DR. JONATHAN P HARMON D.D.S.
NPI 1831475854
Dentist - Orthodontics and Dentofacial Orthopedics in Eugene, OR
NPI Status: Active since October 24, 2011
Contact Information
1814 COBURG RD
EUGENE, OR
ZIP 97401
Phone: (801) 602-2000
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Dentist
- Orthodontics and Dentofacial Orthopedics
- Accepts Insurance
About JONATHAN HARMON
This page provides the complete NPI Profile along with additional information for Jonathan Harmon, a provider established in Eugene, Oregon with a medical specialization in Dentist, focusing in orthodontics and dentofacial orthopedics . The healthcare provider is registered in the NPI registry with number 1831475854 assigned on October 2011. The practitioner's primary taxonomy code is 1223X0400X with license number D9679 (OR). The provider is registered as an individual and his NPI record was last updated May 2026.
- NPI
- 1831475854
- Provider Name
- DR. JONATHAN P HARMON D.D.S.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1814 COBURG RD EUGENE, OR 97401
- Location Phone
- (801) 602-2000
- Mailing Address
- 1814 COBURG RD EUGENE, OR 97401
- Mailing Phone
- (801) 602-2000
- Is Sole Proprietor?
- No
- Enumeration Date
- 10-24-2011
- Last Update Date
- 05-22-2026
- Code Navigator
A dentist like Jonathan Harmon 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 Orthodontics and Dentofacial Orthopedics
- Taxonomy Code
- 1223X0400X
- Type
- Dental Providers
- License No.
- D9679
- License State
- OR
- Taxonomy Description
- That area of dentistry concerned with the supervision, guidance and correction of the growing or mature dentofacial structures, including those conditions that require movement of teeth or correction of malrelationships and malformations of their related structures and the adjustment of relationships between and among teeth and facial bones by the application of forces and/or the stimulation and redirection of functional forces within the craniofacial complex. Major responsibilities of orthodontic practice include the diagnosis, prevention, interception and treatment of all forms of malocclusion of the teeth and associated alterations in their surrounding structures; the design, application and control of functional and corrective appliances; and the guidance of the dentition and its supporting structures to attain and maintain optimum occlusal relations in physiologic and esthetic harmony among facial and cranial structures.
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) |
|---|---|---|---|---|
| 1 | 122300000X | Dental Providers | Dentist | D9679 (OR) |
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- BridgeSpan Standard Bronze Plan - EPO
- BridgeSpan Standard Gold Plan - EPO
- BridgeSpan Standard Silver Plan - EPO
- Delta Dental EPO - EPO
- Delta Dental PPO - PPO
- Delta Dental PPO MAC - PPO
- Bronze 8000 Individual Connect - EPO
- Bronze Essential 9000 With 4 Copay No Deductible Office Visits Individual Connect - EPO
- Bronze Essential 9000 With 4 Copay No Deductible Office Visits Legacy - EPO
- Bronze HSA 7000 Individual Connect - EPO
- Gold 2300 Individual Connect - EPO
- Gold 2300 Legacy - EPO
- Regence Standard Bronze Plan Individual Connect - EPO
- Regence Standard Bronze Plan Legacy - EPO
- Regence Standard Gold Plan Individual Connect - EPO
- Regence Standard Gold Plan Legacy - EPO
- Regence Standard Silver Plan Individual Connect - EPO
- Regence Standard Silver Plan Legacy - EPO
- Silver 6500 Individual Connect - EPO
- Silver 6500 Legacy - EPO
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
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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 1831475854, 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
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.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1831475854, enumerated as an "individual" on October 24, 2011.
The provider is located at 1814 COBURG RD EUGENE, OR 97401 and the phone number is (801) 602-2000.
Dentist with taxonomy code 1223X0400X and a focus in Orthodontics and Dentofacial Orthopedics.
The provider might be accepting Accepts: BridgeSpan Health Company, Delta Dental Plan of. Please consult your insurance carrier or call the provider to verify.
