Jason Olszewski
Physician Assistant · Baltimore, MD
Jason Olszewski is a physician assistant with a practice address in Baltimore, Maryland, and NPI 1548458128, issued on Oct 9, 2007. Check the license (Maryland C0003608, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jason Olszewski
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- C0003608 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5100 Eastern Ave, Baltimore, MD 21224
- Phone
- (410) 814-4500
- Enumerated
- Oct 9, 2007
- Record last updated
- Mar 7, 2022
- Medicare enrollment
- Enrolled (PECOS I20071231000087); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,224 in Maryland → Look up another NPI →
Also registered at 5100 Eastern Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jason Olszewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license C0003608Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average physician assistant in 2024
532 Medicare Part D claims for 361 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Doxycycline Hyclate46 claims
- Mupirocin39 claims
- Amoxicillin-Clavulanate Potass33 claims
- Methylprednisolone27 claims
- Cefuroxime25 claims
- Azithromycin21 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): 61.7 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 one group practice
- Patient First Maryland Medical Group PLLCOwings Mills, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Olszewski among 3,224 physician assistant records in Maryland
Jason Olszewski is one of 3,224 physician assistant records with a practice address in Maryland. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 75% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2007 · median 2017 among the 1,974 with a school on file
- Record last updated2022 · 46% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,135 physician assistant records list a practice address in Baltimore
They are 1,135 of the 35,183 NPPES records with a practice address in Baltimore, and 3,224 physician assistant records in Maryland.
All 3,224 in Maryland → Every provider in Baltimore → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Carolyn Bacal, P.A.-C.Baltimore, MD 212241568427342
- Lisa Barkey, P.A.-C.Baltimore, MD 212241487619052
- Janine Coy, P.A.Baltimore, MD 212241629054812
- Erin Fitzpatrick, P.A.-C.Baltimore, MD 212241154372225
- Robert Gomon, P.A.-C.Baltimore, MD 212241992758502
- Sherwood Holloway, P.A.-C.Baltimore, MD 212241871546614
- Colleen Howland, PA-CBaltimore, MD 212241346205051
- Andra Love, P.A.-CBaltimore, MD 212241235186776
Common questions
What is Jason Olszewski's NPI number?
Jason Olszewski's National Provider Identifier (NPI) is 1548458128, issued on Oct 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jason Olszewski located?
The NPPES record lists a practice address at 5100 Eastern Ave, Baltimore, MD, 21224. Phone: (410) 814-4500. Providers update this record themselves, so call before visiting.
How can I verify Jason Olszewski's license?
NPPES lists Maryland license number C0003608, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Jason Olszewski prescribe under Medicare Part D?
In 2024, Jason Olszewski had 532 Medicare Part D claims for 361 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Jason Olszewski's MIPS final score?
The 2023 MIPS final score is 61.7 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.