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

CARMEN DOROTHY DEVRIES TERPSTRA ARNP
NPI 1275365306
Nurse Practitioner - Family in Mount Vernon, WA

Active since August 16, 2024PECOS Enrolled
2116 E SECTION ST, MOUNT VERNON, WA 98274(360) 428-1700(360) 848-4350 Get Directions Write a Review

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

Record update history: Jul 13, 2026, Dec 11, 2024, Aug 16, 2024 (3 updates tracked since 2024).

About Carmen Dorothy Devries Terpstra Arnp NPPES

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

CARMEN DOROTHY DEVRIES TERPSTRA ARNP (NPI 1275365306) is an individual family provider in Mount Vernon, Washington, licensed in Washington (AP61507506) and active in the NPI registry since August 2024. She is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1275365306
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCARMEN DOROTHY DEVRIES TERPSTRACredential: ARNP
Location Address2116 E SECTION STMount Vernon, WA 98274-9124
Mailing Address3610 Meridian StBellingham, WA 98225-1732 · (360) 318-8800
Phone(360) 428-1700
Fax(360) 848-4350
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateAugust 16, 2024
Last NPPES UpdateJuly 13, 20263 updates tracked since enumeration
NPPES CertifiedJuly 13, 2026
✔ NPI 1275365306 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 · AP61507506
2116 E SECTION ST, Mount Vernon, WA 98274
Open in Google Maps ↗

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Carmen Dorothy Devries Terpstra 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 ID5496289290
PECOS Enrollment IDI20241115003383
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.

Hospital Affiliations CMS Care Compare

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

Skagit Valley Hospital

Acute Care Hospitals · Mount Vernon, WA
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500003
Location1415 E Kincaid StreetMount Vernon, WA 98274 · Skagit County
Emergency services Birthing friendly

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.

ROGER PAUL ESTEP M.D.
Family Medicine
2116 E SECTION ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-1700
HALE LOOFBOURROW MD
Family Medicine
2116 E SECTION ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-1700
JONATHAN KAISER PLOUDRE M.D.
Family Medicine
2116 E SECTION ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-1700
SUSAN CARROLL HILL ARNP
Nurse Practitioner (Family)
2116 E SECTION ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-1700
CARRIE ANN DOWNING-LARICK DO, MPH
Family Medicine
2116 E SECTION ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-1700
AMANDA LORENE DUPERRON ARNP
Nurse Practitioner (Family)
2116 E SECTION ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-1700
CHRISTINA MARIE JEPPERSON ARNP
Nurse Practitioner (Family)
2116 E SECTION ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-1700
LABORATORY CORPORATION OF AMERICA
Clinical Medical Laboratory
2116 E SECTION ST
MOUNT VERNON, WA 98274
Skagit County (360) 424-3952

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 Carmen Terpstra's NPI number?

The NPI number for Carmen Terpstra is 1275365306. It was assigned to this individual provider in the NPPES registry on August 16, 2024.

Where is Carmen Terpstra located?

Carmen Terpstra practices at 2116 E Section St, Mount Vernon, WA 98274. The listed phone number is (360) 428-1700.

What is Carmen Terpstra's specialty?

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

Is Carmen Terpstra enrolled in Medicare?

Yes. Carmen Terpstra 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 Carmen Terpstra accept?

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

According to CMS data, Carmen Terpstra is affiliated with Skagit Valley Hospital.

When was this NPI record last updated?

The NPPES record for Carmen Terpstra 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 27 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.