William Duge, MD
Diagnostic Radiology Physician · Saint Helena, CA
William Duge, MD is a diagnostic radiology physician with a practice address in Saint Helena, California, and NPI 1275535700, issued on Aug 15, 2005. Check the license (California G40998, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Duge
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- G40998 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10 Woodland RD, Saint Helena, CA 94574
- Phone
- (707) 261-7821
- Enumerated
- Aug 15, 2005
- Record last updated
- Apr 9, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (707) 256-3508
- Medicaid ID
- 00G409980 CA
- Medicare enrollment
- Enrolled (PECOS I20051013000997); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1979
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 10 Woodland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nora Allen, RN, CNSAcute Care Clinical Nurse Specialist1710481932
- Stephen Banks, MDRadiation Oncology Physician1770680852
- Wendy Battistini, PTPhysical Therapist1215888276
- Julie Butulia, RDRegistered Dietitian1679376891
- Danny Cao, PHARMACISTPharmacist1447069570
- David Carelock, CRNACertified Registered Nurse Anesthetist1790773596
Verify William Duge in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G40998Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
24 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Atorvastatin Calcium12 claims
- Citalopram Hbr12 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): 74.3 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).
Bills Medicare through 5 group practices
- Adventist Health Clearlake Hospital Inc.Clearlake, CA
- Adventist Health Physicians NetworkChico, CA
- California Advanced Imaging Medical Associates IncSonoma, CA
- Ukiah Adventist HospitalUkiah, CA
- Willits Hospital IncWillits, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Duge among 4,500 diagnostic radiology physician records in California
William Duge, MD is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1979 · median 2004 among the 3,130 with a school on file
- Record last updated2012 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Saint Helena → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Geoffrey Horn, DOSaint Helena, CA 945741013117977
- David Racker, M.D.Saint Helena, CA 945741083679781
- Todd Drasin, M.D.San Leandro, CA 945771750488003
- Richard Kuno, MDSan Leandro, CA 945771487732236
- Brett Lee, M.D.San Leandro, CA 945771427034255
- Daniel Lim, MDSan Leandro, CA 945771184709859
- Sundeep Nayak, M.D.San Leandro, CA 945771174567655
- Sapna Palrecha, M.D.San Leandro, CA 945771770602971
Common questions
What is William Duge, MD's NPI number?
William Duge, MD's National Provider Identifier (NPI) is 1275535700, issued on Aug 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Duge, MD located?
The NPPES record lists a practice address at 10 Woodland RD, Saint Helena, CA, 94574. Phone: (707) 261-7821. Providers update this record themselves, so call before visiting.
How can I verify William Duge, MD's license?
NPPES lists California license number G40998, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Duge, MD prescribe under Medicare Part D?
In 2024, William Duge, MD had 24 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.
What is William Duge, MD's MIPS final score?
The 2023 MIPS final score is 74.3 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.