1. Home
  2. Directory
  3. Oregon
  4. Hermiston
  5. Physician Assistant
  6. NPI Profile

MS. MARISSA ELIZABETH LACHAGA PA-S
NPI 1396397659
Physician Assistant in Hermiston, OR

Active since July 16, 2019PECOS EnrolledAccepts Medicare Assignment
600 NW 11TH ST STE E37, HERMISTON, OR 97838(541) 567-5305(541) 667-3831 Get Directions Write a Review

NPPES record last updated: June 11, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 18, 2022, May 26, 2021, Jul 16, 2019 (3 updates tracked since 2019).

About Ms. Marissa Elizabeth Lachaga Pa-s NPPES

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

MS. MARISSA ELIZABETH LACHAGA PA-S (NPI 1396397659) is an individual physician assistant in Hermiston, Oregon, licensed in Oregon (PA212471) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, is affiliated with Good Shepherd Medical Center, and is a graduate of University Of Utah School Of Medicine (2020).

NPPES Registry Identity

NPI1396397659
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMS. MARISSA ELIZABETH LACHAGACredential: PA-S
Location Address600 NW 11TH ST STE E37Hermiston, OR 97838-8604
Mailing Address600 Nw 11th St Ste E37Hermiston, OR 97838-8604 · (541) 567-5305 · Fax (541) 667-3831
Phone(541) 567-5305
Fax(541) 667-3831
Sole ProprietorNo
Medical School CMSUniversity Of Utah School Of MedicineGraduated 2020
Enumeration DateJuly 16, 2019
Last NPPES UpdateJune 11, 20263 updates tracked since enumeration
NPPES CertifiedJune 11, 2026
✔ NPI 1396397659 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses✔ Licensed in OR · PA212471✔ Licensed in UT · 8438012-1206
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
600 NW 11TH ST STE E37, Hermiston, OR 97838
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and more.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

Ms. Marissa Elizabeth Lachaga Pa-s 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 ID941601348
PECOS Enrollment IDI20221005000575
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.

Good Shepherd Medical Center

Critical Access Hospitals · Hermiston, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number381325
Location610 NW 11th StreetHermiston, OR 97838 · Umatilla County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97838 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
$84.82 typical visit price
range $54.96 – $166.64
Typical copayment $21.20 (range $13.74 – $41.66)
Most-billed visit code 99203
Established Patient
$68.64 typical visit price
range $17.68 – $136.19
Typical copayment $17.16 (range $4.42 – $34.04)
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 15

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

MICHELLE MCINTYRE
Nurse Practitioner
600 NW 11TH ST STE E37
HERMISTON, OR 97838
Umatilla County (541) 567-5305
MISS PHYLLIS LEPPKE HANSELL FNP-C
Nurse Practitioner (Family)
600 NW 11TH ST STE E37
HERMISTON, OR 97838
Umatilla County (541) 567-5305
MARY ELIZABETH SWIHART CFNP
Nurse Practitioner (Family)
600 NW 11TH ST STE E37
HERMISTON, OR 97838
Umatilla County (541) 567-5305
ASHLEY RAE CHRISTENSEN ARNP
Nurse Practitioner (Family)
600 NW 11TH ST STE E37
HERMISTON, OR 97838
Umatilla County (541) 567-5305
DR. STEWART D SWENA M.D.
Family Medicine
600 NW 11TH ST STE E37
HERMISTON, OR 97838
Umatilla County (541) 567-5305
DR. JAMIE ELIZABETH ROBINSON MD
Family Medicine
600 NW 11TH ST STE E37
HERMISTON, OR 97838
Umatilla County (541) 567-5305
MARIA Z HOLDEN
Physician Assistant
600 NW 11TH ST STE E37
HERMISTON, OR 97838
Umatilla County (541) 567-5305
MICHAEL ANDREW HALL RD
Dietitian, Registered
600 NW 11TH ST STE E37
HERMISTON, OR 97838
Umatilla County (541) 567-5305

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 Marissa Lachaga's NPI number?

The NPI number for Marissa Lachaga is 1396397659. It was assigned to this individual provider in the NPPES registry on July 16, 2019.

Where is Marissa Lachaga located?

Marissa Lachaga practices at 600 NW 11th St Ste E37, Hermiston, OR 97838. The listed phone number is (541) 567-5305.

What is Marissa Lachaga's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Marissa Lachaga enrolled in Medicare?

Yes. Marissa Lachaga 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 Marissa Lachaga accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and Regence BlueCross BlueShield of Oregon list Marissa Lachaga 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 Marissa Lachaga affiliated with any hospitals?

According to CMS data, Marissa Lachaga is affiliated with Good Shepherd Medical Center.

When was this NPI record last updated?

The NPPES record for Marissa Lachaga was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 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.