JAMES WILLIAM HARTLEY ARNP
NPI 1972508836
Nurse Practitioner - Family in Mount Vernon, WA

Q: What is James Hartley's NPI number?

The NPI number for James Hartley is 1972508836. It was assigned to this individual provider in the NPPES registry on June 16, 2005. The provider is also known as J. William Hartley Fnp.

Q: What is James Hartley's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for James Hartley was last updated on July 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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 June 16, 2005PECOS EnrolledAccepts Medicare Assignment

1400 E KINCAID ST, MOUNT VERNON, WA 98274(360) 428-6434(360) 848-4233 Get Directions Write a Review

NPPES record last updated: July 21, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About James William Hartley Arnp NPPES

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

JAMES WILLIAM HARTLEY ARNP (NPI 1972508836) is an individual family provider in Mount Vernon, Washington, licensed in Washington (AP30006842) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with St Joseph Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1972508836

Entity TypeIndividualMale

Primary Taxonomy363LF0000X

Provider Legal NameJAMES WILLIAM HARTLEYCredential: ARNP

Location Address1400 E KINCAID STMount Vernon, WA 98274-4127

Mailing Address240 Thompson RdSedro Woolley, WA 98284-9515 · (360) 303-8797

Phone(360) 428-6434

Fax(360) 848-4233

Sole ProprietorNo

Medical School CMSOtherGraduated 1977

Enumeration DateJune 16, 2005

Last NPPES UpdateJuly 21, 2023

NPPES CertifiedJuly 21, 2023

✔ NPI 1972508836 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

Licenses✔ Licensed in WA · AP30006842✔ Licensed in AK · 0528

1400 E KINCAID ST, Mount Vernon, WA 98274

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Other Names 1

Professional Name (2)J. William Hartley Fnp

Secondary Practice Locations 3

Location 13015 Squalicum Pkwy Ste 200Bellingham, WA 98225-1906 · Phone (360) 733-2092 · Fax (360) 788-6042

Location 22000 Hospital DrSedro Woolley, WA 98284-4327 · Phone (360) 856-7581 · Fax (360) 856-7252

Location 31117 Spring StFriday Harbor, WA 98250-9782 · Phone (360) 378-1738 · Fax (360) 378-1784

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.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

James William Hartley 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 ID4880689330

PECOS Enrollment IDI20050127000108

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 Reassignments

Medicare enrollment records show James Hartley reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Public Hospital Dist No 1 Skagit

Same address

General Practice

1400 E KINCAID ST
Mount Vernon, WA 98274

Reassigned Medicare billing, Washington enrollment
463 clinicians in this Medicare group

NPI 1023332749 (360) 428-2500

Peacehealth

5.9 mi

Critical Access

2000 HOSPITAL DR
Sedro Woolley, WA 98284

Reassigned Medicare billing, Washington enrollment
Also billed through NPI 1548698806 (Washington)
76 clinicians in this Medicare group

NPI 1144664954 (360) 788-7768

Peacehealth Medical Group - Sedro Woolley

5.9 mi

Family Medicine

1990 HOSPITAL DR
Sedro Woolley, WA 98284

Reassigned Medicare billing, Washington enrollment
106 clinicians in this Medicare group

NPI 1407283179 (360) 856-8810

Peacehealth

26 mi

Internal Medicine

2901 SQUALICUM PKWY
Bellingham, WA 98225

Reassigned Medicare billing, Washington enrollment
390 clinicians in this Medicare group

NPI 1356309553 (360) 734-5400

Peacehealth

33 mi

Emergency Medicine

1117 SPRING ST.
Friday Harbor, WA 98250

Reassigned Medicare billing, Washington enrollment
Also billed through NPI 1487917233 (Washington)
92 clinicians in this Medicare group

NPI 1508129842 (360) 378-2141

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

Areas of Expertise CMS Part B claims 8

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 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.

94 services66 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

81 services57 patients

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.

62 services26 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

57 services30 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

42 services42 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

38 services31 patients

Hospital Affiliations CMS Care Compare 3

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

St Joseph Hospital

Acute Care Hospitals · Bellingham, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number500030

Location2901 Squalicum ParkwayBellingham, WA 98225 · Whatcom County

Emergency services Birthing friendly

Peacehealth United General Medical Center

Critical Access Hospitals · Sedro Woolley, WA

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number501329

Location2000 Hospital DriveSedro Woolley, WA 98284 · Skagit County

Emergency services

Peacehealth Peace Island Medical Center

Critical Access Hospitals · Friday Harbor, WA

OwnershipVoluntary non-profit - Private

CMS Certification Number501340

Location1117 Spring StreetFriday Harbor, WA 98250 · San Juan County

Emergency services

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.

GREGORY WILLIAM MALLEK M.D.

Obstetrics & Gynecology