Matthew Petersen, DO
Cardiovascular Disease Physician · San Luis Obispo, CA
Matthew Petersen, DO is a cardiovascular disease physician with a practice address in San Luis Obispo, California, and NPI 1396206397, issued on Mar 31, 2019. Check the license (California 20A24105, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew Petersen
- Credential
- DO
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 20A24105 CA
18980 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1941 Johnson Ave Ste 101, San Luis Obispo, CA 93401
- Phone
- (805) 782-8844
- Enumerated
- Mar 31, 2019
- Record last updated
- Jul 14, 2026
- Fax
- (805) 549-6985
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 1941 Johnson Ave Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anne Barnett, PAPhysician Assistant1811948235
- Mark Bocchicchio, MD, FACCInterventional Cardiology Physician1770543373
- Nicholas Brandt, PHYSICIAN ASSISTANTPhysician Assistant1366203903
- Joe Croft, NPNurse Practitioner1831656933
- Michael Doyle, PAPhysician Assistant1245645050
- Megan Hansen, AGACNPAcute Care Nurse Practitioner1306498464
Verify Matthew Petersen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A24105Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
73 Medicare Part D claims for 32 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Metoprolol Succinate12 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.
Industry payments in 2024: $523.92
3 payments; by number, the most common kind was education; the largest payer was Abbott Laboratories. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Matthew Petersen among 2,574 cardiovascular disease physician records in California
Matthew Petersen, DO is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 95% of them.
- NPI issued2019 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in San Luis Obispo → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Armin Bandari, MD, FACCSan Luis Obispo, CA 934011679750574
- Lorianna Fletcher, MD, FACCSan Luis Obispo, CA 934011497715023
- Thinn Hlaing, M.D.San Luis Obispo, CA 934011699976993
- Joel Lardizabal, M.D.San Luis Obispo, CA 934011508960527
- Adam Niku, MDSan Luis Obispo, CA 934011760837447
- Steven Pontius, M.D., F.A.C.C.San Luis Obispo, CA 934011750360350
- Gholamreza Pourzia, M.D.San Luis Obispo, CA 934011487635546
- David Puro, MD, FACCSan Luis Obispo, CA 934011245290741
Common questions
What is Matthew Petersen, DO's NPI number?
Matthew Petersen, DO's National Provider Identifier (NPI) is 1396206397, issued on Mar 31, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Petersen, DO located?
The NPPES record lists a practice address at 1941 Johnson Ave Ste 101, San Luis Obispo, CA, 93401. Phone: (805) 782-8844. Providers update this record themselves, so call before visiting.
How can I verify Matthew Petersen, DO's license?
NPPES lists California license number 20A24105, 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 Matthew Petersen, DO prescribe under Medicare Part D?
In 2024, Matthew Petersen, DO had 73 Medicare Part D claims for 32 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.