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HEATHER R MACDONALD MD A MEDICAL CORPORATION
NPI 1821541921
Surgery in Irvine, CA

Active since July 26, 2016
16305 SAND CANYON AVE, SUITE 160, IRVINE, CA 92618(949) 557-0180 Get Directions Write a Review

NPPES record last updated: January 12, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 12, 2023, Sep 19, 2016 (2 updates tracked since 2016).

About Heather R Macdonald Md A Medical Corporation NPPES

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

HEATHER R MACDONALD MD A MEDICAL CORPORATION (NPI 1821541921) is a healthcare organization registered as a surgery in Irvine, California and active in the NPI registry since July 2016. The organization lists Heather R Macdonald, Physician, as its authorized official.

NPPES Registry Identity

NPI1821541921
Entity TypeOrganization
Primary Taxonomy208600000X
Legal Business NameHEATHER R MACDONALD MD A MEDICAL CORPORATION
Location Address16305 SAND CANYON AVE, SUITE 160Irvine, CA 92618-3782
Mailing Address5325 Alton Pkwy Ste C715Irvine, CA 92604-8610 · (949) 857-1473
Phone(949) 557-0180
Organization SubpartNo
Authorized OfficialHeather R MacdonaldPhysician · (310) 403-0918
Enumeration DateJuly 26, 2016
Last NPPES UpdateJanuary 12, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2023
✔ NPI 1821541921 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · A75177
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
16305 SAND CANYON AVE, Irvine, CA 92618
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Heather R Macdonald Md A Medical Corporation 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 Heather R Macdonald MD A Medical Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Heather Macdonald, M.D.
Obstetrics/Gynecology
NPI 1326158619
1510 SAN PABLO ST SUITE 514
Los Angeles, CA 90033
(323) 865-3000
✔ PECOS✔ Accepts Medicare37 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 Heather R Macdonald MD A Medical Corporation's NPI number?

The NPI number for Heather R Macdonald MD A Medical Corporation is 1821541921. It was assigned to this organization in the NPPES registry on July 26, 2016.

Where is Heather R Macdonald MD A Medical Corporation located?

Heather R Macdonald MD A Medical Corporation is located at 16305 Sand Canyon Ave Suite 160, Irvine, CA 92618. The listed phone number is (949) 557-0180.

What is Heather R Macdonald MD A Medical Corporation's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Heather R Macdonald MD A Medical Corporation enrolled in Medicare?

Yes. Heather R Macdonald MD A Medical Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Heather R Macdonald MD A Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Heather R Macdonald MD A Medical Corporation. 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 Heather R Macdonald MD A Medical Corporation was last updated on January 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.