Brian Marshall, FNP-C
NPI 1861186090 · Family Nurse Practitioner · Tualatin, OR
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Marshall, FNP-C is a Family Nurse Practitioner provider in Tualatin, OR (NPI 1861186090).
Provider details
- NPI number
- 1861186090
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Male
- Sole proprietor
- No
- License
- 10009432 (OR)
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 tenure25% of score
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
148 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 60 | $144 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $80 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 29 | $110 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 26 | $97 |
Typical Medicare-allowed amounts for these services range $80–$144 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 132 | 129 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 125 | 124 |
| Omeprazole | 114 | 70 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 78 | 77 |
| Pantoprazole Sodium | 34 | 24 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 21 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$32 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 879 N Providence DrNewberg, OR 97132-7563Phone: (503) 692-3750Fax: (503) 691-2324
- 1508 Division St Ste 15Oregon City, OR 97045-1583Phone: (503) 692-3750Fax: (503) 691-2324
Registry dates
- Enumerated
- 2023-06-08
- Last updated
- 2023-06-22
- Certified
- 2023-06-22
Frequently asked questions
- What is Brian Marshall's NPI number?
- Brian Marshall's National Provider Identifier (NPI) is 1861186090, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Marshall's specialty?
- Brian Marshall is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Brian Marshall located?
- Brian Marshall's practice location on file with NPPES is 19250 Sw 90th Ave, Tualatin, OR 97062-7585.
- What is Brian Marshall's phone number?
- The practice phone number listed in the NPPES registry for Brian Marshall is (503) 692-3750.
- Does Brian Marshall accept Medicare?
- Brian Marshall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Marshall's NPI active?
- Yes — Brian Marshall's NPI (1861186090) is active in the NPPES registry as of the last update on 2023-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.