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WILLIAM S. WAITES PA-C
NPI 1992970297
Physician Assistant in Kennewick, WA

Active since April 28, 2008PECOS EnrolledAccepts Medicare Assignment
93.57/100
CMS Quality Rating
3730 PLAZA WAY STE C6100, KENNEWICK, WA 99338(509) 591-0070(509) 396-9661 Get Directions Write a Review

NPPES record last updated: January 9, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 9, 2025, Sep 17, 2019 (2 updates tracked since 2019).

About William S. Waites Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM S. WAITES PA-C (NPI 1992970297) is an individual physician assistant in Kennewick, Washington, licensed in Washington (PA10003522) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1992970297
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameWILLIAM S. WAITESCredential: PA-C
Location Address3730 PLAZA WAY STE C6100Kennewick, WA 99338-2718
Mailing Address8524 W Gage Blvd, Bldg A-1 Box 319Kennewick, WA 99336-8241 · (509) 591-0070 · Fax (509) 396-9661
Phone(509) 591-0070
Fax(509) 396-9661
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateApril 28, 2008
Last NPPES UpdateJanuary 9, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 9, 2025
✔ NPI 1992970297 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in WA · PA10003522
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
3730 PLAZA WAY STE C6100, Kennewick, WA 99338
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William S. Waites Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951474493
PECOS Enrollment IDI20080717000074
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
1,762 services259 patients
Testing for presence of drug, read by direct observation 80305
Testing for the presence of drugs involves collecting a sample, usually urine, which is then analyzed for specific substances. The process is monitored directly to ensure accuracy and integrity. This test helps to confirm if drugs are present in your system.
509 services174 patients
Testing for presence of drug, by chemistry analyzers 80307
Chemistry analyzers are used to detect the presence of drugs in your system. This test involves taking a small sample of your blood or urine. The sample is then analyzed for specific substances. The results help in understanding your health condition better.
193 services115 patients
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211
This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.
63 services56 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
55 services42 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
46 services42 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 99338 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.57/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.33
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PINNICALE PAIN CENTER
Physician Assistant (Medical)
3730 PLAZA WAY STE C6100
KENNEWICK, WA 99338
Benton County (509) 591-0070
HEATHER BOYLE PA-C
Physician Assistant
3730 PLAZA WAY STE C6100
KENNEWICK, WA 99338
Benton County (509) 591-0070

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Waites's NPI number?

The NPI number for William Waites is 1992970297. It was assigned to this individual provider in the NPPES registry on April 28, 2008.

Where is William Waites located?

William Waites practices at 3730 Plaza Way Ste C6100, Kennewick, WA 99338. The listed phone number is (509) 591-0070.

What is William Waites's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is William Waites enrolled in Medicare?

Yes. William Waites is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Waites accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list William Waites as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Waites was last updated on January 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.