NPPES file of Aug 9, 2026

Katherine Sadzewicz Kahn, PA-C

Physician Assistant · Medford, OR

Katherine Sadzewicz Kahn, PA-C is a physician assistant with a practice address in Medford, Oregon, and NPI 1952693616, issued on May 12, 2011. Check the license (Oregon PA00632, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952693616
Name
Katherine Sadzewicz Kahn
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA00632 OR
Self-reported in NPPES; status is on the state search
Practice location
691 Murphy Road, Medford, OR 97504
Phone
(541) 722-5437
Enumerated
May 12, 2011
Record last updated
Dec 19, 2023
Fax
(541) 857-2852
Medicare enrollment
Enrolled (PECOS I20140221001041); accepts Medicare assignment
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 691 Murphy Road

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

  1. John Gallen, MDEndocrinology, Diabetes & Metabolism Physician1114993656
  2. Donald Johnson, M.D.Pediatrics Physician1659664126
  3. Anthony Ramsey, MDGynecology Physician1013042530
  4. Loralee Sue, MDFamily Medicine Physician1326134537
  5. Mark Williams, PAPhysician Assistant1265742662

Verify Katherine Sadzewicz Kahn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license PA00632
    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
Find the Oregon license search

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94% fewer Medicare Part D claims than the average physician assistant in 2024

49 Medicare Part D claims for 24 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Katherine Kahn49
  2. Specialty average830

Most prescribed

  1. Omeprazole21 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): 92.1 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.

  1. Qualityout of 100 · 30% of the final score82.2
  2. Costout of 100 · 30%97.3
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $227.70

9 payments; by number, the most common kind was food and beverage; the largest payer was Csl Behring. 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.

  1. Katherine Kahn$227.70
  2. Specialty average$841.65

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

  1. Bear Creek Surgery PA, PCAshland, OR

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

Katherine Sadzewicz Kahn among 2,094 physician assistant records in Oregon

Katherine Sadzewicz Kahn, PA-C is one of 2,094 physician assistant records with a practice address in Oregon. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 31% of them.

  • NPI issued2011 · 31% of these records are older, 66% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1995 · median 2017 among the 1,552 with a school on file
  • Record last updated2023 · 37% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

121 physician assistant records list a practice address in Medford

They are 121 of the 4,542 NPPES records with a practice address in Medford, and 2,094 physician assistant records in Oregon.

The 8 physician assistant records with the nearest ZIP codes

  1. Gregory Caldwell, P.A-CMedford, OR 975041023051190
  2. Micheline Cavallacci, PA-CMedford, OR 975041235113994
  3. Abby Coats, P.A.Medford, OR 975041548341738
  4. Jonathan Coniglio, PA-C, ATCMedford, OR 975041326082488
  5. Peter Gray, PA-CMedford, OR 975041528037397
  6. David Greene, PA-CMedford, OR 975041336189547
  7. Timothy Hall, P.A.-CMedford, OR 975041851319917
  8. Gordon Hart, PA-CMedford, OR 975041801852827

Common questions

What is Katherine Sadzewicz Kahn, PA-C's NPI number?

Katherine Sadzewicz Kahn, PA-C's National Provider Identifier (NPI) is 1952693616, issued on May 12, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Sadzewicz Kahn, PA-C located?

The NPPES record lists a practice address at 691 Murphy Road, Medford, OR, 97504. Phone: (541) 722-5437. Providers update this record themselves, so call before visiting.

How can I verify Katherine Sadzewicz Kahn, PA-C's license?

NPPES lists Oregon license number PA00632, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Sadzewicz Kahn, PA-C prescribe under Medicare Part D?

In 2024, Katherine Sadzewicz Kahn, PA-C had 49 Medicare Part D claims for 24 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Katherine Sadzewicz Kahn, PA-C's MIPS final score?

The 2023 MIPS final score is 92.1 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.