Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. ANTONINA S GESMUNDO MD
NPI 1003804253
Psychiatry & Neurology - Psychiatry in Saint Louis, MO

Q: What is Antonina Gesmundo's NPI number?

The NPI number for Antonina Gesmundo is 1003804253. It was assigned to this individual provider in the NPPES registry on October 12, 2005.

Q: What is Antonina Gesmundo's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Antonina Gesmundo was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since October 12, 2005PECOS Enrolled

1 JEFFERSON BARRACKS DR, SAINT LOUIS, MO 63125(314) 894-6636 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Dr. Antonina S Gesmundo Md NPPES

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

DR. ANTONINA S GESMUNDO MD (NPI 1003804253) is an individual psychiatry provider in Saint Louis, Missouri, licensed in Missouri (R7228) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003804253

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameDR. ANTONINA S GESMUNDOCredential: MD

Location Address1 JEFFERSON BARRACKS DRSaint Louis, MO 63125-4181

Mailing Address14245 Reelfoot Lake DrChesterfield, MO 63017-2936 · (314) 469-1049

Phone(314) 894-6636

Sole ProprietorNo

Enumeration DateOctober 12, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1003804253 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in MO · R7228

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

1 JEFFERSON BARRACKS DR, Saint Louis, MO 63125

Open in Google Maps ↗

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. Antonina S Gesmundo 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 63125 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

$169.38 typical visit price

range $55.65 – $169.38

Typical copayment $42.34 (range $13.91 – $42.34)

Most-billed visit code 99205

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.

Leave this field empty