Diane Gilliland, M.D.
General Practice Physician · Torrance, CA
Diane Gilliland, M.D. is a general practice physician with a practice address in Torrance, California, and NPI 1144294927, issued on Feb 16, 2006. Check the license (California C52865, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Diane Gilliland
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- C52865 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 W Carson St # 21, Torrance, CA 90502
- Phone
- (310) 222-3501
- Enumerated
- Feb 16, 2006
- Record last updated
- Jul 16, 2024
- Medicare enrollment
- Enrolled (PECOS I20161010002169); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1000 W Carson St # 21
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David BronsteinStudent in an Organized Health Care Education/Training Program1588466346
- Lizeth Carrillo, MD, MPHEmergency Medicine Physician1770385056
- Brooke ClemmensenStudent in an Organized Health Care Education/Training Program1649975277
- Michael HwangEmergency Medicine Physician1427462688
Verify Diane Gilliland in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C52865Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average general practice physician in 2024
275 Medicare Part D claims for 198 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Mupirocin34 claims
- Amoxicillin-Clavulanate Potass30 claims
- Azithromycin26 claims
- Cefdinir21 claims
- Cephalexin18 claims
- Prednisone17 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.
Bills Medicare through 2 group practices
- Exer Medical CorporationCalabasas, CA
- Marque Medical Clinic, Inc.Newport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
Other general practice physician records in California
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- Ali Abaian, M.D.Los Angeles, CA1316061674
- Tahira Abbasi, MDLa Jolla, CA1619062346
- Ryan Abbott, M.D.Los Angeles, CA1194016030
- Adel Abdelsayed, M.D.Huntington Park, CA1922164961
- Kashif Abdullah, M.D. , M.P.HSan Jose, CA1164651212
- Ilona Abraham, MDEncino, CA1700939576
- Jerry Abraham, MD, MPH, CMQLos Angeles, CA1932514874
- Azniv Abrahamian, M.D.North Hollywood, CA1033270293
- Elliot Abravanel, MDSan Marino, CA1821610114
Common questions
What is Diane Gilliland, M.D.'s NPI number?
Diane Gilliland, M.D.'s National Provider Identifier (NPI) is 1144294927, issued on Feb 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane Gilliland, M.D. located?
The NPPES record lists a practice address at 1000 W Carson St # 21, Torrance, CA, 90502. Phone: (310) 222-3501. Providers update this record themselves, so call before visiting.
How can I verify Diane Gilliland, M.D.'s license?
NPPES lists California license number C52865, 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 Diane Gilliland, M.D. prescribe under Medicare Part D?
In 2024, Diane Gilliland, M.D. had 275 Medicare Part D claims for 198 beneficiaries; the average among general practice physician prescribers was 3,030. 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.