Karen Linnea Peterson, MD
Otolaryngology Physician · Pasadena, CA
Karen Linnea Peterson, MD is an otolaryngology physician with a practice address in Pasadena, California, and NPI 1518970235, issued on Aug 14, 2006. Check the license (California A53128, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen Linnea Peterson
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- A53128 CA
MD00036232 WA
Self-reported in NPPES; status is on the state search - Practice location
- 960 E Green St Ste 208, Pasadena, CA 91106
- Phone
- (424) 314-0196
- Enumerated
- Aug 14, 2006
- Record last updated
- Dec 6, 2023
- Medicaid ID
- 8230948 WA
- Medicare enrollment
- Enrolled (PECOS I20240209003436); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 960 E Green St Ste 208
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zachary Abt, AUDAudiologist1790522712
- Julia Shih, M.A.Audiologist1073705117
- Terrance Yuen, AU.D.Audiologist-Hearing Aid Fitter1083141113
Verify Karen Linnea Peterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A53128Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average otolaryngology physician in 2024
238 Medicare Part D claims for 108 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluticasone Propionate51 claims
- Famotidine44 claims
- Omeprazole34 claims
- Ipratropium Bromide17 claims
- Ofloxacin16 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $371.77
5 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Cedars-Sinai Medical Care FoundationPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California.
Other otolaryngology physician records in California
- Arman Abdalkhani, MDPalo Alto, CA1356536130
- Abdul-Rahman Abdel-ReheemLos Angeles, CA1831770437
- Ahmed AbdelmeguidPalo Alto, CA1447744180
- Rami Abdou, M.D.Santa Rosa, CA1700143013
- Eric AbelloOrange, CA1922566215
- Mohamed Aboueisha, MDLos Angeles, CA1316678881
- Marianne Abouyared, M.D.Sacramento, CA1235472200
- Norton Abramson, M.D.San Clemente, CA1356488696
- Basil Adad, MDWalnut Creek, CA1487732574
- Brett Adams, MDStockton, CA1407934227
Common questions
What is Karen Linnea Peterson, MD's NPI number?
Karen Linnea Peterson, MD's National Provider Identifier (NPI) is 1518970235, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Linnea Peterson, MD located?
The NPPES record lists a practice address at 960 E Green St Ste 208, Pasadena, CA, 91106. Phone: (424) 314-0196. Providers update this record themselves, so call before visiting.
How can I verify Karen Linnea Peterson, MD's license?
NPPES lists California license number A53128, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Linnea Peterson, MD prescribe under Medicare Part D?
In 2024, Karen Linnea Peterson, MD had 238 Medicare Part D claims for 108 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Karen Linnea Peterson, MD's MIPS final score?
The 2023 MIPS final score is 82.8 of 100, reported for the practice group. 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.