HILARY (HIRO) ROSS MD, MCR
NPI 1679109474
Pathology - Anatomic Pathology in Los Angeles, CA

NPI Status: Active since March 13, 2020

Contact Information

757 WESTWOOD PLZ
LOS ANGELES, CA
ZIP 90095
Phone: (310) 267-2680

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  • Individual
  • Pathology
  • Anatomic Pathology

About HILARY (HIRO) ROSS

This page provides the complete NPI Profile along with additional information for Hilary (hiro) Ross, a provider established in Los Angeles, California operating as a Pathology, focusing in anatomic pathology . The healthcare provider is registered in the NPI registry with number 1679109474 assigned on March 2020. The practitioner's primary taxonomy code is 207ZP0101X with license number A199008 (CA). The provider is registered as an individual and their NPI record was last updated March 2026.

NPI
1679109474
Provider Name
HILARY (HIRO) ROSS MD, MCR
Gender
Entity Type
Individual
Location Address
757 WESTWOOD PLZ LOS ANGELES, CA 90095
Location Phone
(310) 267-2680
Mailing Address
3181 SW SAM JACKSON PARK RD PORTLAND, OR 97239
Mailing Phone
(541) 880-6862
Is Sole Proprietor?
Yes
Enumeration Date
03-13-2020
Last Update Date
03-04-2026
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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

Pathology Anatomic Pathology

Taxonomy Code
207ZP0101X
Type
Allopathic & Osteopathic Physicians
License No.
A199008
License State
CA
Taxonomy Description
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

(NM)

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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 1679109474, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
6
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
9
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
4
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 7 → 14 → 5 1 → 2 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 4 + 9 + 2 + 0 + 1 + 8 + 4 + 1 + 4 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1679109474.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Rehabilitation Unit
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Emergency Medicine (Emergency Medical Services)
757 WESTWOOD PLZ, RM 14-19
LOS ANGELES, CA 90095
Emergency Medicine (Emergency Medical Services)
757 WESTWOOD PLZ, RM 14-19
LOS ANGELES, CA 90095
Emergency Medicine (Emergency Medical Services)
757 WESTWOOD PLZ, RM 14-19
LOS ANGELES, CA 90095
Emergency Medicine (Emergency Medical Services)
757 WESTWOOD PLZ, RM 14-19
LOS ANGELES, CA 90095
Emergency Medicine (Emergency Medical Services)
757 WESTWOOD PLZ, RM 14-19
LOS ANGELES, CA 90095
Emergency Medicine (Emergency Medical Services)
757 WESTWOOD PLZ, RM 14-19
LOS ANGELES, CA 90095
Emergency Medicine (Emergency Medical Services)
757 WESTWOOD PLZ, RM 14-19
LOS ANGELES, CA 90095
Emergency Medicine (Emergency Medical Services)
757 WESTWOOD PLZ, RM 14-19
LOS ANGELES, CA 90095
Emergency Medicine (Emergency Medical Services)
757 WESTWOOD PLZ, RM 14-19
LOS ANGELES, CA 90095
Emergency Medicine (Emergency Medical Services)
757 WESTWOOD PLZ, RM 14-19
LOS ANGELES, CA 90095
Internal Medicine (Pulmonary Disease)
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Anesthesiology
757 WESTWOOD PLZ, SUITE 3325
LOS ANGELES, CA 90095
Emergency Medicine (Emergency Medical Services)
757 WESTWOOD PLZ, RM 14-19
LOS ANGELES, CA 90095
Emergency Medicine (Emergency Medical Services)
757 WESTWOOD PLZ, RM14-19
LOS ANGELES, CA 90095
Emergency Medicine
757 WESTWOOD PLZ, RM# 1517
LOS ANGELES, CA 90095
Anesthesiology
757 WESTWOOD PLZ, SUITE 3304
LOS ANGELES, CA 90095
Social Worker (Clinical)
757 WESTWOOD PLZ, B788
LOS ANGELES, CA 90095
Radiology (Diagnostic Radiology)
757 WESTWOOD PLZ, UCLA MEDICAL CENTER, DEPARTMENT OF RADIOLOGY
LOS ANGELES, CA 90095
Social Worker
757 WESTWOOD PLZ
LOS ANGELES, CA 90095

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1679109474, enumerated as an "individual" on March 13, 2020.

The provider is located at 757 WESTWOOD PLZ LOS ANGELES, CA 90095 and the phone number is (310) 267-2680.

Pathology with taxonomy code 207ZP0101X and a focus in Anatomic Pathology.