NPPES file of Aug 9, 2026

Jon Olszewski, PA-C

Urology Physician · Boston, MA

Jon Olszewski, PA-C is a urology physician with a practice address in Boston, Massachusetts, and NPI 1629602115, issued on Feb 24, 2020. Check the license (Massachusetts PA7395, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629602115
Name
Jon Olszewski
Credential
PA-C
Primary taxonomy
Urology Physician 208800000X
License number
PA7395 MA
Self-reported in NPPES; status is on the state search
Practice location
75 Francis St, Boston, MA 02115
Phone
(617) 732-5500
Enumerated
Feb 24, 2020
Record last updated
Feb 24, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200528003029); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 75 Francis St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amin AalipourStudent in an Organized Health Care Education/Training Program1902483258
  2. Emily Aaronson, M.D.Emergency Medicine Physician1962791558
  3. Sarah Abbett, M.D.Anesthesiology Physician1902097736
  4. Christine Abbott, NPAdult Health Nurse Practitioner1851471940
  5. Muhammad Abd-El-Barr, M.D., PH.D.Neurological Surgery Physician1891922688
  6. Duaa AbdelhameidStudent in an Organized Health Care Education/Training Program1851852867

Verify Jon Olszewski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license PA7395
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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67% fewer Medicare Part D claims than the average urology physician in 2024

443 Medicare Part D claims for 192 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Jon Olszewski443
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl158 claims
  2. Finasteride76 claims
  3. Ciprofloxacin Hcl24 claims
  4. Trospium Chloride22 claims
  5. Tadalafil20 claims
  6. Nitrofurantoin Mono-Macro16 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.

Bills Medicare through one group practice

  1. Brigham And Womens Physicians Organization IncJamaica Plain, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jon Olszewski among 377 urology physician records in Massachusetts

Jon Olszewski, PA-C is one of 377 urology physician records with a practice address in Massachusetts. 77% 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 92% of them.

  • NPI issued2020 · 92% of these records are older, 6% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2019 · median 2002 among the 244 with a school on file
  • Record last updated2020 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in Massachusetts

There are 377 urology physician records in Massachusetts.

The 8 urology physician records with the nearest ZIP codes

  1. Stuart Bauer, MDBoston, MA 021151528045804
  2. Joseph Borer, MDBoston, MA 021151700864592
  3. Marc Cendron, MDBoston, MA 021151679550008
  4. Bartley Cilento, MDBoston, MA 021151326025750
  5. David Diamond, MDBoston, MA 021151619954658
  6. Christopher Doyle, MDBoston, MA 021151972560290
  7. Robert Eyre, M.D.Boston, MA 021151619917150
  8. Gary Kearney, MDBoston, MA 021151326040080

Common questions

What is Jon Olszewski, PA-C's NPI number?

Jon Olszewski, PA-C's National Provider Identifier (NPI) is 1629602115, issued on Feb 24, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Jon Olszewski, PA-C located?

The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 732-5500. Providers update this record themselves, so call before visiting.

How can I verify Jon Olszewski, PA-C's license?

NPPES lists Massachusetts license number PA7395, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jon Olszewski, PA-C prescribe under Medicare Part D?

In 2024, Jon Olszewski, PA-C had 443 Medicare Part D claims for 192 beneficiaries; the average among urology physician prescribers was 1,340. 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.