DR. MORTEZA SAJADIAN M.D.
NPI 1548384746
Surgery in Pomona, CA

NPI Status: Active since March 16, 2007

Contact Information

1818 N ORANGE GROVE AVE
SUITE 202
POMONA, CA
ZIP 91767
Phone: (909) 865-3000
Fax: (909) 865-6223

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  • Individual
  • Male
  • Surgery

About MORTEZA SAJADIAN

This page provides the complete NPI Profile along with additional information for Morteza Sajadian, a provider established in Pomona, California with a medical specialization in Surgery. The healthcare provider is registered in the NPI registry with number 1548384746 assigned on March 2007. The practitioner's primary taxonomy code is 208600000X with license number C42140 (CA). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1548384746
Provider Name
DR. MORTEZA SAJADIAN M.D.
Gender
Male
Entity Type
Individual
Location Address
1818 N ORANGE GROVE AVE SUITE 202 POMONA, CA 91767
Location Phone
(909) 865-3000
Location Fax
(909) 865-6223
Mailing Address
PO BOX 2016 YORBA LINDA, CA 92885
Mailing Phone
(714) 218-1829
Mailing Fax
(909) 865-6223
Is Sole Proprietor?
Yes
Enumeration Date
03-16-2007
Last Update Date
07-05-2026
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A surgeon like Morteza Sajadian 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.
C42140
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.

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)
12086S0129XAllopathic & Osteopathic Physicians

Surgery
Vascular Surgery

HC42140 (CA)
2208D00000XAllopathic & Osteopathic Physicians

General Practice

HC42140 (CA)
3208G00000XAllopathic & Osteopathic Physicians

Thoracic Surgery (Cardiothoracic Vascular Surgery)

HC42140 (CA)

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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 1548384746, we treat the final digit (6) 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 84. The final step is to find the difference between that total and the next multiple of ten (90 - 84 = 6).

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
5
Unchanged
Pos 3
4
Doubled → 8
Pos 4
8
Unchanged
Pos 5
3
Doubled → 6
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
4
Doubled → 8
Check
6
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 4 → 8 3 → 6 4 → 8 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 8 + 8 + 6 + 8 + 8 + 7 + 8 + 24 = 84

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

The next multiple of ten after 84 is 90. The difference is the calculated check digit.

90 - 84 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1548384746.

Other Providers at the Same Location


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

Pediatrics
1818 N ORANGE GROVE AVE, #200
POMONA, CA 91767
Obstetrics & Gynecology
1818 N ORANGE GROVE AVE, #302
POMONA, CA 91767
Internal Medicine
1818 N ORANGE GROVE AVE, STE 204
POMONA, CA 91767
Internal Medicine (Pulmonary Disease)
1818 N ORANGE GROVE AVE, #202
POMONA, CA 91767
Psychiatry & Neurology (Psychiatry)
1818 N ORANGE GROVE AVE, STE 202
POMONA, CA 91767
Specialist
1818 N ORANGE GROVE AVE, SUITE 303
POMONA, CA 91767
Pediatrics
1818 N ORANGE GROVE AVE, #200
POMONA, CA 91767
Pediatrics
1818 N ORANGE GROVE AVE, 200
POMONA, CA 91767
Family Medicine
1818 N ORANGE GROVE AVE, STE 305
POMONA, CA 91767
Internal Medicine (Nephrology)
1818 N ORANGE GROVE AVE, STE 205
POMONA, CA 91767
Internal Medicine (Cardiovascular Disease)
1818 N ORANGE GROVE AVE, SUITE 206
POMONA, CA 91767
Surgery (Vascular Surgery)
1818 N ORANGE GROVE AVE, SUITE 100
POMONA, CA 91767
Specialist
1818 N ORANGE GROVE AVE, SUITE 300
POMONA, CA 91767
Internal Medicine
1818 N ORANGE GROVE AVE, SUITE 102
POMONA, CA 91767
Ophthalmology
1818 N ORANGE GROVE AVE, SUITE 302
POMONA, CA 91767
Physician Assistant
1818 N ORANGE GROVE AVE, 204
POMONA, CA 91767
Clinic/Center (Primary Care)
1818 N ORANGE GROVE AVE, 205
POMONA, CA 91767
Family Medicine
1818 N ORANGE GROVE AVE, 103
POMONA, CA 91767
Internal Medicine
1818 N ORANGE GROVE AVE, SUITE 204
POMONA, CA 91767
Hospitalist
1818 N ORANGE GROVE AVE, SUITE 204
POMONA, CA 91767

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1548384746, enumerated as an "individual" on March 16, 2007.

The provider is located at 1818 N ORANGE GROVE AVE SUITE 202 POMONA, CA 91767 and the phone number is (909) 865-3000.

Surgery with taxonomy code 208600000X.