Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

IAN RICHARD COOK, MD, APMC
NPI 1932463452
Emergency Medicine in Palmdale, CA

Active since June 28, 2012
38660 MEDICAL CENTER DR STE A150, PALMDALE, CA 93551(661) 949-6946 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ian Richard Cook, Md, Apmc NPPES

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

IAN RICHARD COOK, MD, APMC (NPI 1932463452) is a healthcare organization registered as an emergency medicine in Palmdale, California and active in the NPI registry since June 2012. The organization lists Ian R Cook, Owner, as its authorized official.

NPPES Registry Identity

NPI1932463452
Entity TypeOrganization
Primary Taxonomy207P00000X
Legal Business NameIAN RICHARD COOK, MD, APMC
Location Address38660 MEDICAL CENTER DR STE A150Palmdale, CA 93551-4385
Mailing AddressPo Box 9126Canoga Park, CA 91309-0126 · (818) 709-8161 · Fax (818) 709-8160
Organization SubpartNo
Authorized OfficialIan R CookOwner · (310) 780-9608
Enumeration DateJune 28, 2012
Last NPPES UpdateOctober 19, 2026
NPPES CertifiedOctober 19, 2026
✔ NPI 1932463452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A107528
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
38660 MEDICAL CENTER DR STE A150, Palmdale, CA 93551

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ian Richard Cook, Md, Apmc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20120820001007Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Ian Richard Cook, MD, Apmc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Emergency Medicine
NPI 1659607315
38660 MEDICAL CENTER DR STE A150
Palmdale, CA 93551
(661) 949-6946
✔ PECOS✔ Accepts MedicareSame address

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 Ian Richard Cook, MD, Apmc's NPI number?

The NPI number for Ian Richard Cook, MD, Apmc is 1932463452. It was assigned to this organization in the NPPES registry on June 28, 2012.

Where is Ian Richard Cook, MD, Apmc located?

Ian Richard Cook, MD, Apmc is located at 38660 Medical Center Dr Ste A150, Palmdale, CA 93551. The listed phone number is (661) 949-6946.

What is Ian Richard Cook, MD, Apmc's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Ian Richard Cook, MD, Apmc enrolled in Medicare?

Yes. Ian Richard Cook, MD, Apmc is registered in the Medicare PECOS enrollment system.

When is Ian Richard Cook, MD, Apmc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Ian Richard Cook, MD, Apmc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Emergency Medicine) reassigns their Medicare billing to Ian Richard Cook, MD, Apmc. 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.

When was this NPI record last updated?

The NPPES record for Ian Richard Cook, MD, Apmc was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.