David A. Olson, MD
Internal Medicine Physician · Oakdale, CA
David A. Olson, MD is an internal medicine physician with a practice address in Oakdale, California, and NPI 1346252525, issued on Aug 13, 2006. Check the license (California G40340, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David A. Olson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- G40340 CA
G403400 CA
Self-reported in NPPES; status is on the state search - Practice location
- 232 W F St, Oakdale, CA 95361
- Phone
- (209) 848-2273
- Enumerated
- Aug 13, 2006
- Record last updated
- Feb 23, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (209) 848-0242
- Medicaid ID
- 00G403400 CA
- Medicare enrollment
- Enrolled (PECOS I20061227000209); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1976
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 232 W F St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erika Curtis, SLPSpeech-Language Pathologist1679197537
Verify David A. Olson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G40340Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average internal medicine physician in 2024
4,782 Medicare Part D claims for 352 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 407 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen241 claims
- Atorvastatin Calcium229 claims
- Gabapentin119 claims
- Lisinopril119 claims
- Losartan Potassium108 claims
- Amlodipine Besylate106 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 MIPS final score for 2023 (Medicare payment program): 81.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $52.55
2 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. 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
- David A Olson MD A Professional CorporationOakdale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David A. Olson among 17,696 internal medicine physician records in California
David A. Olson, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1976 · median 2004 among the 11,065 with a school on file
- Record last updated2016 · 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).
7 internal medicine physician records list a practice address in Oakdale
They are 7 of the 207 NPPES records with a practice address in Oakdale, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Oakdale → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Andres Arellano, M.D.Oakdale, CA 953611306917430
- Upinder Basi, MDOakdale, CA 953611891782009
- Amulya Belagavi, MDOakdale, CA 953611457630113
- Elaine Madayag-Capuno, MDOakdale, CA 953611134232119
- Chaitanya Mahida, M.D.Oakdale, CA 953611639189616
- Nguyen Pham, MDOakdale, CA 953611497152078
- Neha Garg, MDPatterson, CA 953631982126397
- Rajwinder Bahia, M.D.Modesto, CA 953561467695452
Common questions
What is David A. Olson, MD's NPI number?
David A. Olson, MD's National Provider Identifier (NPI) is 1346252525, issued on Aug 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David A. Olson, MD located?
The NPPES record lists a practice address at 232 W F St, Oakdale, CA, 95361. Phone: (209) 848-2273. Providers update this record themselves, so call before visiting.
How can I verify David A. Olson, MD's license?
NPPES lists California license number G40340, 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 A. Olson, MD prescribe under Medicare Part D?
In 2024, David A. Olson, MD had 4,782 Medicare Part D claims for 352 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is David A. Olson, MD's MIPS final score?
The 2023 MIPS final score is 81.1 of 100. 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.