Karen Marie Anstey, M.D.

Allergy & Immunology

Karen Marie Anstey is an Allergy & Immunology specialist based in Portland, OR with over 11 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(503) 494-7680Portland, OR
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Karen Marie Anstey, M.D. specializes in allergy & immunology, serving patients in Portland, OR in group practice. A Oregon Health Sciences University School of Medicine graduate since 2015, she brings 11+ years of experience. CMS Medicare data shows her patients commonly have high cholesterol, hypertension, and anxiety. CMS MIPS quality score: 97.83/100 (2023).

At a glance

  • Federal MIPS score higher than 64% of MIPS-scored doctors in Oregon
  • Virtual visits available — no app or travel required
1 of 9 Allergy & Immunology providers in ORSee all Allergy & Immunology in Portland11+ years experienceNPI since 2013

Older · 2182dNPPES updated 2020-06-01 · verify NPI on CMS · Verify license at Oregon Medical Board

Contact & Location

Practice Location

3181 Sw Sam Jackson Park Rd Mail Code Uhn67, Portland, OR 97239-3011

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor has an average quality score compared to other doctors in Oregon.

MIPS Score

2023

97.83/100

Oregon avg: 89.5 · US avg: 83.6

Higher than most doctors nationally(+14.2 pts)

Average range among MIPS-scored doctors in Oregon

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Generic Rx

↑ Higher = better

55.9%

Oregon avg: 83.7 · US avg: 82.8

Lower than most doctors nationally(-26.9 pts)

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

84

Unique beneficiaries

Standard volume

Prescription Recipients

43

Patients prescribed

Prescriptions Written

213

Total claims

Total Medicare drug cost: $136k

Percentile rankings compared against 1,341 reporting peers in Oregon.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Anxiety Disorders.

High Cholesterol
Lower than avg (-9%)61%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-9%) — less common here

Hypertension
Lower than avg (-12%)58%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↓ Fewer patients than average (-12%) — less common here

Anxiety Disorders
Higher than avg (+9%)43%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↑ More patients than average (+9%) — a focus area for this doctor

Arthritis
Lower than avg (-9%)40%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-9%) — less common here

Asthma
Higher than avg (+25%)38%

A condition causing airway inflammation, wheezing, and difficulty breathing

US avg: 13.3%

↑ More patients than average (+25%) — a focus area for this doctor

Mood Disorders
36%

Conditions affecting emotional state, including depression and bipolar disorder

Depression
Lower than avg (-2%)30%

A mood disorder causing persistent sadness and loss of interest in activities

US avg: 31.8%

↓ Fewer patients than average (-2%) — less common here

Diabetes
Lower than avg (-11%)23%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-11%) — less common here

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$165 received from industry

2 transactions reported in 2018 ·Low tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to Karen Marie Anstey's NPI.

Patient Reviews

No patient reviews yet. If you've seen Karen Marie Anstey, your feedback helps other patients.

Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →

Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2015

    Oregon Health Sciences University School of Medicine

  2. Board certified · May 31, 2020

    Self-reported via NPPES

  3. 11 years in practice

    Established

Allergy & ImmunologyAllopathic & Osteopathic Physicians

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Taxonomy: 207K00000X

Education & Training

Oregon Health Sciences University School of Medicine (Class of 2015)

Virtual Allergy & Immunology Care With Karen Marie Anstey

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Karen Marie Anstey for cholesterol management, blood pressure monitoring, anxiety counseling — no travel to Portland required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Karen Marie Anstey

Dr. Anstey is listed as active in the NPI registry with telehealth listed in Portland, OR. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (503) 494-7680.

Verified across 6 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.

Is this your profile?

Verify credentials, update practice details, and manage telehealth.

Claim Profile

Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

Related Providers

Allergy & Immunology in Oregon

See all