DR. JI HOON HWANG DDS, MD
NPI 1912500943
Dentist - Oral and Maxillofacial Surgery in Tigard, OR

NPI Status: Active since November 20, 2020

Contact Information

14300 SW PACIFIC HWY
TIGARD, OR
ZIP 97224
Phone: (503) 639-4330

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  • Individual
  • Male
  • Dentist
  • Oral and Maxillofacial Surgery
  • Accepts Insurance

About JI HOON HWANG

This page provides the complete NPI Profile along with additional information for Ji Hoon Hwang, a provider established in Tigard, Oregon with a medical specialization in Dentist, focusing in oral and maxillofacial surgery . The healthcare provider is registered in the NPI registry with number 1912500943 assigned on November 2020. The practitioner's primary taxonomy code is 1223S0112X with license number D11374 (OR). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1912500943
Provider Name
DR. JI HOON HWANG DDS, MD
Other Name
DR. MARCUS HWANG MARCUS HWANG
Other Name Type
Other Name (5)
Gender
Male
Entity Type
Individual
Location Address
14300 SW PACIFIC HWY TIGARD, OR 97224
Location Phone
(503) 639-4330
Mailing Address
17910 SW MONASHEE LN BEAVERTON, OR 97007
Is Sole Proprietor?
Yes
Enumeration Date
11-20-2020
Last Update Date
05-01-2026
Code Navigator

A dentist like Ji Hoon Hwang is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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

Dentist Oral and Maxillofacial Surgery

Taxonomy Code
1223S0112X
Type
Dental Providers
License No.
D11374
License State
OR
Taxonomy Description
An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • BlueCare Dental 4 Kids? 1A - PPO
  • BlueCare Dental 4 Kids? 1B - PPO
  • BlueCare Dental? 1A - PPO
  • BlueCare Dental? 1B - PPO
  • BlueCare Dental? 1C - PPO
  • BlueCare Dental? 1D - PPO
  • BlueCare Dental 4 Kids? 1A - PPO
  • BlueCare Dental 4 Kids? 1B - PPO
  • BlueCare Dental? 1A - PPO
  • BlueCare Dental? 1B - PPO
  • BlueCare Dental? 1C - PPO
  • BlueCare Dental? 1D - PPO
  • BlueCare Dental 1D - PPO
  • BlueCare Dental 4 Kids? 1A - PPO
  • BlueCare Dental 4 Kids? 1B - PPO
  • BlueCare Dental? 1A - PPO
  • BlueCare Dental? 1B - PPO
  • BlueCare Dental? 1C - PPO
  • Humana Dental Smart Choice - PPO
  • Humana Dental Smart Choice - Basic - PPO
  • Humana Dental Smart Choice - High - PPO
  • Humana Dental Smart Choice - Lite - PPO
  • Humana Dental Smart Choice - Low - PPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Reviews for DR. JI HOON HWANG DDS, MD

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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 1912500943, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 2 + 2 + 1 + 0 + 0 + 0 + 9 + 8 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1912500943.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Dentist (General Practice)
14300 SW PACIFIC HWY
TIGARD, OR 97224
Dentist (General Practice)
14300 SW PACIFIC HWY
TIGARD, OR 97224
Dentist (General Practice)
14300 SW PACIFIC HWY
TIGARD, OR 97224
Clinic/Center (Dental)
14300 SW PACIFIC HWY
TIGARD, OR 97224
Oral & Maxillofacial Surgery
14300 SW PACIFIC HWY
TIGARD, OR 97224

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912500943, enumerated as an "individual" on November 20, 2020.

The provider is located at 14300 SW PACIFIC HWY TIGARD, OR 97224 and the phone number is (503) 639-4330.

Dentist with taxonomy code 1223S0112X and a focus in Oral and Maxillofacial Surgery.

The provider might be accepting Accepts: Blue Cross and Blue Shield of Montana, Blue Cross. Please consult your insurance carrier or call the provider to verify.