Ethan Merrill Petersen
Student in an Organized Health Care Education/Training Program · Torrance, CA
Ethan Merrill Petersen is a student in an organized health care education/training program with a practice address in Torrance, California, and NPI 1821665936, issued on Jun 7, 2021. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ethan Merrill Petersen
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 1000 W Carson St, Torrance, CA 90502
- Phone
- (424) 306-4000
- Enumerated
- Jun 7, 2021
- Record last updated
- Jun 20, 2025
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Also registered at 1000 W Carson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arjan AbarStudent in an Organized Health Care Education/Training Program1982309290
- Brenda Abarca, MDPsychiatry Physician1407485527
- Maleeha AbbasStudent in an Organized Health Care Education/Training Program1275203499
- Saamirah Abdul-MuminCommunity Health Worker1144683947
- Maria Elena AbedesAmbulatory Care Registered Nurse1184360992
- Hoda Abou-Ziab, PSYDClinical Psychologist1649618125
Verify Ethan Merrill Petersen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
21 Medicare Part D claims, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.
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.
Ethan Merrill Petersen among 40,652 student in an organized health care education/training program records in California
Ethan Merrill Petersen is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 28% of them.
- NPI issued2021 · 28% of these records are older, 66% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2025 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
786 student in an organized health care education/training program records list a practice address in Torrance
They are 786 of the 8,901 NPPES records with a practice address in Torrance, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Torrance → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Janice Ancheta, M.D.Torrance, CA 905021396935250
- Maria BakerTorrance, CA 905021972621407
- Melissa Jones, M.D.Torrance, CA 905021043419989
- Brian Kim, M.D.Torrance, CA 905021144411679
- Kimberly KohTorrance, CA 905021043414824
- Elena Lerner, MDTorrance, CA 905021083814636
- Shawnta LockhartTorrance, CA 905021609992247
- Steven Maclean, MDTorrance, CA 905021437349669
Common questions
What is Ethan Merrill Petersen's NPI number?
Ethan Merrill Petersen's National Provider Identifier (NPI) is 1821665936, issued on Jun 7, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ethan Merrill Petersen located?
The NPPES record lists a practice address at 1000 W Carson St, Torrance, CA, 90502. Phone: (424) 306-4000. Providers update this record themselves, so call before visiting.
How can I verify Ethan Merrill Petersen's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ethan Merrill Petersen prescribe under Medicare Part D?
In 2024, Ethan Merrill Petersen had 21 Medicare Part D claims; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions only.
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.