Brandon S. Sievers, M.D.
Family Medicine Physician · Santa Ana, CA
Brandon S. Sievers, M.D. is a family medicine physician with a practice address in Santa Ana, California, and NPI 1184068389, issued on Apr 18, 2013. Check the license (California A134436, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brandon S. Sievers
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A134436 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1900 E 4TH St, Santa Ana, CA 92705
- Phone
- (888) 988-2800
- Enumerated
- Apr 18, 2013
- Record last updated
- Oct 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20161215001889); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1900 E 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brandon S. Sievers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A134436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average family medicine physician in 2024
3,773 Medicare Part D claims for 545 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 149 claims were for opioids.
Most prescribed
- Atorvastatin Calcium341 claims
- Amlodipine Besylate183 claims
- Losartan Potassium145 claims
- Rosuvastatin Calcium126 claims
- Lisinopril117 claims
- Levothyroxine Sodium111 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 one group practice
- Southern California Permanente Medical GroupHarbor City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brandon S. Sievers among 17,133 family medicine physician records in California
Brandon S. Sievers, M.D. is one of 17,133 family medicine 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. Its NPI, issued in 2013, is newer than 68% of them.
- NPI issued2013 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2013 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
177 family medicine physician records list a practice address in Santa Ana
They are 177 of the 8,904 NPPES records with a practice address in Santa Ana, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Santa Ana → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ani Atoian, MDSanta Ana, CA 927051174743504
- Thomas Badin, M.D.Santa Ana, CA 927051740358704
- Emily Cahill, D.O.Santa Ana, CA 927051346237948
- Judy Cheng-Chen, M.D.Santa Ana, CA 927051982786521
- Shahriar Davari, M.D.Santa Ana, CA 927051386862001
- Darrel Hopkins, D.O.Santa Ana, CA 927051033204318
- Daniel Jimenez, MDSanta Ana, CA 927051255466801
- Kent Lehman, M.D.Santa Ana, CA 927051346253812
Common questions
What is Brandon S. Sievers, M.D.'s NPI number?
Brandon S. Sievers, M.D.'s National Provider Identifier (NPI) is 1184068389, issued on Apr 18, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Brandon S. Sievers, M.D. located?
The NPPES record lists a practice address at 1900 E 4TH St, Santa Ana, CA, 92705. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.
How can I verify Brandon S. Sievers, M.D.'s license?
NPPES lists California license number A134436, 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 Brandon S. Sievers, M.D. prescribe under Medicare Part D?
In 2024, Brandon S. Sievers, M.D. had 3,773 Medicare Part D claims for 545 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.