ANDREA DARCY O'RIORDAN - NPI 1861325425 - Obstetrics & Gynecology in Saint Louis, MO

Q: What is the provider's specialty?

The provider's specialty is Obstetrics & Gynecology with taxonomy code 207V00000X.

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About Andrea Darcy O'riordan NPPES

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

ANDREA DARCY O'RIORDAN (NPI 1861325425) is an individual obstetrics & gynecology provider in Saint Louis, Missouri, licensed in Missouri (2026026802) and active in the NPI registry since June 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861325425

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameANDREA DARCY O'RIORDAN

Location Address4901 FOREST PARK AVE STE 710Saint Louis, MO 63108-1495

Mailing Address4901 Forest Park Ave Ste 710Saint Louis, MO 63108-1495

Phone(314) 362-4211

Sole ProprietorNo

Enumeration DateJune 4, 2026

Last NPPES UpdateJune 12, 2026

NPPES CertifiedJune 12, 2026

✔ NPI 1861325425 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 · 2026026802

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 STE 710, Saint Louis, MO 63108

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Andrea Darcy O'riordan 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 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.