373376

PECOS Enrollment IDI20230512000106

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.

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. 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 Julia Chaffay's NPI number?

The NPI number for Julia Chaffay is 1508329384. It was assigned to this individual provider in the NPPES registry on April 9, 2019.

Where is Julia Chaffay located?

Julia Chaffay 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 Julia Chaffay's specialty?

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

Is Julia Chaffay enrolled in Medicare?

Yes. Julia Chaffay 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.

What insurance does Julia Chaffay accept?

Health plans from Cox HealthPlans list Julia Chaffay 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 Julia Chaffay affiliated with any hospitals?

According to CMS data, Julia Chaffay is affiliated with Barnes Jewish Hospital.

When was this NPI record last updated?

The NPPES record for Julia Chaffay was last updated on March 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.