Carissa Marston
Physician Assistant · Portland, OR
Carissa Marston is a physician assistant with a practice address in Portland, Oregon, and NPI 1790254944, issued on Nov 16, 2018. Check the license (Oregon PA190563, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carissa Marston
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA190563 OR
Self-reported in NPPES; status is on the state search - Practice location
- 727 W Burnside St, Portland, OR 97209
- Phone
- (503) 228-4533
- Enumerated
- Nov 16, 2018
- Entity
- Type 1 · individual
Also registered at 727 W Burnside St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Adler, L.AC.Acupuncturist1568410538
- Meaghan AlbaRegistered Nurse1548078835
- Anne Arthur, BFA, MAHealth Educator1790197879
- Krista BargstenAcupuncturist1922765031
- Brian Barnes, CSWA, MAC, CADC IIIAddiction (Substance Use Disorder) Counselor1487900775
- Julie Beert, RPHPharmacist1639681638
Verify Carissa Marston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA190563Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
81% fewer Medicare Part D claims than the average physician assistant in 2024
161 Medicare Part D claims for 44 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D.
Most prescribed
- Acamprosate Calcium17 claims
- Buprenorphine-Naloxone17 claims
- Metformin Hcl12 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.
One hospital or facility affiliation
- University Professional ServicesPortland, 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.
521 physician assistant records list a Portland practice address
They are 521 of the 42,088 NPPES records with a Portland practice address, and 1,988 physician assistant records in Oregon.
All 521 in Portland → All 1,988 in Oregon → Every provider in Portland →
Other physician assistant records in Oregon
- Matthew Abbott, PA-CPortland, OR1154738003
- Sanyi Yoseph AbdissaHermiston, OR1083356018
- Emad Aboujaoude, PAPortland, OR1982619490
- Christopher Accola, PHARMDSpringfield, OR1063453397
- Erika Acuna, PA-CPortland, OR1881072775
- Heather Adair, PA-CTigard, OR1568749539
- John Adair, PA-CIrrigon, OR1578873477
- Kylee AdamekBend, OR1326720186
- Julie Adams, PA-CHillsboro, OR1710078779
- Natalia Addo, PA-CBeaverton, OR1568271245
Common questions
What is Carissa Marston's NPI number?
Carissa Marston's National Provider Identifier (NPI) is 1790254944, issued on Nov 16, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Carissa Marston located?
The NPPES record lists a practice address at 727 W Burnside St, Portland, OR, 97209. Phone: (503) 228-4533. Providers update this record themselves, so call before visiting.
How can I verify Carissa Marston's license?
NPPES lists Oregon license number PA190563, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Carissa Marston prescribe under Medicare Part D?
In 2024, Carissa Marston had 161 Medicare Part D claims for 44 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.
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.