Christopher Michael Simpson, PA
Physician Assistant · Salem, OR
Christopher Michael Simpson, PA is a physician assistant with a practice address in Salem, Oregon, and NPI 1003178336, issued on Jun 12, 2012. Check the license with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christopher Michael Simpson
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 015634 NY
Self-reported in NPPES; status is on the state search - Practice location
- 890 Oak St SE Bldg A, Salem, OR 97301
- Phone
- (503) 814-1278
- Enumerated
- Jun 12, 2012
- Record last updated
- May 26, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (503) 814-1071
- Medicaid ID
- 03776845 NY
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,094 in Oregon → Look up another NPI →
Also registered at 890 Oak St SE Bldg A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christopher Michael Simpson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average physician assistant in 2024
268 Medicare Part D claims for 187 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 52 claims were for opioids.
Most prescribed
- Oxycodone Hcl37 claims
- Naproxen29 claims
- Doxycycline Hyclate24 claims
- Ondansetron Odt19 claims
- Cefdinir17 claims
- Amoxicillin-Clavulanate Potass11 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.
Christopher Michael Simpson among 2,094 physician assistant records in Oregon
Christopher Michael Simpson, PA 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 2012, is newer than 34% of them.
- NPI issued2012 · 34% of these records are older, 63% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2016 · 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).
128 physician assistant records list a practice address in Salem
They are 128 of the 6,700 NPPES records with a practice address in Salem, and 2,094 physician assistant records in Oregon.
All 2,094 in Oregon → Every provider in Salem → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Julie AllstotSalem, OR 973011851522858
- Sadie Blackhall, PA-CSalem, OR 973011922376656
- Randy Cote, PA-CSalem, OR 973011285898320
- Kristen GehringSalem, OR 973011639294671
- Teresa George, PASalem, OR 973011942475918
- Eric Harmon, PASalem, OR 973011972778934
- Angila Johnson, P.A.Salem, OR 973011649473349
- Michelle Lewis, PA-CSalem, OR 973011376843417
Common questions
What is Christopher Michael Simpson, PA's NPI number?
Christopher Michael Simpson, PA's National Provider Identifier (NPI) is 1003178336, issued on Jun 12, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Michael Simpson, PA located?
The NPPES record lists a practice address at 890 Oak St SE Bldg A, Salem, OR, 97301. Phone: (503) 814-1278. Providers update this record themselves, so call before visiting.
How can I verify Christopher Michael Simpson, PA's license?
Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Christopher Michael Simpson, PA prescribe under Medicare Part D?
In 2024, Christopher Michael Simpson, PA had 268 Medicare Part D claims for 187 beneficiaries; the average among physician assistant prescribers was 830. 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.