Josephine Nguyen Olson, PA-C
Physician Assistant · Bakersfield, CA
Josephine Nguyen Olson, PA-C is a physician assistant with a practice address in Bakersfield, California, and NPI 1750691242, issued on Oct 18, 2010. Check the license (California PA21153, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Josephine Nguyen Olson
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA21153 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Calloway Dr Ste 200, Bakersfield, CA 93312
- Phone
- (661) 410-7546
- Enumerated
- Oct 18, 2010
- Record last updated
- Aug 4, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120508000433); 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 3400 Calloway Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily Cunningham, PA-CPhysician Assistant1346129715
- Nackyoung YoonNurse Practitioner1073366753
Verify Josephine Nguyen Olson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA21153Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% more Medicare Part D claims than the average physician assistant in 2024
1,589 Medicare Part D claims for 522 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Ketoconazole251 claims
- Imiquimod149 claims
- Betamethasone Dipropionate137 claims
- Doxycycline Hyclate131 claims
- Triamcinolone Acetonide109 claims
- Clobetasol Propionate107 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 MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,418.11
57 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 one group practice
- Ana Cardenas Dermatology A Professional CorporationBakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Josephine Nguyen Olson among 14,451 physician assistant records in California
Josephine Nguyen Olson, 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 2010, is newer than 27% of them.
- NPI issued2010 · 27% of these records are older, 70% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2009 · median 2018 among the 7,214 with a school on file
- Record last updated2011 · 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).
165 physician assistant records list a practice address in Bakersfield
They are 165 of the 11,539 NPPES records with a practice address in Bakersfield, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Bakersfield → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Lisa Chang, P.A.-CBakersfield, CA 933121760744254
- Virginia Gifford, NPBakersfield, CA 933121033208459
- Jillian Heywood, PA-CBakersfield, CA 933121639476971
- Jessica Lopez-Moore, PACBakersfield, CA 933121366623407
- Caroline Moser, PA-CBakersfield, CA 933121518646397
- Sumanth Mothe, PA-C, M.M.SBakersfield, CA 933121588902316
- Suneena Pokkamthanam, PA-CBakersfield, CA 933121396163945
- Michael Reed, NPBakersfield, CA 933121114128006
Common questions
What is Josephine Nguyen Olson, PA-C's NPI number?
Josephine Nguyen Olson, PA-C's National Provider Identifier (NPI) is 1750691242, issued on Oct 18, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Josephine Nguyen Olson, PA-C located?
The NPPES record lists a practice address at 3400 Calloway Dr Ste 200, Bakersfield, CA, 93312. Phone: (661) 410-7546. Providers update this record themselves, so call before visiting.
How can I verify Josephine Nguyen Olson, PA-C's license?
NPPES lists California license number PA21153, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Josephine Nguyen Olson, PA-C prescribe under Medicare Part D?
In 2024, Josephine Nguyen Olson, PA-C had 1,589 Medicare Part D claims for 522 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Josephine Nguyen Olson, PA-C's MIPS final score?
The 2023 MIPS final score is 0 of 100. 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.