Joseph Welch, PA-C
NPI 1578702536 · Physician Assistant · Hillsboro, OR
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Welch, PA-C is a Physician Assistant provider in Hillsboro, OR (NPI 1578702536).
Provider details
- NPI number
- 1578702536
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 19919 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,250 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 880 | $6 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 392 | $116 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 284 | $46 |
| Biopsy of Related Skin Growth, First Growth11102 | 161 | $82 |
| Destruction of Skin Growth, 1-14 Growths17110 | 130 | $105 |
| Biopsy of Related Skin Growth, Each Additional Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clobetasol Propionate | 140 | 83 |
| Ketoconazole | 96 | 57 |
| Mupirocin | 82 | 60 |
| Doxycycline Hyclate | 75 | 29 |
| Triamcinolone Acetonide | 72 | 49 |
| Dutasteride | 44 | 11 |
| Imiquimod | 41 | 31 |
| Doxycycline Monohydrate | 38 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$452 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-02-16
- Last updated
- 2026-05-11
- Certified
- 2026-05-11
Frequently asked questions
- What is Joseph Welch's NPI number?
- Joseph Welch's National Provider Identifier (NPI) is 1578702536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Welch's specialty?
- Joseph Welch is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joseph Welch located?
- Joseph Welch's practice location on file with NPPES is 5920 Ne Ray Cir Ste 200, Hillsboro, OR 97124-6313.
- What is Joseph Welch's phone number?
- The practice phone number listed in the NPPES registry for Joseph Welch is (503) 297-3440.
- Does Joseph Welch accept Medicare?
- Joseph Welch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Welch's NPI active?
- Yes — Joseph Welch's NPI (1578702536) is active in the NPPES registry as of the last update on 2026-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.