DR SPENCER GREER DDS PLLC
NPI 1962376004
Clinic/Center - Dental in Kennewick, WA

NPI Status: Active since October 01, 2025

Contact Information

2620 S WILLIAMS PL STE 120
KENNEWICK, WA
ZIP 99338
Phone: (509) 591-0551

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  • Organization
  • Clinic/Center
  • Dental

About DR SPENCER GREER DDS PLLC

This page provides the complete NPI Profile along with additional information for Dr Spencer Greer Dds Pllc, a provider established in Kennewick, Washington operating as a Clinic/center, focusing in dental . The healthcare provider is registered in the NPI registry with number 1962376004 assigned on October 2025. The practitioner's primary taxonomy code is 261QD0000X. The provider is registered as an organization and their NPI record was last updated April 2026. The authorized official of this NPI record is Spencer Greer (Dds)

NPI
1962376004
Provider Name
DR SPENCER GREER DDS PLLC
Entity Type
Organization
Location Address
2620 S WILLIAMS PL STE 120 KENNEWICK, WA 99338
Location Phone
(509) 591-0551
Mailing Address
2620 S WILLIAMS PL STE 120 KENNEWICK, WA 99338
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-01-2025
Last Update Date
04-13-2026
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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

Clinic/Center Dental

Taxonomy Code
261QD0000X
Type
Ambulatory Health Care Facilities

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

SPENCER GREER

Authorized Official Title
DDS
Authorized Official Phone
(509) 591-0551

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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 1962376004, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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
9
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
2
Unchanged
Pos 5
3
Doubled → 6
Pos 6
7
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
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 6 → 12 → 3 3 → 6 6 → 12 → 3 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 2 + 2 + 6 + 7 + 1 + 2 + 0 + 0 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1962376004.

Other Providers at the Same Location


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

Dentist
2620 S WILLIAMS PL STE 120
KENNEWICK, WA 99338

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1962376004, enumerated as an "organization" on October 01, 2025.

The provider is located at 2620 S WILLIAMS PL STE 120 KENNEWICK, WA 99338 and the phone number is (509) 591-0551.

Clinic/Center with taxonomy code 261QD0000X and a focus in Dental.