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A. C. OJASCASTRO INC.
NPI 1356476758
Internal Medicine in Saint Louis, MO

Active since February 23, 2007
4130 S GRAND BLVD STE A, SAINT LOUIS, MO 63118(314) 353-2211(314) 353-6122 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 11, 2025, Feb 13, 2025, Aug 22, 2020 (3 updates tracked since 2020).

About A. C. Ojascastro Inc. NPPES

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

A. C. OJASCASTRO INC. (NPI 1356476758) is a healthcare organization registered as an internal medicine in Saint Louis, Missouri and active in the NPI registry since February 2007. The organization lists Robert Ojascastro, Business Manager, as its authorized official.

NPPES Registry Identity

NPI1356476758
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameA. C. OJASCASTRO INC.
Location Address4130 S GRAND BLVD STE ASaint Louis, MO 63118-3420
Mailing Address4130 S Grand Blvd Ste ASaint Louis, MO 63118-3420 · (314) 353-2211 · Fax (314) 353-6122
Phone(314) 353-2211
Fax(314) 353-6122
Organization SubpartNo
Authorized OfficialRobert OjascastroBusiness Manager · (314) 353-2211
Enumeration DateFebruary 23, 2007
Last NPPES UpdateSeptember 11, 20253 updates tracked since enumeration
NPPES CertifiedFebruary 13, 2025
✔ NPI 1356476758 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedFamily MedicineTaxonomy 207Q00000X
4130 S GRAND BLVD STE A, Saint Louis, MO 63118
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Other Identifiers 1

Medicaid502434202MO

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

A. C. Ojascastro Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to A. C. Ojascastro Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Victoria Ojascastro, M.D.
Internal Medicine
NPI 1285742858
5715 TELEGRAPH RD
Saint Louis, MO 63129
(314) 846-9190
✔ PECOS✔ Accepts Medicare8.7 mi

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

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 A. C. Ojascastro Inc.'s NPI number?

The NPI number for A. C. Ojascastro Inc. is 1356476758. It was assigned to this organization in the NPPES registry on February 23, 2007.

Where is A. C. Ojascastro Inc. located?

A. C. Ojascastro Inc. is located at 4130 S Grand Blvd Ste A, Saint Louis, MO 63118. The listed phone number is (314) 353-2211.

What is A. C. Ojascastro Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is A. C. Ojascastro Inc. enrolled in Medicare?

Yes. A. C. Ojascastro Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through A. C. Ojascastro Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to A. C. Ojascastro Inc.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does A. C. Ojascastro Inc. accept?

Health plans from Anthem Blue Cross and Blue Shield list A. C. Ojascastro Inc. 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 A. C. Ojascastro Inc. was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.