Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Michael A Castillo MD PC

Q: What is the NPI number for Michael A Castillo MD PC?

The NPI for Michael A Castillo MD PC is 1750562534, a Type 2 (organization) record in the CMS NPPES registry.

Pain Medicine Physician in Glendale, AZ · enumerated 2007 · authorized official Stephanie Castillo, Practice Manager.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1750562534

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Registry record

Entity type Organization (Type 2)

Legal business name Michael A Castillo MD PC

Practice address 11851 N 51st Ave Ste D120, Glendale, AZ, 85304

Phone (602) 242-9891

Fax (602) 242-9895

Enumeration date Nov 20, 2007

Last updated in NPPES Aug 20, 2026

Taxonomy & classification

207LP2900X Pain Medicine (Anesthesiology) Physician Allopathic & Osteopathic Physicians · License 27636 (AZ) Secondary

208VP0000X Pain Medicine Physician Allopathic & Osteopathic Physicians · License 27636 (AZ) Primary

208VP0014X Interventional Pain Medicine Physician Allopathic & Osteopathic Physicians · License 27636 (AZ) Secondary

Authorized official

Name Stephanie Castillo

Title Practice Manager

Phone (602) 242-9891

Other identifiers

Identifier	Type	State	Issuer
517419	Medicaid	AZ	-
6669	Other	-	Medicare ID

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Michael A Castillo MD PC?

The NPI for Michael A Castillo MD PC is 1750562534, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Michael A Castillo MD PC?

NPPES lists Stephanie Castillo (Practice Manager) as the authorized official for this organization.

Providers at this address

Browse all →

Michael A Castillo MD, PC Ambulatory Surgical Clinic/Center · Glendale, AZ NPI 1316361199 Podiatric Physicians of Arizona, Inc. Foot & Ankle Surgery Podiatrist · Glendale, AZ NPI 1609366533 Michael Castillo Pain Medicine (Anesthesiology) Physician · Glendale, AZ NPI 1619991643

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-20.