Marina Ortega, PHYSICIAN ASSISTANT
Physician Assistant · Petaluma, CA
Marina Ortega, PHYSICIAN ASSISTANT is a physician assistant with a practice address in Petaluma, California, and NPI 1316309438, issued on Mar 28, 2016. Check the license (California 53304, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marina Ortega
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 53304 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1179 N Mcdowell Blvd, Petaluma, CA 94954
- Phone
- (707) 559-7500
- Enumerated
- Mar 28, 2016
- Record last updated
- Mar 28, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160510001399); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1179 N Mcdowell Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marina Ortega in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 53304Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average physician assistant in 2024
208 Medicare Part D claims for 76 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium182 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 practice group's MIPS final score for 2023 (Medicare payment program): 74.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- Ucsf Dept OF SurgerySan Francisco, CA
- Ucsf Medical Group Business ServicesBerkeley, CA
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marina Ortega among 14,451 physician assistant records in California
Marina Ortega, PHYSICIAN ASSISTANT is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 44% of them.
- NPI issued2016 · 44% of these records are older, 53% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2015 · median 2018 among the 7,214 with a school on file
- Record last updated2016 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 physician assistant records list a practice address in Petaluma
They are 15 of the 1,856 NPPES records with a practice address in Petaluma, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Petaluma → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Patricia Baker, PAPetaluma, CA 949541902022494
- Edward Bocc, PHYSICIAN ASSISTANTPetaluma, CA 949541215014469
- Mario Garcia, PAPetaluma, CA 949541184274615
- Jena Hoeft, PAPetaluma, CA 949541912123811
- Roxana InfantePetaluma, CA 949541043854151
- Dalbir Khalsa, P.A.Petaluma, CA 949541093803751
- Sharon Morgan, PAPetaluma, CA 949541598981912
- Braulio Ochoa-Montal, PA-CPetaluma, CA 949541831741198
Common questions
What is Marina Ortega, PHYSICIAN ASSISTANT's NPI number?
Marina Ortega, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1316309438, issued on Mar 28, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Marina Ortega, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 1179 N Mcdowell Blvd, Petaluma, CA, 94954. Phone: (707) 559-7500. Providers update this record themselves, so call before visiting.
How can I verify Marina Ortega, PHYSICIAN ASSISTANT's license?
NPPES lists California license number 53304, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Marina Ortega, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, Marina Ortega, PHYSICIAN ASSISTANT had 208 Medicare Part D claims for 76 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Marina Ortega, PHYSICIAN ASSISTANT's MIPS final score?
The 2023 MIPS final score is 74.5 of 100, reported for the practice group. 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.