Marissa Lachaga, PA-S
NPI 1396397659 · Physician Assistant · Hermiston, OR
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Lachaga, PA-S is a Physician Assistant provider in Hermiston, OR (NPI 1396397659).
Provider details
- NPI number
- 1396397659
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-S
- Sex
- Female
- Sole proprietor
- No
- License
- 8438012-1206 (UT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 100 | 33 |
| Lisinopril | 76 | 26 |
| Metformin Hcl | 56 | 21 |
| Amlodipine Besylate | 50 | 17 |
| Losartan Potassium | 39 | 14 |
| Levothyroxine Sodium | 34 | 11 |
| Hydrochlorothiazide |
Practice location
Mailing address
Additional practice locations (2)
- 2452 E Horizon DrEagle Mountain, UT 84005-6295Phone: (801) 819-5575
- 220 W 7200 S Ste aMidvale, UT 84047-1043Phone: (801) 566-5494Fax: (801) 561-9647
Registry dates
- Enumerated
- 2019-07-16
- Last updated
- 2022-09-18
- Certified
- 2022-09-18
Frequently asked questions
- What is Marissa Lachaga's NPI number?
- Marissa Lachaga's National Provider Identifier (NPI) is 1396397659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Lachaga's specialty?
- Marissa Lachaga is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Lachaga located?
- Marissa Lachaga's practice location on file with NPPES is 589 Nw 11th St, Hermiston, OR 97838-6600.
- What is Marissa Lachaga's phone number?
- The practice phone number listed in the NPPES registry for Marissa Lachaga is (541) 567-1717.
- Does Marissa Lachaga accept Medicare?
- Marissa Lachaga is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Lachaga's NPI active?
- Yes — Marissa Lachaga's NPI (1396397659) is active in the NPPES registry as of the last update on 2022-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.