John C. Fredericks, M.D.
Emergency Medicine Physician · Escondido, CA
John C. Fredericks, M.D. is an emergency medicine physician with a practice address in Escondido, California, and NPI 1124034749, issued on Aug 1, 2006. Check the license (California G32763, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John C. Fredericks
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G32763 CA
Self-reported in NPPES; status is on the state search - Practice location
- 555 E Valley Pkwy, Escondido, CA 92025
- Phone
- (760) 739-3300
- Enumerated
- Aug 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 555 E Valley Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anne Allen, C.N.M.Advanced Practice Midwife1487660627
- John Anshus, M.D.Emergency Medicine Physician1225044100
- Richard Austin, MDAnesthesiology Physician1275519589
- Susan Bass, C.N.M.Advanced Practice Midwife1881605632
- Bob Blake, M.D.Emergency Medicine Physician1437165354
- Emily Bowen, PNP, RNPediatric Nurse Practitioner1790947315
Verify John C. Fredericks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G32763Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average emergency medicine physician in 2024
14 Medicare Part D claims, against an average of 226 among the 54,106 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.
John C. Fredericks among 7,751 emergency medicine physician records in California
John C. Fredericks, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Escondido → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- John Anshus, M.D.Escondido, CA 920251225044100
- Bob Blake, M.D.Escondido, CA 920251437165354
- Russell Engevik, M.D.Escondido, CA 920251275549115
- Michele Grad, M.D.Escondido, CA 920251295740884
- Kevin Hutton, M.D.Escondido, CA 920251568477107
- Emi Latham, M.D.Escondido, CA 920251871594903
- Steven Mannis, M.DEscondido, CA 920251720037187
- Martin Oretsky, M.D.Escondido, CA 920251720093180
Common questions
What is John C. Fredericks, M.D.'s NPI number?
John C. Fredericks, M.D.'s National Provider Identifier (NPI) is 1124034749, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John C. Fredericks, M.D. located?
The NPPES record lists a practice address at 555 E Valley Pkwy, Escondido, CA, 92025. Phone: (760) 739-3300. Providers update this record themselves, so call before visiting.
How can I verify John C. Fredericks, M.D.'s license?
NPPES lists California license number G32763, 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 John C. Fredericks, M.D. prescribe under Medicare Part D?
In 2024, John C. Fredericks, M.D. had 14 Medicare Part D claims; 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.