Runa Basu, D.O.
Internal Medicine Physician · Berkeley, CA
Runa Basu, D.O. is an internal medicine physician with a practice address in Berkeley, California, and NPI 1245471689, issued on Mar 16, 2009. Check the license (California 2OA6804, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Runa Basu
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2OA6804 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1524 Fairview St, Berkeley, CA 94703
- Phone
- (510) 771-3000
- Enumerated
- Mar 16, 2009
- Record last updated
- Mar 16, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (510) 550-2555
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1524 Fairview St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dawn Brown, D.O.General Practice Physician1518109248
Verify Runa Basu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 2OA6804Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
24 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Runa Basu among 17,696 internal medicine physician records in California
Runa Basu, 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 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2009 · 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).
83 internal medicine physician records list a practice address in Berkeley
They are 83 of the 4,898 NPPES records with a practice address in Berkeley, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Berkeley → Internal Medicine Physician nationwide →
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- Anne BosshardtBerkeley, CA 947041841435427
- Janie Bryant, MDBerkeley, CA 947041922176080
- Ji Chen, M.D.Berkeley, CA 947021386685444
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- Rachel Fogel, M.D.Berkeley, CA 947021205039013
Common questions
What is Runa Basu, D.O.'s NPI number?
Runa Basu, D.O.'s National Provider Identifier (NPI) is 1245471689, issued on Mar 16, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Runa Basu, D.O. located?
The NPPES record lists a practice address at 1524 Fairview St, Berkeley, CA, 94703. Phone: (510) 771-3000. Providers update this record themselves, so call before visiting.
How can I verify Runa Basu, D.O.'s license?
NPPES lists California license number 2OA6804, 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 Runa Basu, D.O. prescribe under Medicare Part D?
In 2024, Runa Basu, D.O. had 24 Medicare Part D claims; 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.