David Joseph Derose, MD
Internal Medicine Physician · Weimar, CA
David Joseph Derose, MD is an internal medicine physician with a practice address in Weimar, California, and NPI 1700118700, issued on Feb 2, 2010. Check the license (California G83828, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Joseph Derose
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G83828 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20601 West Paoli Lane, Weimar, CA 95736
- Phone
- (530) 637-4111
- Enumerated
- Feb 2, 2010
- Record last updated
- Feb 2, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (530) 637-4443
- Medicare enrollment
- Enrolled (PECOS I20100517000371); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 20601 West Paoli Lane
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samantha Abbade, NPFamily Nurse Practitioner1710446133
- Krystina Holliday, RN, BSNRegistered Nurse1154276764
- Clarence Ing, MDPreventive Medicine/Occupational Environmental Medicine Physician1083793947
- Michelle Little, RDH23156Dental Hygienist1194699488
- Grace LossevPhysical Therapist1245380229
- Michael Orlich, MDFamily Medicine Physician1073692943
Verify David Joseph Derose in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G83828Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,911 Medicare Part D claims for 97 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium88 claims
- Levothyroxine Sodium87 claims
- Trazodone Hcl69 claims
- Lisinopril49 claims
- Famotidine48 claims
- Albuterol Sulfate Hfa47 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): 78.3 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 one group practice
- Adventist Health Clearlake Hospital Inc.Clearlake, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Joseph Derose among 17,696 internal medicine physician records in California
David Joseph Derose, MD 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 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1984 · median 2004 among the 11,065 with a school on file
- Record last updated2010 · 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).
3 internal medicine physician records list a practice address in Weimar
They are 3 of the 21 NPPES records with a practice address in Weimar, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Weimar → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Spencer FreedWeimar, CA 957361740921253
- Dustin Varesko, MDWeimar, CA 957361568753887
- Steven Friend, MDRancho Cordova, CA 957421932289774
- Joseph Iser, MDSoda Springs, CA 957281841403854
- Lamar Alocozy, MDRoseville, CA 957471194475350
- Grant Campbell, MDRoseville, CA 957471861074510
- Hong Son, M.D.Roseville, CA 957471639515190
- James Florencio Tamesis, M.D.Roseville, CA 957471568819050
Common questions
What is David Joseph Derose, MD's NPI number?
David Joseph Derose, MD's National Provider Identifier (NPI) is 1700118700, issued on Feb 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is David Joseph Derose, MD located?
The NPPES record lists a practice address at 20601 West Paoli Lane, Weimar, CA, 95736. Phone: (530) 637-4111. Providers update this record themselves, so call before visiting.
How can I verify David Joseph Derose, MD's license?
NPPES lists California license number G83828, 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 David Joseph Derose, MD prescribe under Medicare Part D?
In 2024, David Joseph Derose, MD had 1,911 Medicare Part D claims for 97 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is David Joseph Derose, MD's MIPS final score?
The 2023 MIPS final score is 78.3 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.