Keith Colburn, M.D.
Rheumatology Physician · Loma Linda, CA
Keith Colburn, M.D. is a rheumatology physician with a practice address in Loma Linda, California, and NPI 1477570869, issued on Jul 16, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Keith Colburn
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- Practice location
- 11370 Anderson St, Loma Linda, CA 92354
- Phone
- (909) 558-2191
- Enumerated
- Jul 16, 2006
- Entity
- Type 1 · individual
Also registered at 11370 Anderson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shamel Abd-Allah, M.D.Pediatrics Physician1407879257
- Amir Abdi Pour, MDInternal Medicine Physician1912187477
- Carine AbinaderWomen's Health Nurse Practitioner1174345771
- Ray Abinader, M.D.Obstetrics & Gynecology Physician1770901548
- Ahmed Abou-Zamzam, M.D.Vascular Surgery Physician1558306795
- Borhaan Ahmad, M.D.Pediatrics Physician1740203595
Verify Keith Colburn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
35% more Medicare Part D claims than the average rheumatology physician in 2024
2,788 Medicare Part D claims for 290 beneficiaries, against an average of 2,058 among the 4,833 providers of this specialty who prescribed in Part D. 115 claims were for opioids.
Most prescribed
- Hydroxychloroquine Sulfate219 claims
- Duloxetine Hcl200 claims
- Cyclobenzaprine Hcl174 claims
- Methotrexate171 claims
- Prednisone157 claims
- Baclofen133 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: $2,588.20
133 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 3,502 providers of this specialty with any payment received $8,487.29 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.
One hospital or facility affiliation
- Southland Arthrites And Osteoporosis Medical Center IncRiverside, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Rheumatology Physician providers in California
There are 719 rheumatology physician records in California.
Other rheumatology physician records in California
- Thomas Abel, MDMonte Sereno, CA1871679399
- Thomas Adamson, M.D.San Diego, CA1639187057
- Sana Afroz, MDMoreno Valley, CA1356724074
- Atul Agrawal, MDAntioch, CA1528146016
- Bikramjit Ahluwalia, MDApple Valley, CA1669402467
- Shirin Ahmad, MDFolsom, CA1932182318
- Basma Al Nahlawi, M.D.San Marcos, CA1144455262
- Phillip Aleksiejuk, MDWoodland Hills, CA1063844579
- Stanley Alexander, MDArcadia, CA1497814685
- Edward Amento, M.D.Sunnyvale, CA1457896961
Common questions
What is Keith Colburn, M.D.'s NPI number?
Keith Colburn, M.D.'s National Provider Identifier (NPI) is 1477570869, issued on Jul 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Keith Colburn, M.D. located?
The NPPES record lists a practice address at 11370 Anderson St, Loma Linda, CA, 92354. Phone: (909) 558-2191. Providers update this record themselves, so call before visiting.
How can I verify Keith Colburn, M.D.'s license?
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 Keith Colburn, M.D. prescribe under Medicare Part D?
In 2024, Keith Colburn, M.D. had 2,788 Medicare Part D claims for 290 beneficiaries; the average among rheumatology physician prescribers was 2,058. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.