Mariellen Van Nieuwenhuyzen, MD
NPI 1477167526 · Family Medicine Physician · Boise, ID
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariellen Van Nieuwenhuyzen, MD is a Family Medicine Physician provider in Boise, ID (NPI 1477167526).
Provider details
- NPI number
- 1477167526
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 58 | 20 |
| Atorvastatin Calcium | 34 | 18 |
| Rosuvastatin Calcium | 31 | — |
| Lisinopril | 31 | — |
| Gabapentin | 30 | — |
| Duloxetine Hcl | 30 | 12 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$143 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)
- 4610 X StSacramento, CA 95817-2200Phone: (707) 628-4682
- 315 E Elm St Ste 100Caldwell, ID 83605-4858Phone: (208) 459-7415Fax: (208) 302-7188
Registry dates
- Enumerated
- 2020-09-05
- Last updated
- 2022-06-03
- Certified
- 2022-06-03
Frequently asked questions
- What is Mariellen Van Nieuwenhuyzen's NPI number?
- Mariellen Van Nieuwenhuyzen's National Provider Identifier (NPI) is 1477167526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariellen Van Nieuwenhuyzen's specialty?
- Mariellen Van Nieuwenhuyzen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mariellen Van Nieuwenhuyzen located?
- Mariellen Van Nieuwenhuyzen's practice location on file with NPPES is 777 N Raymond St, Boise, ID 83704-9251.
- What is Mariellen Van Nieuwenhuyzen's phone number?
- The practice phone number listed in the NPPES registry for Mariellen Van Nieuwenhuyzen is (208) 514-2500.
- Does Mariellen Van Nieuwenhuyzen accept Medicare?
- Mariellen Van Nieuwenhuyzen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariellen Van Nieuwenhuyzen's NPI active?
- Yes — Mariellen Van Nieuwenhuyzen's NPI (1477167526) is active in the NPPES registry as of the last update on 2022-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.