Rafael Siqueiros, M.D.
Family Medicine Physician · Salinas, CA
Rafael Siqueiros, M.D. is a family medicine physician with a practice address in Salinas, California, and NPI 1043320468, issued on Aug 30, 2006. Check the license (California G675190, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rafael Siqueiros
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G675190 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 E Romie LN, Salinas, CA 93901
- Phone
- (831) 770-0123
- Enumerated
- Aug 30, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (831) 753-9717
- Medicaid ID
- GR0083010 CA
- Medicare enrollment
- Enrolled (PECOS I20040617001685); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1988
- 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 400 E Romie LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle Acton, M.DFamily Medicine Physician1073623492
- Liliana Jaques, PA-CPhysician Assistant1184025744
- Daniel Jenkins, DOFamily Medicine Physician1376109595
- Keith McCallin, PA-CMedical Physician Assistant1649434077
- Sumana Reddy, M.D.Family Medicine Physician1336259738
- Lyn Treais, M.D.Family Medicine Physician1124141049
Verify Rafael Siqueiros in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G675190Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average family medicine physician in 2024
3,871 Medicare Part D claims for 295 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 36 claims were for opioids.
Most prescribed
- Atorvastatin Calcium329 claims
- Losartan Potassium232 claims
- Amlodipine Besylate219 claims
- Metformin Hcl174 claims
- Lisinopril140 claims
- Hydrochlorothiazide133 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
- Acacia Family Medical GroupSalinas, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rafael Siqueiros among 17,133 family medicine physician records in California
Rafael Siqueiros, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1988 · median 2005 among the 10,652 with a school on file
- Record last updated2023 · 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).
130 family medicine physician records list a practice address in Salinas
They are 130 of the 4,530 NPPES records with a practice address in Salinas, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Salinas → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Darrin Bright, D.O.Salinas, CA 939011992702146
- John Clark, M.D.Salinas, CA 939011174505523
- Umberto D'Ambrosio, M.D.Salinas, CA 939011942203740
- William Khieu, MDSalinas, CA 939011942203526
- Cecilia Loleng, MDSalinas, CA 939011053314542
- Michael Luder, D.O.Salinas, CA 939011730182510
- Karen Ludlow, MDSalinas, CA 939011063494920
- Warren Nishimoto, DOSalinas, CA 939011508840349
Common questions
What is Rafael Siqueiros, M.D.'s NPI number?
Rafael Siqueiros, M.D.'s National Provider Identifier (NPI) is 1043320468, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rafael Siqueiros, M.D. located?
The NPPES record lists a practice address at 400 E Romie LN, Salinas, CA, 93901. Phone: (831) 770-0123. Providers update this record themselves, so call before visiting.
How can I verify Rafael Siqueiros, M.D.'s license?
NPPES lists California license number G675190, 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 Rafael Siqueiros, M.D. prescribe under Medicare Part D?
In 2024, Rafael Siqueiros, M.D. had 3,871 Medicare Part D claims for 295 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.