Victoria Seib, PA-C
Physician Assistant · Thousand Oaks, CA
Victoria Seib, PA-C is a physician assistant with a practice address in Thousand Oaks, California, and NPI 1336684737, issued on Dec 21, 2016. Check the license (California 53847, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Victoria Seib
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 53847 CA
Self-reported in NPPES; status is on the state search - Practice location
- 215 W Janss RD, Thousand Oaks, CA 91360
- Phone
- (805) 370-4521
- Enumerated
- Dec 21, 2016
- Record last updated
- Feb 15, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 215 W Janss RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rehman Afraz, MDStudent in an Organized Health Care Education/Training Program1265370407
Verify Victoria Seib in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 53847Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average physician assistant in 2024
33 Medicare Part D claims for 21 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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): 94.6 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).
Victoria Seib among 14,451 physician assistant records in California
Victoria Seib, 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 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 fileNo · 50% of these records are
- Record last updated2019 · 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).
40 physician assistant records list a practice address in Thousand Oaks
They are 40 of the 2,434 NPPES records with a practice address in Thousand Oaks, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Thousand Oaks → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Byron Caballeros, PA-CThousand Oaks, CA 913601578091575
- Christine Caldwell, PAThousand Oaks, CA 913601215056114
- Amanda Cowden, PA-CThousand Oaks, CA 913601568177236
- Erica Everett, PA-CThousand Oaks, CA 913601891252334
- Alexis HadaThousand Oaks, CA 913601679318711
- Kelly Hall, PA-CThousand Oaks, CA 913601710989439
- Breanne Hesseltine, PA-CThousand Oaks, CA 913601235708975
- Asma Hussaini, PAThousand Oaks, CA 913601588893838
Common questions
What is Victoria Seib, PA-C's NPI number?
Victoria Seib, PA-C's National Provider Identifier (NPI) is 1336684737, issued on Dec 21, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Victoria Seib, PA-C located?
The NPPES record lists a practice address at 215 W Janss RD, Thousand Oaks, CA, 91360. Phone: (805) 370-4521. Providers update this record themselves, so call before visiting.
How can I verify Victoria Seib, PA-C's license?
NPPES lists California license number 53847, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Victoria Seib, PA-C prescribe under Medicare Part D?
In 2024, Victoria Seib, PA-C had 33 Medicare Part D claims for 21 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Victoria Seib, PA-C's MIPS final score?
The 2023 MIPS final score is 94.6 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.