Oscar L. Castro, MD

Endocrinology · Internal Medicine (CMS) · Mobile, AL

Call (251) 633-8880 Directions

At a glance

6701 Airport Blvd, Mobile, AL 36608-6705

NPPES record updated Aug 7, 2026. Public records can lag behind changes at a practice.

Before you call: a quick checklist

Are you accepting new patients?
Do you accept my specific insurance plan?
Do you provide the service I need at this address?
Do I need a referral, and what is the earliest appointment?

Insurance participation and appointment availability are not established by these public records.

Medicare & insurance

Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.

How to check your coverage

Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.

Check the official Medicare directory ↗

Practice location

6701 Airport Blvd Suite A101
Mobile, AL 36608-6705

Additional reported practice locations

151 S Oak Ave Ste 2
San Luis, AZ 853360756
Phone: 9286620406
Fax: 9286620407

1100 N Kentucky Ave
West Plains, MO 657752029
Phone: 4172569111

3560 S 4Th St
Terre Haute, IN 478025540
Phone: 8122358496

REPORTED BACKGROUND

Education & affiliations

Medical / professional school: Not reported in this file
Graduation year: 1991
CMS specialties: Endocrinology · Internal Medicine

Reported hospital affiliations

Oroville Hospital Oroville, CA
Ozarks Healthcare West Plains, MO

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

Source: CMS Facility Affiliation Data · Published Oct 15, 2026.

Advertising spaceAdvertisements are separate from provider records.

PUBLISHED MEDICARE ACTIVITY

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

Service-mix comparison is unavailable for this NPI in the imported Medicare service file.

PAYMENT TRANSPARENCY

Industry-reported general payments

$131.36General payments · 2025

6Reported transactions

6Reporting companies

Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.

See payment purposes and reporting companies

Reported purposes

Purpose	Amount
Food and beverage	$131.36

Reporting companies

Company	Amount
AMGEN INC.	$45.28
NOVARTIS PHARMACEUTICALS CORPORATION	$27.35
AVERITAS PHARMA INC.	$21.04
EXACT SCIENCES CORPORATION	$15.88
BETA BIONICS, INC.	$14.20
CEQUR CORPORATION	$7.61

View official Open Payments profile ↗

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.

Professional details: NPI, taxonomy & registry record

NPI1093743288

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Registry details

Primary taxonomy: Endocrinology · Internal Medicine (CMS)
Taxonomy code: 207RE0101X
Enumeration date: Jun 28, 2006
Record updated: Aug 7, 2026

More registry details

Provider type: Individual · Type 1
Reported credentials: MD