Robert M. Welsh, PAC
Physician Assistant · Portland, OR
Robert M. Welsh, PAC is a physician assistant with a practice address in Portland, Oregon, and NPI 1518935618, issued on Mar 14, 2006. Check the license (Oregon PA00675, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert M. Welsh
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA00675 OR
Self-reported in NPPES; status is on the state search - Practice location
- 10000 SE Main St, Portland, OR 97216
- Phone
- (503) 256-5866
- Enumerated
- Mar 14, 2006
- Record last updated
- Mar 26, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,094 in Oregon → Look up another NPI →
Also registered at 10000 SE Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alexis Bonfiglio, PA-CPhysician Assistant1912303504
- Peter Carty, MDInternal Medicine Physician1326004250
- Aaron Case, MDEmergency Medicine Physician1134495567
- Leon Colburn, PAPhysician Assistant1578565339
Verify Robert M. Welsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA00675Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average physician assistant in 2024
402 Medicare Part D claims for 276 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin56 claims
- Amoxicillin-Clavulanate Potass44 claims
- Celecoxib31 claims
- Cephalexin27 claims
- Diclofenac Sodium Er23 claims
- Sulfamethoxazole-Trimethoprim19 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): 68.5 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).
Robert M. Welsh among 2,094 physician assistant records in Oregon
Robert M. Welsh, PAC 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 84% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2009 · 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).
Physician Assistant providers in Oregon
There are 2,094 physician assistant records in Oregon.
All 2,094 in Oregon → Every provider in Portland → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Alexis Bonfiglio, PA-CPortland, OR 972161912303504
- Jenna Clowers, PA-CPortland, OR 972161316339229
- Leon Colburn, PAPortland, OR 972161578565339
- Alexandra Conner, PAPortland, OR 972161417265075
- Amanda Hansen, PA-CPortland, OR 972161457689127
- Toby Higa, PA-CPortland, OR 972161699945733
- Megan Huang, PAPortland, OR 972161417223629
- Sarah Malone, PA-CPortland, OR 972161205119468
Common questions
What is Robert M. Welsh, PAC's NPI number?
Robert M. Welsh, PAC's National Provider Identifier (NPI) is 1518935618, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert M. Welsh, PAC located?
The NPPES record lists a practice address at 10000 SE Main St, Portland, OR, 97216. Phone: (503) 256-5866. Providers update this record themselves, so call before visiting.
How can I verify Robert M. Welsh, PAC's license?
NPPES lists Oregon license number PA00675, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Robert M. Welsh, PAC prescribe under Medicare Part D?
In 2024, Robert M. Welsh, PAC had 402 Medicare Part D claims for 276 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Robert M. Welsh, PAC's MIPS final score?
The 2023 MIPS final score is 68.5 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.