Karen Linnea Peterson, MD
Karen Linnea Peterson is an Otolaryngology specialist based in Pasadena, CA with over 35 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across CA can see Karen Linnea Peterson, MD in person in Pasadena or via virtual visit — no travel required. A University of Iowa, Rj & L Carver College of Medicine graduate since 1991, she brings 35+ years of experience. CMS Medicare data shows her patients commonly have high cholesterol, hypertension, and arthritis. CMS MIPS quality score: 82.84/100 (2023).
At a glance
- Federal MIPS score higher than 49% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 900dNPPES updated 2023-12-06 · verify NPI on CMS · Verify license at Medical Board of California
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in California.
MIPS Score
202382.84/100
California avg: 78.6 · US avg: 83.6
⚠ Lower than most doctors nationally(-0.8 pts)
Average range among MIPS-scored doctors in CaliforniaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Medicare Patients
84
Unique beneficiaries
Standard volumePrescription Recipients
34
Patients prescribed
Prescriptions Written
83
Total claims
Total Medicare drug cost: $5k
Percentile rankings compared against 9,360 reporting peers in California.
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.
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 Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-1%) — less common here
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-5%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-5%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+1%) — a focus area for this doctor
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-9%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-13%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-12%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$372 received from industry
5 transactions reported in 2024 ·Low tier
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 2024, attributed to Karen Linnea Peterson's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1991
University of Iowa Roy J. and Lucille a. Carver College of Medicine
Board certified · Dec 5, 2023
Self-reported via NPPES
35 years in practice
Senior practitioner
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
Taxonomy: 207Y00000X
Education & Training
University of Iowa, Rj & L Carver College of Medicine (Class of 1991)
Mailing address
4140 W 190th St, Torrance, CA 90504-5513
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 200033
View hospital on Medicare Care CompareVirtual Otolaryngology Care With Karen Linnea Peterson
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Karen Linnea Peterson for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Pasadena 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 Linnea Peterson
Dr. Peterson is listed as active in the NPI registry with telehealth listed in Pasadena, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (424) 314-0196.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Karen Linnea Peterson
Practice Location
960 E Green St Ste 208, Pasadena, CA 91106-2401
Mailing Address
4140 W 190th St, Torrance, CA 90504-5513
This is a provider directory. Contact the office directly to schedule appointments.
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