DR. AILEEN PORTUGAL MD
NPI 1821559113
Obstetrics & Gynecology in Saint Louis, MO

Active since March 28, 2019PECOS Enrolled
4444 FOREST PARK AVE, DIV OB REPRODUCTIVE ENDOCRINOLOGY, STE 3100, SAINT LOUIS, MO 63108(314) 286-2400(314) 286-2455 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Aug 8, 2023 and 1 more (4 updates tracked since 2021).

About Dr. Aileen Portugal Md NPPES

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

DR. AILEEN PORTUGAL MD (NPI 1821559113) is an individual obstetrics & gynecology provider in Saint Louis, Missouri, licensed in Missouri (2023025245) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821559113
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. AILEEN PORTUGALCredential: MD
Location Address4444 FOREST PARK AVE, DIV OB REPRODUCTIVE ENDOCRINOLOGY, STE 3100Saint Louis, MO 63108-2212
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 286-2400 · Fax (314) 286-2455
Fax(314) 286-2455
Sole ProprietorNo
Enumeration DateMarch 28, 2019
Last NPPES UpdateApril 17, 20254 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2021
NPI 1821559113 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 · 2023025245
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.
4444 FOREST PARK AVE, Saint Louis, MO 63108

Other Identifiers 1

Medicaid200125703MO

Accepted Insurance

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. Aileen Portugal Md 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.

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.

Obstetrics & Gynecology (Reproductive Endocrinology)
4444 FOREST PARK AVE, DIV OB REPRODUCTIVE ENDOCRINOLOGY, STE 3100
SAINT LOUIS, MO 63108
Physical Therapist
4444 FOREST PARK AVE, STE 1210
SAINT LOUIS, MO 63108
Counselor (Professional)
4444 FOREST PARK AVE, STE 2600
SAINT LOUIS, MO 63108
Occupational Therapist
4444 FOREST PARK AVE, DEPT OCCUPATIONAL THERAPY, STE 2210
SAINT LOUIS, MO 63108
Psychiatry & Neurology (Child & Adolescent Psychiatry)
4444 FOREST PARK AVE, STE 2600
SAINT LOUIS, MO 63108
Clinical Neuropsychologist
4444 FOREST PARK AVE, DIV NEUROPSYCHOLOGY, 2ND FL
SAINT LOUIS, MO 63108
Occupational Therapist
4444 FOREST PARK AVE
SAINT LOUIS, MO 63108
Physical Therapist
4444 FOREST PARK AVE, STE 1210
SAINT LOUIS, MO 63108

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 Aileen Portugal's NPI number?

The NPI number for Aileen Portugal is 1821559113. It was assigned to this individual provider in the NPPES registry on March 28, 2019.

Where is Aileen Portugal located?

Aileen Portugal practices at 4444 Forest Park Ave Div Ob Reproductive Endocrinology, Ste 3100, Saint Louis, MO 63108. The listed phone number is (314) 286-2400.

What is Aileen Portugal's specialty?

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

Is Aileen Portugal enrolled in Medicare?

Yes. Aileen Portugal is registered in the Medicare PECOS enrollment system.

What insurance does Aileen Portugal accept?

Health plans from Cox HealthPlans list Aileen Portugal 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.

When was this NPI record last updated?

The NPPES record for Aileen Portugal was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.