Alyssa Marie Ortega, PA-C
Physician Assistant · San Francisco, CA
Alyssa Marie Ortega, PA-C is a physician assistant with a practice address in San Francisco, California, and NPI 1841803244, issued on Aug 25, 2020. Check the license (California PA65585, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alyssa Marie Ortega
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA65585 CA
0010-13239 NC
Self-reported in NPPES; status is on the state search - Practice location
- 333 1St St Ste A, San Francisco, CA 94105
- Phone
- (888) 803-3370
- Enumerated
- Aug 25, 2020
- Record last updated
- Aug 2, 2026
- Medicare enrollment
- Enrolled (PECOS I20230619001136); 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 333 1St St Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rachel Akin, FNPPrimary Care Nurse Practitioner1104205871
- Mae Carmela AltavasFamily Nurse Practitioner1508261686
- Natalie Araya, P.A.Physician Assistant1578828604
Verify Alyssa Marie 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 PA65585Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average physician assistant in 2024
485 Medicare Part D claims for 269 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Ketoconazole55 claims
- Amoxicillin-Clavulanate Potass50 claims
- Azelastine Hcl41 claims
- Fluticasone Propionate38 claims
- Prednisone35 claims
- Doxycycline Hyclate29 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: $761.87
27 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Bills Medicare through 3 group practices
- Mcpc-24, LLCPinehurst, NC
- Southern Dermatology PALaurinburg, NC
- Unc Physicians Network LLCChapel Hill, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alyssa Marie Ortega among 14,451 physician assistant records in California
Alyssa Marie Ortega, PA-C 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 2020, is newer than 62% of them.
- NPI issued2020 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2020 · median 2018 among the 7,214 with a school on file
- Record last updated2026 · 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).
Physician Assistant providers in California
There are 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Francisco → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Benjamin Brackett, P.A.-CSan Francisco, CA 941051881872018
- Robert Develle, PA-CSan Francisco, CA 941051598709248
- Enrique Gonzalez, PA-CSan Francisco, CA 941051548393697
- Regina Hudak, PA-CSan Francisco, CA 941051346243185
- Larue Laporte, PASan Francisco, CA 941051285782136
- Janel Liverato, PA-CSan Francisco, CA 941051770711038
- Lartily Mateo, PA-CSan Francisco, CA 941051124250220
- Jennifer Nossokoff, PA-CSan Francisco, CA 941051205143591
Common questions
What is Alyssa Marie Ortega, PA-C's NPI number?
Alyssa Marie Ortega, PA-C's National Provider Identifier (NPI) is 1841803244, issued on Aug 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Alyssa Marie Ortega, PA-C located?
The NPPES record lists a practice address at 333 1St St Ste A, San Francisco, CA, 94105. Phone: (888) 803-3370. Providers update this record themselves, so call before visiting.
How can I verify Alyssa Marie Ortega, PA-C's license?
NPPES lists California license number PA65585, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Alyssa Marie Ortega, PA-C prescribe under Medicare Part D?
In 2024, Alyssa Marie Ortega, PA-C had 485 Medicare Part D claims for 269 beneficiaries; the average among physician assistant prescribers was 830. 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.