Armando F. Siqueiros, MD
Internal Medicine Physician · San Luis Obispo, CA
Armando F. Siqueiros, MD is an internal medicine physician with a practice address in San Luis Obispo, California, and NPI 1699758540, issued on Nov 23, 2005. Check the license (California G71396, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Armando F. Siqueiros
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G71396 CA
Self-reported in NPPES; status is on the state search - Practice location
- 842 California Blvd, San Luis Obispo, CA 93401
- Phone
- (805) 549-5277
- Enumerated
- Nov 23, 2005
- Record last updated
- May 9, 2023
- Fax
- (805) 549-5293
- Medicaid ID
- 00G713960 CA
- Medicare enrollment
- Enrolled (PECOS I20031107000720); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 842 California Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zachariah Malzhan, C.P.,C.O.A.Prosthetist1306262811
- Evelyn Smith, M.D.Specialist1194762070
- Laura So, CPOProsthetist1922270172
Verify Armando F. Siqueiros in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G71396Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,762 Medicare Part D claims for 265 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 26 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium209 claims
- Atorvastatin Calcium153 claims
- Lisinopril132 claims
- Levothyroxine Sodium123 claims
- Amlodipine Besylate111 claims
- Hydrochlorothiazide73 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.
The MIPS final score for 2023 (Medicare payment program): 96.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- David B. HammerTempleton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Armando F. Siqueiros among 17,696 internal medicine physician records in California
Armando F. Siqueiros, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1989 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 internal medicine physician records list a practice address in San Luis Obispo
They are 41 of the 3,403 NPPES records with a practice address in San Luis Obispo, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Luis Obispo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jeffrey Bloom, MDSan Luis Obispo, CA 934011154346377
- Deborah Cherry, M.D.San Luis Obispo, CA 934011063495356
- Grace Crittenden, MDSan Luis Obispo, CA 934011053343764
- Mark Donaldson, M.D.San Luis Obispo, CA 934011710923933
- Maureen Haas, M.D.San Luis Obispo, CA 934011760437230
- Stephen Hansen, MDSan Luis Obispo, CA 934011649200742
- Jana Hanson, MDSan Luis Obispo, CA 934011508849894
- John Massaro, DOSan Luis Obispo, CA 934011588665293
Common questions
What is Armando F. Siqueiros, MD's NPI number?
Armando F. Siqueiros, MD's National Provider Identifier (NPI) is 1699758540, issued on Nov 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Armando F. Siqueiros, MD located?
The NPPES record lists a practice address at 842 California Blvd, San Luis Obispo, CA, 93401. Phone: (805) 549-5277. Providers update this record themselves, so call before visiting.
How can I verify Armando F. Siqueiros, MD's license?
NPPES lists California license number G71396, 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 Armando F. Siqueiros, MD prescribe under Medicare Part D?
In 2024, Armando F. Siqueiros, MD had 2,762 Medicare Part D claims for 265 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Armando F. Siqueiros, MD's MIPS final score?
The 2023 MIPS final score is 96.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.