WILLIAM NATHANIEL LEWIS PA-C
NPI 1003584640
Physician Assistant in West Des Moines, IA

Q: What is William Lewis's NPI number?

The NPI number for William Lewis is 1003584640. It was assigned to this individual provider in the NPPES registry on August 30, 2021.

Q: What is William Lewis's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for William Lewis was last updated on April 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since August 30, 2021PECOS EnrolledAccepts Medicare Assignment

1701 48TH ST STE 110, WEST DES MOINES, IA 50266(515) 514-1186(833) 428-6868 Get Directions Write a Review

NPPES record last updated: April 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 6, 2026, Jan 24, 2023 (2 updates tracked since 2023).

On this page

About William Nathaniel Lewis Pa-c NPPES

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

WILLIAM NATHANIEL LEWIS PA-C (NPI 1003584640) is an individual physician assistant in West Des Moines, Iowa, licensed in Iowa (117882) and active in the NPI registry since August 2021. He is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (2022).

NPPES Registry Identity

NPI1003584640

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NameWILLIAM NATHANIEL LEWISCredential: PA-C

Location Address1701 48TH ST STE 110West Des Moines, IA 50266-6723

Mailing Address1701 48th St Ste 110West Des Moines, IA 50266-6723 · (515) 514-1186 · Fax (833) 428-6868

Phone(515) 514-1186

Fax(833) 428-6868

Sole ProprietorNo

Medical School CMSUniversity Of Washington School Of MedicineGraduated 2022

Enumeration DateAugust 30, 2021

Last NPPES UpdateApril 6, 20262 updates tracked since enumeration

NPPES CertifiedApril 6, 2026

✔ NPI 1003584640 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in IA · 117882

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1701 48TH ST STE 110, West Des Moines, IA 50266

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and more.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 Nathaniel Lewis 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 ID7416300470

PECOS Enrollment IDI20240126000818

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 3

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 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.

126 services85 patients

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.

79 services65 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.

15 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50266 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

$81.84 typical visit price

range $52.96 – $161.40

Typical copayment $20.46 (range $13.24 – $40.35)

Most-billed visit code 99203

Established Patient

$66.36 typical visit price

range $16.91 – $131.98

Typical copayment $16.59 (range $4.22 – $32.99)

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.

Other Providers at the Same Location NPPES 5

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

PRECISION PSYCHIATRY LLC

Psychiatry & Neurology (Psychiatry)