PNW ARTHRITIS AND RHEUMATOLOGY PLLC
NPI 1861285074
Internal Medicine - Rheumatology in Richland, WA

NPI Status: Active since May 28, 2025

Contact Information

1305 FOWLER ST STE 1D
RICHLAND, WA
ZIP 99352
Phone: (509) 528-1866

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  • Organization
  • Internal Medicine
  • Rheumatology
  • Accepts Insurance

About PNW ARTHRITIS AND RHEUMATOLOGY PLLC

This page provides the complete NPI Profile along with additional information for Pnw Arthritis And Rheumatology Pllc, an internist established in Richland, Washington operating as a Internal Medicine, focusing in rheumatology . The healthcare provider is registered in the NPI registry with number 1861285074 assigned on May 2025. The practitioner's primary taxonomy code is 207RR0500X. The provider is registered as an organization and their NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Derek Peacock Md (Co Owner)

NPI
1861285074
Provider Name
PNW ARTHRITIS AND RHEUMATOLOGY PLLC
Entity Type
Organization
Location Address
1305 FOWLER ST STE 1D RICHLAND, WA 99352
Location Phone
(509) 528-1866
Mailing Address
1305 FOWLER ST STE 1D RICHLAND, WA 99352
Mailing Phone
(509) 942-2284
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-28-2025
Last Update Date
09-18-2025
Code Navigator

An internist like Pnw Arthritis And Rheumatology Pllc is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

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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

Internal Medicine Rheumatology

Taxonomy Code
207RR0500X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Insurance Plans Accepted

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

  • Premera Blue Cross Alaska One Gold - PPO
  • Premera Blue Cross Preferred Bronze 5800 HSA - PPO
  • Premera Blue Cross Preferred Bronze 6350 - PPO
  • Premera Blue Cross Preferred Gold 1500 - PPO
  • Premera Blue Cross Preferred Silver 4500 - PPO
  • Premera Blue Cross Standard Bronze II - PPO
  • Premera Blue Cross Standard Gold - PPO
  • Premera Blue Cross Standard Silver - PPO
  • Premera Blue Cross Family Dental - PPO
  • Premera Blue Cross Pediatric Dental - PPO

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

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. DEREK PEACOCK MD

Authorized Official Title
CO OWNER
Authorized Official Phone
(509) 528-1866

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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 1861285074, 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
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
8
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
0
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 2 → 4 5 → 10 → 1 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 4 + 8 + 1 + 0 + 0 + 1 + 4 + 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 1861285074.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Physician Assistant
1305 FOWLER ST STE 1D
RICHLAND, WA 99352
Internal Medicine (Rheumatology)
1305 FOWLER ST STE 1D
RICHLAND, WA 99352

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861285074, enumerated as an "organization" on May 28, 2025.

The provider is located at 1305 FOWLER ST STE 1D RICHLAND, WA 99352 and the phone number is (509) 528-1866.

Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.

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