Daniel Dysart Pearce, D.O.
Internal Medicine Physician · Riverside, CA
Daniel Dysart Pearce, D.O. is an internal medicine physician with a practice address in Riverside, California, and NPI 1376635383, issued on Sep 28, 2006. Check the license (California 20A5464, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Daniel Dysart Pearce
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A5464 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1971 University Ave, Riverside, CA 92507
- Phone
- (951) 284-6200
- Enumerated
- Sep 28, 2006
- Record last updated
- Jan 10, 2023
- Fax
- (360) 462-5826
- Medicaid ID
- 00AX54640 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1971 University Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Daniel Dysart Pearce in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A5464Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
328 Medicare Part D claims for 30 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Atorvastatin Calcium23 claims
- Basaglar Kwikpen U-10016 claims
- Bupropion Xl13 claims
- Metformin Hcl12 claims
- Alendronate Sodium11 claims
- Clopidogrel11 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: $65.13
2 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. 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.
Daniel Dysart Pearce among 17,696 internal medicine physician records in California
Daniel Dysart Pearce, D.O. 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 fileNo · 63% of these records are
- Record last updated2023 · 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).
187 internal medicine physician records list a practice address in Riverside
They are 187 of the 13,893 NPPES records with a practice address in Riverside, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Riverside → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ronald Dulos, MDRiverside, CA 925071821063710
- Douglas Eaton, MDRiverside, CA 925071326023359
- Uju Ezeamama, MD, MSNRiverside, CA 925071316462724
- Kajal Gupta, M.DRiverside, CA 925071154461010
- Thuyvan Nguyen, D.O.Riverside, CA 925071275859233
- Nikita Shah, DORiverside, CA 925071407485402
- Margaret Song, MDRiverside, CA 925071104074814
- Christopher Swanson, M.D.Riverside, CA 925071023016847
Common questions
What is Daniel Dysart Pearce, D.O.'s NPI number?
Daniel Dysart Pearce, D.O.'s National Provider Identifier (NPI) is 1376635383, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Dysart Pearce, D.O. located?
The NPPES record lists a practice address at 1971 University Ave, Riverside, CA, 92507. Phone: (951) 284-6200. Providers update this record themselves, so call before visiting.
How can I verify Daniel Dysart Pearce, D.O.'s license?
NPPES lists California license number 20A5464, 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 Daniel Dysart Pearce, D.O. prescribe under Medicare Part D?
In 2024, Daniel Dysart Pearce, D.O. had 328 Medicare Part D claims for 30 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.