Registry data as of Aug 27, 2026

Joseph Welch, PA-C

Physician Assistant · Hillsboro, OR

Joseph Welch, PA-C is a physician assistant with a practice address in Hillsboro, Oregon, and NPI 1578702536, issued on Feb 16, 2009. Check the license with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1578702536
Name
Joseph Welch
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
5920 NE Ray Cir Ste 200, Hillsboro, OR 97124
Phone
(503) 297-3440
Enumerated
Feb 16, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 5920 NE Ray Cir Ste 200

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

  1. Holly Chandler, PA-CPhysician Assistant1447431226
  2. Bernard Gasch, MDDermatopathology Physician1407851363
  3. Kari Kobayashi, PA-CPhysician Assistant1972999456
  4. Beata Rydzik, MDProcedural Dermatology Physician1457357576

Verify Joseph Welch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this professionCheck 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

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

23% more Medicare Part D claims than the average physician assistant in 2024

1,025 Medicare Part D claims for 360 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D.

  1. Joseph Welch1,025
  2. Specialty average832

Most prescribed

  1. Clobetasol Propionate140 claims
  2. Ketoconazole96 claims
  3. Mupirocin82 claims
  4. Doxycycline Hyclate75 claims
  5. Triamcinolone Acetonide72 claims
  6. Dutasteride44 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 Medicare quality score for 2023: 97.8 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.

  1. Qualityout of 100 · 30% of the final score81.0
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $452.02

10 payments, mostly food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 61,144 providers of this specialty with any payment received $853.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joseph Welch$452.02
  2. Specialty average$853.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Center For Dermatology And Laser Surgery P CHillsboro, OR

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

68 physician assistant records list a Hillsboro practice address

They are 68 of the 3,302 NPPES records with a Hillsboro practice address, and 1,988 physician assistant records in Oregon.

Other physician assistant records in Oregon

  1. Matthew Abbott, PA-CPortland, OR1154738003
  2. Sanyi Yoseph AbdissaHermiston, OR1083356018
  3. Emad Aboujaoude, PAPortland, OR1982619490
  4. Christopher Accola, PHARMDSpringfield, OR1063453397
  5. Erika Acuna, PA-CPortland, OR1881072775
  6. Heather Adair, PA-CTigard, OR1568749539
  7. John Adair, PA-CIrrigon, OR1578873477
  8. Kylee AdamekBend, OR1326720186
  9. Julie Adams, PA-CHillsboro, OR1710078779
  10. Natalia Addo, PA-CBeaverton, OR1568271245

Common questions

What is Joseph Welch, PA-C's NPI number?

Joseph Welch, PA-C's National Provider Identifier (NPI) is 1578702536, issued on Feb 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Welch, PA-C located?

The NPPES record lists a practice address at 5920 NE Ray Cir Ste 200, Hillsboro, OR, 97124. Phone: (503) 297-3440. Providers update this record themselves, so call before visiting.

How can I verify Joseph Welch, PA-C's license?

Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Joseph Welch, PA-C prescribe under Medicare Part D?

In 2024, Joseph Welch, PA-C had 1,025 Medicare Part D claims for 360 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.

What is Joseph Welch, PA-C's Medicare quality score?

The 2023 MIPS final score is 97.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.