Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. RONALD ORIN MAXFIELD DDS
NPI 1801839329
Dentist - General Practice in West Richland, WA

Active since June 13, 2006Opted out of Medicare · through Mar 10, 2027
4476 W VAN GIESEN ST, WEST RICHLAND, WA 99353(509) 967-3421(509) 967-2186 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ronald Orin Maxfield Dds NPPES

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

DR. RONALD ORIN MAXFIELD DDS (NPI 1801839329) is an individual general practice provider in West Richland, Washington, licensed in Washington (6057) and active in the NPI registry since June 2006. He has opted out of Medicare through March 10, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1801839329
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. RONALD ORIN MAXFIELDCredential: DDS
Location Address4476 W VAN GIESEN STWest Richland, WA 99353-5411
Mailing Address4476 W Van Giesen StWest Richland, WA 99353-5411 · (509) 967-3421 · Fax (509) 967-2186
Fax(509) 967-2186
Sole ProprietorNo
Enumeration DateJune 13, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1801839329 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License Licensed in WA · 6057
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
4476 W VAN GIESEN ST, West Richland, WA 99353

Other Identifiers 1

Medicaid5040845WA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Dr. Ronald Orin Maxfield Dds has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from March 10, 2015 through March 10, 2027.

Opt-Out Effective DateMarch 10, 2015
Opt-Out In Effect ThroughMarch 10, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 99353 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.

Other Providers at the Same Location NPPES 11

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

Dentist (General Practice)
4476 W VAN GIESEN ST
WEST RICHLAND, WA 99353
Optometrist
4476 W VAN GIESEN ST, SUITE NUMBER B
WEST RICHLAND, WA 99353
Dentist
4476 W VAN GIESEN ST
WEST RICHLAND, WA 99353
Dentist (General Practice)
4476 W VAN GIESEN ST
WEST RICHLAND, WA 99353
Student in an Organized Health Care Education/Training Program
4476 W VAN GIESEN ST
RICHLAND, WA 99353
Dentist (General Practice)
4476 W VAN GIESEN ST
WEST RICHLAND, WA 99353
Dentist (General Practice)
4476 W VAN GIESEN ST
WEST RICHLAND, WA 99353
Dentist
4476 W VAN GIESEN ST
WEST RICHLAND, WA 99353

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 Ronald Maxfield's NPI number?

The NPI number for Ronald Maxfield is 1801839329. It was assigned to this individual provider in the NPPES registry on June 13, 2006.

Where is Ronald Maxfield located?

Ronald Maxfield practices at 4476 W Van Giesen St, West Richland, WA 99353. The listed phone number is (509) 967-3421.

What is Ronald Maxfield's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Ronald Maxfield enrolled in Medicare?

No. Ronald Maxfield has opted out of Medicare through March 10, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Ronald Maxfield accept?

Health plans from HRI Dental & Vision and Paramount list Ronald Maxfield 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 Ronald Maxfield was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.