William Marcus Newberry, M.D.
Medical Oncology Physician · Nampa, ID
William Marcus Newberry, M.D. is a medical oncology physician with a practice address in Nampa, Idaho, and NPI 1629148762, issued on Nov 8, 2006. Check the license (Idaho 9671150, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- William Marcus Newberry
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- 9671150 ID
MD213839 OR
16828 SC
Self-reported in NPPES; status is on the state search - Practice location
- 9951 W St Lukes Dr, Nampa, ID 83687
- Phone
- (208) 467-6700
- Enumerated
- Nov 8, 2006
- Record last updated
- Jun 27, 2025
- Fax
- (208) 463-6044
- Medicaid IDs
- 500815912 OR
168286 SC - Medicare enrollment
- Enrolled (PECOS I20251017002391); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 22 in Idaho → Look up another NPI →
Also registered at 9951 W St Lukes Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joshua AllenPharmacist1497031579
- Alexandra BartlowPhysician Assistant1841924990
- Heather Bergstrom, LACAcupuncturist1205166527
- Barbara Herbel, MS, RD, LDRegistered Dietitian1285126334
- Makena Kelly, PA-CPhysician Assistant1093306169
- Katherine Mondada, PA-CPhysician Assistant1598231623
Verify William Marcus Newberry in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license 9671150Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average medical oncology physician in 2024
907 Medicare Part D claims for 209 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 51 claims were for opioids.
Most prescribed
- Prednisone127 claims
- Anastrozole111 claims
- Abiraterone Acetate102 claims
- Hydroxyurea57 claims
- Dexamethasone36 claims
- Xtandi28 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 75.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $16.02
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 3,343 providers of this specialty with any payment received $11,773.47 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 2 group practices
- Bend Memorial Clinic PCBend, OR
- St Lukes Clinic-Treasure Valley LLCBoise, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Marcus Newberry among 22 medical oncology physician records in Idaho
William Marcus Newberry, M.D. is one of 22 medical oncology physician records with a practice address in Idaho. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 45% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1992 · median 2003 among the 18 with a school on file
- Record last updated2025 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Idaho
There are 22 medical oncology physician records in Idaho.
All 22 in Idaho → Every provider in Nampa → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Jonathan Swerdloff, MDNampa, ID 836861588696538
- Cannon Milani, MDBoise, ID 837041811212491
- Patricia Avancena, MD-PHDBoise, ID 837061235691478
- Shaalan Beg, MDBoise, ID 837061508077298
- Jashmin Patel, M.D.Boise, ID 837121811121759
- Theodore Walters, MDBoise, ID 837121821016718
- Norman Zuckerman, MDBoise, ID 837121568484053
- Silvana Bucur, MDMeridian, ID 836421326140039
Common questions
What is William Marcus Newberry, M.D.'s NPI number?
William Marcus Newberry, M.D.'s National Provider Identifier (NPI) is 1629148762, issued on Nov 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Marcus Newberry, M.D. located?
The NPPES record lists a practice address at 9951 W St Lukes Dr, Nampa, ID, 83687. Phone: (208) 467-6700. Providers update this record themselves, so call before visiting.
How can I verify William Marcus Newberry, M.D.'s license?
NPPES lists Idaho license number 9671150, 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 William Marcus Newberry, M.D. prescribe under Medicare Part D?
In 2024, William Marcus Newberry, M.D. had 907 Medicare Part D claims for 209 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is William Marcus Newberry, M.D.'s MIPS final score?
The 2023 MIPS final score is 75.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.