THOMAS S. MARING MD, DMD, PS
NPI 1437007168
Dentist - Oral and Maxillofacial Pathology in Seattle, WA

NPI Status: Active since March 18, 2026

Contact Information

509 OLIVE WAY STE 750
SEATTLE, WA
ZIP 98101
Phone: (206) 343-7500
Fax: (206) 343-7600

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  • Organization
  • Dentist
  • Oral and Maxillofacial Pathology

About THOMAS S. MARING MD, DMD, PS

This page provides the complete NPI Profile along with additional information for Thomas S. Maring Md, Dmd, Ps, a provider established in Seattle, Washington operating as a Dentist, focusing in oral and maxillofacial pathology . The healthcare provider is registered in the NPI registry with number 1437007168 assigned on March 2026. The practitioner's primary taxonomy code is 1223P0106X. The provider is registered as an organization and their NPI record was last updated March 2026. Thomas S. Maring Md, Dmd, Ps operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Thomas S. Maring Md, Dmd, Ps (Owner)

NPI
1437007168
Provider Name
THOMAS S. MARING MD, DMD, PS
Entity Type
Organization
Location Address
509 OLIVE WAY STE 750 SEATTLE, WA 98101
Location Phone
(206) 343-7500
Location Fax
(206) 343-7600
Mailing Address
509 OLIVE WAY STE 750 SEATTLE, WA 98101
Mailing Phone
(206) 343-7500
Mailing Fax
(206) 343-7600
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-18-2026
Last Update Date
03-18-2026
Code Navigator

A dentist like Thomas S. Maring Md, Dmd, Ps 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 Pathology

Taxonomy Code
1223P0106X
Type
Dental Providers
Taxonomy Description
The specialty of dentistry and discipline of pathology that deals with the nature, identification, and management of diseases affecting the oral and maxillofacial regions. It is a science that investigates the causes, processes, and effects of these diseases. The practice of oral and maxillofacial pathology includes research and diagnosis of diseases using clinical, radiographic, microscopic, biochemical, or other examinations.

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)
11223P0300XDental Providers

Dentist
Periodontics

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

DR. THOMAS S. MARING MD, DMD, PS

Authorized Official Title
OWNER
Authorized Official Phone
(206) 343-7500

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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 1437007168, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
4
Unchanged
Pos 3
3
Doubled → 6
Pos 4
7
Unchanged
Pos 5
0
Doubled → 0
Pos 6
0
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
8
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 3 → 6 0 → 0 7 → 14 → 5 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 6 + 7 + 0 + 0 + 1 + 4 + 1 + 1 + 2 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1437007168.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Dentist (Oral and Maxillofacial Surgery)
509 OLIVE WAY STE 750
SEATTLE, WA 98101

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1437007168, enumerated as an "organization" on March 18, 2026.

The provider is located at 509 OLIVE WAY STE 750 SEATTLE, WA 98101 and the phone number is (206) 343-7500.

Dentist with taxonomy code 1223P0106X and a focus in Oral and Maxillofacial Pathology.