Peter Frederick Jost, M.D.
Emergency Medicine Physician · Chula Vista, CA
Peter Frederick Jost, M.D. is an emergency medicine physician with a practice address in Chula Vista, California, and NPI 1518992668, issued on Jul 11, 2006. Check the license (California A81661, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Peter Frederick Jost
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- A81661 CA
46917 CO
Self-reported in NPPES; status is on the state search - Practice location
- 435 H St, Chula Vista, CA 91910
- Phone
- (619) 691-7290
- Enumerated
- Jul 11, 2006
- Record last updated
- May 7, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (619) 691-7435
- Medicaid IDs
- 00A816610 CA
53535359 CO - Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 435 H St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jazmin Barcenas, MDStudent in an Organized Health Care Education/Training Program1790589448
Verify Peter Frederick Jost in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A81661Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average emergency medicine physician in 2024
255 Medicare Part D claims for 185 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Cephalexin35 claims
- Ibuprofen32 claims
- Doxycycline Monohydrate28 claims
- Cefuroxime21 claims
- Hydrocodone-Acetaminophen14 claims
- Prednisone12 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): 88 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).
Peter Frederick Jost among 7,751 emergency medicine physician records in California
Peter Frederick Jost, 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 updated2013 · 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 Chula Vista → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Wayne Bergman, M.D.Chula Vista, CA 919101194755066
- Shaun Carstairs, M.D.Chula Vista, CA 919101255301602
- Monique Devoe, M.D.Chula Vista, CA 919101750312351
- Tonianne French, M.D.Chula Vista, CA 919101770578411
- Mark Handy, M.D.Chula Vista, CA 919101912932062
- Beverly Harrell-Bruder, M.D.Chula Vista, CA 919101619907581
- Peter Mishky, M.D.Chula Vista, CA 919101487681821
- Christy Mohler, M.D.Chula Vista, CA 919101093745812
Common questions
What is Peter Frederick Jost, M.D.'s NPI number?
Peter Frederick Jost, M.D.'s National Provider Identifier (NPI) is 1518992668, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter Frederick Jost, M.D. located?
The NPPES record lists a practice address at 435 H St, Chula Vista, CA, 91910. Phone: (619) 691-7290. Providers update this record themselves, so call before visiting.
How can I verify Peter Frederick Jost, M.D.'s license?
NPPES lists California license number A81661, 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 Peter Frederick Jost, M.D. prescribe under Medicare Part D?
In 2024, Peter Frederick Jost, M.D. had 255 Medicare Part D claims for 185 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Peter Frederick Jost, M.D.'s MIPS final score?
The 2023 MIPS final score is 88 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.