Sierra Pena, MD
Family Medicine Physician · San Luis Obispo, CA
Sierra Pena, MD is a family medicine physician with a practice address in San Luis Obispo, California, and NPI 1962573964, issued on Nov 13, 2006. Check the license (California C193631, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sierra Pena
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- C193631 CA
MD00039993 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1250 Peach St Ste B, San Luis Obispo, CA 93401
- Phone
- (805) 543-4043
- Enumerated
- Nov 13, 2006
- Record last updated
- Feb 27, 2025
- Fax
- (805) 543-7640
- Medicare enrollment
- Enrolled (PECOS I20220707003099); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 1998
- 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 1250 Peach St Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chelsea Crawford, PAPhysician Assistant1679248769
- Grace Crittenden, MDInternal Medicine Physician1053343764
- Jennifer Poe, NPAdult Health Nurse Practitioner1073157426
- Anjeet Saini, M.D.Internal Medicine Physician1407288574
- Randall Silver, D.O.Family Medicine Physician1205827474
- Mark Stilphen, MDInternal Medicine Physician1063630630
Verify Sierra Pena in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C193631Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average family medicine physician in 2024
1,257 Medicare Part D claims for 186 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium131 claims
- Atorvastatin Calcium71 claims
- Losartan Potassium70 claims
- Levothyroxine Sodium64 claims
- Amlodipine Besylate55 claims
- Lisinopril53 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
- Ihc Health Services IncSalt Lake City, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sierra Pena among 17,133 family medicine physician records in California
Sierra Pena, MD 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
- Graduated1998 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 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).
41 family 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 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Luis Obispo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Blanca Bisuna, MDSan Luis Obispo, CA 934011508199431
- Rodolfo Castillo-Ruiz, MDSan Luis Obispo, CA 934011174549182
- Camille Chandler, D.O.San Luis Obispo, CA 934011578887337
- Steven Goodman, MDSan Luis Obispo, CA 934011295775328
- Virginia Hernandez, M.D.San Luis Obispo, CA 934011477746816
- Geoffrey Kamen, M.D.San Luis Obispo, CA 934011215015953
- George Kienle, DOSan Luis Obispo, CA 934011154406718
- Laurence Lotz, MDSan Luis Obispo, CA 934011841292182
Common questions
What is Sierra Pena, MD's NPI number?
Sierra Pena, MD's National Provider Identifier (NPI) is 1962573964, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sierra Pena, MD located?
The NPPES record lists a practice address at 1250 Peach St Ste B, San Luis Obispo, CA, 93401. Phone: (805) 543-4043. Providers update this record themselves, so call before visiting.
How can I verify Sierra Pena, MD's license?
NPPES lists California license number C193631, 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 Sierra Pena, MD prescribe under Medicare Part D?
In 2024, Sierra Pena, MD had 1,257 Medicare Part D claims for 186 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.