Karen Marie Anstey, M.D.
Allergy & Immunology Physician · Portland, OR
Karen Marie Anstey, M.D. is an allergy & immunology physician with a practice address in Portland, Oregon, and NPI 1457791261, issued on Jun 26, 2013. Check the license (Oregon MD198556, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karen Marie Anstey
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- MD198556 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park RD, Portland, OR 97239
- Phone
- (503) 494-7680
- Enumerated
- Jun 26, 2013
- Record last updated
- Jun 1, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200527002064); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 43 in Oregon → Look up another NPI →
Also registered at 3181 SW Sam Jackson Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex AamodtCritical Care Medicine Registered Nurse1154257590
- Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
- Kenneth Abbey, MDAnesthesiology Physician1588779342
- Matthew Abbott, PA-CMedical Physician Assistant1154738003
- Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
- Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430
Verify Karen Marie Anstey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD198556Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
205 Medicare Part D claims for 46 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.
Most prescribed
- Azelastine Hcl27 claims
- Montelukast Sodium24 claims
- Berinert15 claims
- Albuterol Sulfate Hfa13 claims
- Nucala12 claims
- Epinephrine11 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 MIPS final score for 2023 (Medicare payment program): 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University Professional ServicesPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Marie Anstey among 43 allergy & immunology physician records in Oregon
Karen Marie Anstey, M.D. is one of 43 allergy & immunology physician records with a practice address in Oregon. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 81% of them.
- NPI issued2013 · 81% of these records are older, 12% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2015 · median 2005 among the 23 with a school on file
- Record last updated2020 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Oregon
There are 43 allergy & immunology physician records in Oregon.
All 43 in Oregon → Every provider in Portland → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Emil Bardana, MDPortland, OR 972391629175443
- Haley Hostetler, M.D.Portland, OR 972391982022265
- Shyam Joshi, M.D.Portland, OR 972391114364247
- Jessica MacdougallPortland, OR 972391407345283
- Anthony Montanaro, MDPortland, OR 972391720185598
- Gregory OwensPortland, OR 972391043439730
- Renganathan Srinivasan, M.D.Portland, OR 972391396841169
- Cristina Swanson, M.D.Portland, OR 972391134562994
Common questions
What is Karen Marie Anstey, M.D.'s NPI number?
Karen Marie Anstey, M.D.'s National Provider Identifier (NPI) is 1457791261, issued on Jun 26, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Karen Marie Anstey, M.D. located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-7680. Providers update this record themselves, so call before visiting.
How can I verify Karen Marie Anstey, M.D.'s license?
NPPES lists Oregon license number MD198556, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Marie Anstey, M.D. prescribe under Medicare Part D?
In 2024, Karen Marie Anstey, M.D. had 205 Medicare Part D claims for 46 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Karen Marie Anstey, M.D.'s MIPS final 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), 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.