Rajesh K. Joshi, M.D.
Internal Medicine Physician · Walnut Creek, CA
Rajesh K. Joshi, M.D. is an internal medicine physician with a practice address in Walnut Creek, California, and NPI 1831365998, issued on May 7, 2008. Check the license (California A103987, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rajesh K. Joshi
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A103987 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1220 Rossmoor Parkway, Walnut Creek, CA 94595
- Phone
- (925) 947-3312
- Enumerated
- May 7, 2008
- Record last updated
- Oct 28, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (925) 947-3396
- Medicare enrollment
- Enrolled (PECOS I20090819000478); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 2006
- Entity
- Type 1 · individual
Also registered at 1220 Rossmoor Parkway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nason Azizi, M.D.Internal Medicine Physician1538594973
- Uyen-Chi Huynh, M.D.Internal Medicine Physician1205271335
- Kartik Krishnan, M.D.Internal Medicine Physician1407086853
- Zainab Mezban, MDInternal Medicine Physician1275621872
- Runjhun Misra, D.O.Internal Medicine Physician1386965101
- Brian O'Connor, M.D., MPHInternal Medicine Physician1487087615
Verify Rajesh K. Joshi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A103987Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Department OF State HospitalsNapa, CA
- Galen Inpatient Physicians PCSaint Helena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
183 internal medicine physician records list a practice address in Walnut Creek
They are 183 of the 6,170 NPPES records with a practice address in Walnut Creek, and 17,696 internal medicine physician records in California.
All 183 in Walnut Creek → All 17,696 in California → Every provider in Walnut Creek →
Other internal medicine physician records in California
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- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Rajesh K. Joshi, M.D.'s NPI number?
Rajesh K. Joshi, M.D.'s National Provider Identifier (NPI) is 1831365998, issued on May 7, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Rajesh K. Joshi, M.D. located?
The NPPES record lists a practice address at 1220 Rossmoor Parkway, Walnut Creek, CA, 94595. Phone: (925) 947-3312. Providers update this record themselves, so call before visiting.
How can I verify Rajesh K. Joshi, M.D.'s license?
NPPES lists California license number A103987, 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.
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.