Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RYAN S MAZIARZ
NPI 1861133837
Family Medicine in Marysville, WA

Active since April 05, 2022PECOS EnrolledAccepts Medicare Assignment
11603 STATE AVE STE G, MARYSVILLE, WA 98271(360) 658-6800 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 23, 2026, Jun 2, 2026, Dec 5, 2022 and 1 more (4 updates tracked since 2022).

About Ryan S Maziarz NPPES

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

RYAN S MAZIARZ (NPI 1861133837) is an individual family medicine provider in Marysville, Washington, licensed in Washington (MD70036443) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Providence Regional Medical Center Everett, and maintains a secondary practice location in Grand Rapids.

NPPES Registry Identity

NPI1861133837
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameRYAN S MAZIARZ
Location Address11603 STATE AVE STE GMarysville, WA 98271-8465
Mailing AddressPo Box 31001 4114Pasadena, CA 91110-4114 · (360) 658-6800 · Fax (360) 658-6819
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 5, 2022
Last NPPES UpdateSeptember 23, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2026
✔ NPI 1861133837 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in WA · MD70036443✔ Licensed in MI · 4351049249
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
11603 STATE AVE STE G, Marysville, WA 98271

Secondary Practice Location 1

Location 1300 Lafayette Ave SE Ste 4000Grand Rapids, MI 49503-4692 · Phone (616) 685-6922

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ryan S Maziarz 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 ID9032598495
PECOS Enrollment IDI20260616004609
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.

Medicare Billing Reassignment

Medicare enrollment records show Ryan Maziarz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
11603 STATE AVE, SUITE G
Marysville, WA 98271
  • Reassigned Medicare billing, Washington enrollment
  • 705 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Providence Regional Medical Center Everett

Acute Care Hospitals · Everett, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500014
Location1321 Colby AvenueEverett, WA 98201 · Snohomish County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98271 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
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
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 4

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

Social Worker (Clinical)
11603 STATE AVE STE G
MARYSVILLE, WA 98271
Internal Medicine
11603 STATE AVE STE G
MARYSVILLE, WA 98271
Pediatrics
11603 STATE AVE STE G, PROVIDENCE MEDICAL GROUP MARYSVILLE CLINIC
MARYSVILLE, WA 98271
Family Medicine
11603 STATE AVE STE G
MARYSVILLE, WA 98271

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 Ryan Maziarz's NPI number?

The NPI number for Ryan Maziarz is 1861133837. It was assigned to this individual provider in the NPPES registry on April 5, 2022.

Where is Ryan Maziarz located?

Ryan Maziarz practices at 11603 State Ave Ste G, Marysville, WA 98271. The listed phone number is (360) 658-6800.

What is Ryan Maziarz's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Ryan Maziarz enrolled in Medicare?

Yes. Ryan Maziarz 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.

Which organization bills Medicare for Ryan Maziarz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Maziarz reassigns Medicare benefits to Providence Health & Services - Washington (Marysville, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ryan Maziarz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ryan Maziarz accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Ryan Maziarz 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.

Is Ryan Maziarz affiliated with any hospitals?

According to CMS data, Ryan Maziarz is affiliated with Providence Regional Medical Center Everett.

When was this NPI record last updated?

The NPPES record for Ryan Maziarz was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 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.