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

MARIA CRISTINE MELVIN ARNP
NPI 1679171367
Nurse Practitioner - Primary Care in Port Angeles, WA

Active since October 14, 2020PECOS Enrolled
240 W FRONT ST STE A, PORT ANGELES, WA 98362(360) 452-7891(360) 452-8087 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 14, 2026, Feb 16, 2023, May 26, 2021 and 2 more (5 updates tracked since 2020).

About Maria Cristine Melvin Arnp NPPES

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

MARIA CRISTINE MELVIN ARNP (NPI 1679171367) is an individual primary care provider in Port Angeles, Washington, licensed in Washington (AP61099325) and active in the NPI registry since October 2020. She is enrolled in Medicare PECOS, is affiliated with Olympic Medical Center, and maintains a secondary practice location in Port Angeles.

NPPES Registry Identity

NPI1679171367
Entity TypeIndividualFemale
Primary Taxonomy363LP2300X
Provider Legal NameMARIA CRISTINE MELVINCredential: ARNP
Location Address240 W FRONT ST STE APort Angeles, WA 98362-2609
Mailing Address240 W Front St Ste APort Angeles, WA 98362-2609 · (360) 452-7891 · Fax (360) 452-8087
Fax(360) 452-8087
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateOctober 14, 2020
Last NPPES UpdateJuly 14, 20265 updates tracked since enumeration
NPPES CertifiedJuly 14, 2026
NPI 1679171367 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
License Licensed in WA · AP61099325
240 W FRONT ST STE A, Port Angeles, WA 98362

Other Names 1

Former Name (1)Maria Christine Thacker

Secondary Practice Location 1

Location 1933 E 1st StPort Angeles, WA 98362-4012 · Phone (360) 452-7891 · Fax (360) 452-8087

Other Identifiers 1

Medicaid2167808WA

Accepted 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

Maria Cristine Melvin Arnp 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 ID1951712561
PECOS Enrollment IDI20201202001692
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

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.

Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
37 services28 patients

Hospital Affiliations CMS Care Compare

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

Olympic Medical Center

Acute Care Hospitals · Port Angeles, WA
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number500072
Location939 Caroline StPort Angeles, WA 98362 · Clallam County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98362 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.

Nurse Practitioner (Family)
240 W FRONT ST STE A
PORT ANGELES, WA 98362
Family Medicine
240 W FRONT ST STE A
PORT ANGELES, WA 98362
Family Medicine
240 W FRONT ST STE A
PORT ANGELES, WA 98362
Optometrist
240 W FRONT ST STE A
PORT ANGELES, WA 98362
Family Medicine
240 W FRONT ST STE A
PORT ANGELES, WA 98362
Family Medicine
240 W FRONT ST STE A
PORT ANGELES, WA 98362
Family Medicine
240 W FRONT ST STE A
PORT ANGELES, WA 98362
Family Medicine
240 W FRONT ST STE A
PORT ANGELES, WA 98362

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 Maria Melvin's NPI number?

The NPI number for Maria Melvin is 1679171367. It was assigned to this individual provider in the NPPES registry on October 14, 2020. The provider is also known as Maria Christine Thacker.

Where is Maria Melvin located?

Maria Melvin practices at 240 W Front St Ste A, Port Angeles, WA 98362. The listed phone number is (360) 452-7891.

What is Maria Melvin's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

Is Maria Melvin enrolled in Medicare?

Yes. Maria Melvin 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 Maria Melvin accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Maria Melvin 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 Maria Melvin affiliated with any hospitals?

According to CMS data, Maria Melvin is affiliated with Olympic Medical Center.

When was this NPI record last updated?

The NPPES record for Maria Melvin was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.