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DR. TRISHA N. HALVORSEN MD
NPI 1245585959
Obstetrics & Gynecology in Mount Vernon, WA

Active since July 18, 2012PECOS Enrolled
1400 E KINCAID ST, MOUNT VERNON, WA 98274(360) 428-2575(360) 428-6471 Get Directions Write a Review

NPPES record last updated: October 18, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Trisha N. Halvorsen Md NPPES

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

DR. TRISHA N. HALVORSEN MD (NPI 1245585959) is an individual obstetrics & gynecology provider in Mount Vernon, Washington, licensed in Washington (MD60654825) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245585959
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. TRISHA N. HALVORSENCredential: MD
Location Address1400 E KINCAID STMount Vernon, WA 98274-4127
Mailing Address1400 E Kincaid St, Attn: CredentialingMount Vernon, WA 98274-4127 · (360) 428-2500 · Fax (360) 428-6485
Phone(360) 428-2575
Fax(360) 428-6471
Sole ProprietorNo
Enumeration DateJuly 18, 2012
Last NPPES UpdateOctober 18, 2016
✔ NPI 1245585959 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in WA · MD60654825✔ Licensed in NE · 6838
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1400 E KINCAID ST, Mount Vernon, WA 98274
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Other Names 1

Former Name (1)Trisha Nadeen Morton

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 (PECOS)

Dr. Trisha N. Halvorsen Md 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
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
Most-billed visit code 99213
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
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-2575
PUBLIC HOSPITAL DIST NO 1 SKAGIT
General Practice
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-2500
SKAGIT VALLEY MEDICAL CENTER
Durable Medical Equipment & Medical Supplies
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-2500
ERIN E CHARLES MD
Pediatrics
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-2500
WILLIAM N HINDERSTEIN MD
Obstetrics & Gynecology
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-2500
ANN D BARSHNEY ARNP
Nurse Practitioner
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-2500
PATRICIA A FRANKLIN MD
Surgery
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-2500
ERIC G POWELL DPM
Podiatrist (Foot & Ankle Surgery)
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Skagit County (360) 848-4120

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 Trisha Halvorsen's NPI number?

The NPI number for Trisha Halvorsen is 1245585959. It was assigned to this individual provider in the NPPES registry on July 18, 2012. The provider is also known as Trisha Nadeen Morton.

Where is Trisha Halvorsen located?

Trisha Halvorsen practices at 1400 E Kincaid St, Mount Vernon, WA 98274. The listed phone number is (360) 428-2575.

What is Trisha Halvorsen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Trisha Halvorsen enrolled in Medicare?

Yes. Trisha Halvorsen is registered in the Medicare PECOS enrollment system.

What insurance does Trisha Halvorsen accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Trisha Halvorsen 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.

When was this NPI record last updated?

The NPPES record for Trisha Halvorsen was last updated on October 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.