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

MR. MAX EDWARD WARREN ARNP
NPI 1548957632
Nurse Practitioner - Family in Mount Vernon, WA

Active since April 19, 2023PECOS Enrolled
1400 E KINCAID ST, MOUNT VERNON, WA 98274(360) 428-2550 Get Directions Write a Review

NPPES record last updated: August 21, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Mr. Max Edward Warren Arnp NPPES

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

MR. MAX EDWARD WARREN ARNP (NPI 1548957632) is an individual family provider in Mount Vernon, Washington, licensed in Washington (AP61331489) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1548957632
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameMR. MAX EDWARD WARRENCredential: ARNP
Location Address1400 E KINCAID STMount Vernon, WA 98274-4127
Mailing Address1400 E Kincaid StMount Vernon, WA 98274-4127
Sole ProprietorNo
Enumeration DateApril 19, 2023
Last NPPES UpdateAugust 21, 2026
NPPES CertifiedAugust 21, 2026
NPI 1548957632 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in WA · AP61331489
1400 E KINCAID ST, Mount Vernon, WA 98274

Other Identifiers 1

Medicaid2296866WA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mr. Max Edward Warren Arnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98274 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 20

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

Obstetrics & Gynecology
1400 E KINCAID ST
MOUNT VERNON, WA 98274
General Practice
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Durable Medical Equipment & Medical Supplies
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Pediatrics
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Obstetrics & Gynecology
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Nurse Practitioner
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Surgery
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Podiatrist (Foot & Ankle Surgery)
1400 E KINCAID ST
MOUNT VERNON, WA 98274

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 Max Warren's NPI number?

The NPI number for Max Warren is 1548957632. It was assigned to this individual provider in the NPPES registry on April 19, 2023.

Where is Max Warren located?

Max Warren practices at 1400 E Kincaid St, Mount Vernon, WA 98274. The listed phone number is (360) 428-2550.

What is Max Warren's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Max Warren enrolled in Medicare?

Yes. Max Warren is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Max Warren was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.