James Leek, MD
Rheumatology Physician · Roseville, CA
James Leek, MD is a rheumatology physician with a practice address in Roseville, California, and NPI 1659353530, issued on Nov 16, 2005. Check the license (California G022979, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- James Leek
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- G022979 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2261 Douglas Blvd, Roseville, CA 95661
- Phone
- (916) 783-7109
- Enumerated
- Nov 16, 2005
- Record last updated
- Oct 26, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 2261 Douglas Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Leek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G022979Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
James Leek among 926 rheumatology physician records in California
James Leek, MD is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2011 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 926 in California → Every provider in Roseville → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Feruza AbraamyanRoseville, CA 956611124769278
- Emilia Banisad, MDRoseville, CA 956611598293276
- Anupama Bhat, MDRoseville, CA 956611679690200
- Patrick Carroll, MDRoseville, CA 956611114005857
- Michael Crone, D.ORoseville, CA 956611679009336
- Neha Dang, MBBSRoseville, CA 956611962667204
- Anna KhananianRoseville, CA 956611982137287
- Paul Lambie, MDRoseville, CA 956611801974563
Common questions
What is James Leek, MD's NPI number?
James Leek, MD's National Provider Identifier (NPI) is 1659353530, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James Leek, MD located?
The NPPES record lists a practice address at 2261 Douglas Blvd, Roseville, CA, 95661. Phone: (916) 783-7109. Providers update this record themselves, so call before visiting.
How can I verify James Leek, MD's license?
NPPES lists California license number G022979, 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. 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.