NPPES file of Aug 9, 2026

Ronald Todd Peterson, DO

Emergency Medicine Physician · Bakersfield, CA

Ronald Todd Peterson, DO is an emergency medicine physician with a practice address in Bakersfield, California, and NPI 1477533586, issued on Jan 17, 2006. Check the license (California 20A7104, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477533586
Name
Ronald Todd Peterson
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
20A7104 CA
Self-reported in NPPES; status is on the state search
Practice location
2615 Eye St, Bakersfield, CA 93301
Phone
(661) 395-3000
Enumerated
Jan 17, 2006
Record last updated
Sep 28, 2023
Fax
(661) 323-4703
Medicare enrollment
Enrolled (PECOS I20040629001252); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2615 Eye St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ellen Bunyi-Teopengco, M.D.Anatomic Pathology & Clinical Pathology Physician1124087366
  2. Jeffrey Butler, DOEmergency Medicine Physician1619908175
  3. Lilibeth Guinto-Miranda, M.D.Anatomic Pathology & Clinical Pathology Physician1194784322
  4. Steven Jacobs, M.D.Specialist1811956758
  5. Burnett Rucker, MDFamily Medicine Physician1376553008
  6. Dale Stewart, MDFamily Medicine Physician1730118159

Verify Ronald Todd Peterson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A7104
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

47% fewer Medicare Part D claims than the average emergency medicine physician in 2024

119 Medicare Part D claims for 87 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 13 claims were for opioids.

  1. Ronald Peterson119
  2. Specialty average226

Most prescribed

  1. Cephalexin18 claims
  2. Prednisone14 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.

Bills Medicare through 2 group practices

  1. Central Valley Emergency MedicinePorterville, CA
  2. Sunshine Physician Services PCBakersfield, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

116 emergency medicine physician records list a practice address in Bakersfield

They are 116 of the 11,539 NPPES records with a practice address in Bakersfield, and 7,751 emergency medicine physician records in California.

Other emergency medicine physician records in California

  1. Cooper Aakhus, MDStanford, CA1194351007
  2. Pyra Aarden, MDMartinez, CA1417058199
  3. Neal Aaron, D.O.Encinitas, CA1114283520
  4. Eric AaserudeWalnut Creek, CA1811491194
  5. Nader Abas, MDBarstow, CA1346288305
  6. Michael Abbo, MDNovato, CA1205819042
  7. Daniel Abbott, MDFullerton, CA1518907864
  8. Paul-Andre Abboud, M.D.Oakland, CA1710065503
  9. Mostafa Abdel-Hamid, MDStanford, CA1457918740
  10. Ashraf Abdel-KerimChino, CA1396961538

Common questions

What is Ronald Todd Peterson, DO's NPI number?

Ronald Todd Peterson, DO's National Provider Identifier (NPI) is 1477533586, issued on Jan 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Todd Peterson, DO located?

The NPPES record lists a practice address at 2615 Eye St, Bakersfield, CA, 93301. Phone: (661) 395-3000. Providers update this record themselves, so call before visiting.

How can I verify Ronald Todd Peterson, DO's license?

NPPES lists California license number 20A7104, 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 Ronald Todd Peterson, DO prescribe under Medicare Part D?

In 2024, Ronald Todd Peterson, DO had 119 Medicare Part D claims for 87 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.