Mariellen C. Van Nieuwenhuyzen, MD
Family Medicine Physician · Boise, ID
Mariellen C. Van Nieuwenhuyzen, MD is a family medicine physician with a practice address in Boise, Idaho, and NPI 1477167526, issued on Sep 5, 2020. Check the license (Idaho MRM-2165, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Mariellen C. Van Nieuwenhuyzen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MRM-2165 ID
Self-reported in NPPES; status is on the state search - Practice location
- 777 N Raymond St, Boise, ID 83704
- Phone
- (208) 514-2500
- Enumerated
- Sep 5, 2020
- Record last updated
- Jun 3, 2022
- Fax
- (208) 375-2217
- Medicare enrollment
- Enrolled (PECOS I20250723002173); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,316 in Idaho → Look up another NPI →
Also registered at 777 N Raymond St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mariellen C. Van Nieuwenhuyzen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license MRM-2165Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average family medicine physician in 2024
872 Medicare Part D claims for 134 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Levothyroxine Sodium58 claims
- Atorvastatin Calcium34 claims
- Lisinopril31 claims
- Rosuvastatin Calcium31 claims
- Duloxetine Hcl30 claims
- Gabapentin30 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $143.26
1 payment: food and beverage; the largest payer was Karyopharm Therapeutics Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Walter Knox Memorial HospitalEmmett, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariellen C. Van Nieuwenhuyzen among 1,316 family medicine physician records in Idaho
Mariellen C. Van Nieuwenhuyzen, MD is one of 1,316 family medicine physician records with a practice address in Idaho. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 79% of them.
- NPI issued2020 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2009 among the 793 with a school on file
- Record last updated2022 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
315 family medicine physician records list a practice address in Boise
They are 315 of the 9,467 NPPES records with a practice address in Boise, and 1,316 family medicine physician records in Idaho.
All 1,316 in Idaho → Every provider in Boise → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ann Beach, MDBoise, ID 837041912968892
- Kirsten Deutsch, MDBoise, ID 837041407800865
- Jeffrey Edwards, MDBoise, ID 837041578566253
- Ronald Higginbotham, D.O.Boise, ID 837041760486138
- Mark Johnson, MDBoise, ID 837041831155365
- Arthur Jones, MDBoise, ID 837041063402097
- Russell Kocemba, MDBoise, ID 837041588629406
- Eric Maier, MDBoise, ID 837041831154707
Common questions
What is Mariellen C. Van Nieuwenhuyzen, MD's NPI number?
Mariellen C. Van Nieuwenhuyzen, MD's National Provider Identifier (NPI) is 1477167526, issued on Sep 5, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Mariellen C. Van Nieuwenhuyzen, MD located?
The NPPES record lists a practice address at 777 N Raymond St, Boise, ID, 83704. Phone: (208) 514-2500. Providers update this record themselves, so call before visiting.
How can I verify Mariellen C. Van Nieuwenhuyzen, MD's license?
NPPES lists Idaho license number MRM-2165, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mariellen C. Van Nieuwenhuyzen, MD prescribe under Medicare Part D?
In 2024, Mariellen C. Van Nieuwenhuyzen, MD had 872 Medicare Part D claims for 134 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.