Dwayne P. Vanderberg, M.D.
Internal Medicine Physician · Olivehurst, CA
Dwayne P. Vanderberg, M.D. is an internal medicine physician with a practice address in Olivehurst, California, and NPI 1225012008, issued on Dec 5, 2005. Check the license (California G73626, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dwayne P. Vanderberg
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G73626 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4941 Olivehurst Ave, Olivehurst, CA 95961
- Phone
- (530) 743-4611
- Enumerated
- Dec 5, 2005
- Record last updated
- Feb 26, 2026
- Fax
- (530) 743-5770
- Medicare enrollment
- Enrolled (PECOS I20041118000564); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 4941 Olivehurst Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kaneshka Alamshahi, MDFamily Medicine Physician1346510419
- Belquis Amani, PAPhysician Assistant1275512907
- Gary Amatangelo, D.D.S.Dentist1124002852
- Kimberlee Fritz, FNPNurse Practitioner1144245077
- Gursharon Gill, RDHDental Hygienist1396981692
- Indira Grey, PAMedical Physician Assistant1407875487
Verify Dwayne P. Vanderberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G73626Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,176 Medicare Part D claims for 243 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 843 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen564 claims
- Atorvastatin Calcium558 claims
- Omeprazole356 claims
- Albuterol Sulfate Hfa292 claims
- Metformin Hcl265 claims
- Zolpidem Tartrate260 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: $21.30
1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Ampla HealthOlivehurst, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dwayne P. Vanderberg among 17,696 internal medicine physician records in California
Dwayne P. Vanderberg, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1988 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 internal medicine physician records list a practice address in Olivehurst
They are 2 of the 96 NPPES records with a practice address in Olivehurst, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Olivehurst → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Thomas Dougan, MDPlumas Lake, CA 959611548900434
- Karl Valrey, M.D.Olivehurst, CA 959611356325120
- James Corona, MDOrland, CA 959631386646404
- Carol Kavanaugh, D.O.Orland, CA 959631689649444
- Paul Lentz, MDOroville, CA 959651457424343
- Samuel Sanders, MDOroville, CA 959651245337401
- Matthew Fine, M.D.Oroville, CA 959661760437446
- Joan Harter, MDOroville, CA 959661114971322
Common questions
What is Dwayne P. Vanderberg, M.D.'s NPI number?
Dwayne P. Vanderberg, M.D.'s National Provider Identifier (NPI) is 1225012008, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Dwayne P. Vanderberg, M.D. located?
The NPPES record lists a practice address at 4941 Olivehurst Ave, Olivehurst, CA, 95961. Phone: (530) 743-4611. Providers update this record themselves, so call before visiting.
How can I verify Dwayne P. Vanderberg, M.D.'s license?
NPPES lists California license number G73626, 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 Dwayne P. Vanderberg, M.D. prescribe under Medicare Part D?
In 2024, Dwayne P. Vanderberg, M.D. had 10,176 Medicare Part D claims for 243 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.