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

NPI Status: Active since July 26, 2016

Contact Information

16305 SAND CANYON AVE
SUITE 160
IRVINE, CA
ZIP 92618
Phone: (949) 557-0180

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  • Organization
  • Surgery

About HEATHER R MACDONALD MD A MEDICAL CORPORATION

This page provides the complete NPI Profile along with additional information for Heather R Macdonald Md A Medical Corporation, a provider established in Irvine, California operating as a Surgery. The healthcare provider is registered in the NPI registry with number 1821541921 assigned on July 2016. The practitioner's primary taxonomy code is 208600000X with license number A75177 (CA). The provider is registered as an organization and their NPI record was last updated 3 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Heather R Macdonald Md (Physician)

NPI
1821541921
Provider Name
HEATHER R MACDONALD MD A MEDICAL CORPORATION
Entity Type
Organization
Location Address
16305 SAND CANYON AVE SUITE 160 IRVINE, CA 92618
Location Phone
(949) 557-0180
Mailing Address
5325 ALTON PKWY STE C715 IRVINE, CA 92604
Mailing Phone
(949) 857-1473
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-26-2016
Last Update Date
01-12-2023
Code Navigator

A surgeon like Heather R Macdonald Md A Medical Corporation treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Surgery

Taxonomy Code
208600000X
Type
Allopathic & Osteopathic Physicians
License No.
A75177
License State
CA
Taxonomy Description
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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

HEATHER R MACDONALD MD

Authorized Official Title
PHYSICIAN
Authorized Official Phone
(310) 403-0918

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1821541921, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
1
Doubled → 2
Pos 8
9
Unchanged
Pos 9
2
Doubled → 4
Check
1
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 2 → 4 5 → 10 → 1 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 4 + 1 + 1 + 0 + 4 + 2 + 9 + 4 + 24 = 59

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1821541921.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Specialist
16305 SAND CANYON AVE, SUITE 220
IRVINE, CA 92618
Specialist
16305 SAND CANYON AVE, STE 220
IRVINE, CA 92618
Internal Medicine (Gastroenterology)
16305 SAND CANYON AVE, STE 220
IRVINE, CA 92618
Internal Medicine
16305 SAND CANYON AVE, # 220
IRVINE, CA 92618
Advanced Practice Midwife
16305 SAND CANYON AVE
IRVINE, CA 92618
Internal Medicine (Nephrology)
16305 SAND CANYON AVE, SUITE 220
IRVINE, CA 92618

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821541921, enumerated as an "organization" on July 26, 2016.

The provider is located at 16305 SAND CANYON AVE SUITE 160 IRVINE, CA 92618 and the phone number is (949) 557-0180.

Surgery with taxonomy code 208600000X.