Jacob Michael Klein
Emergency Medicine Physician · Temecula, CA
Jacob Michael Klein is an emergency medicine physician with a practice address in Temecula, California, and NPI 1689424806, issued on Mar 22, 2024. Check the license (California 205763, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jacob Michael Klein
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 205763 CA
Self-reported in NPPES; status is on the state search - Practice location
- 31700 Temecula Pkwy Ste Gme 3, Temecula, CA 92592
- Phone
- (951) 331-2535
- Enumerated
- Mar 22, 2024
- Record last updated
- Nov 1, 2025
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 31700 Temecula Pkwy Ste Gme 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Chavez, MDStudent in an Organized Health Care Education/Training Program1083465744
- Bailey CoronaStudent in an Organized Health Care Education/Training Program1932959988
- Ayman ElmasriStudent in an Organized Health Care Education/Training Program1972020188
- Philine Endres-Shafer, MDEmergency Medicine Physician1033691456
- Leon Gilligan-SteinbergStudent in an Organized Health Care Education/Training Program1861247074
- Malaak Hamzeh, MDEmergency Medicine Physician1154019354
Verify Jacob Michael Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 205763Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average emergency medicine physician in 2024
23 Medicare Part D claims for 18 beneficiaries, 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.
Jacob Michael Klein among 7,751 emergency medicine physician records in California
Jacob Michael Klein 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 2024, is newer than over 99% of them.
- NPI issued2024 · over 99% of these records are older, under 1% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2025 · 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 Temecula → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Aditya AgrawalTemecula, CA 925921174109797
- Jailyn Avila, M.D.Temecula, CA 925921740549419
- Nagehan Ayakta, MDTemecula, CA 925921063091767
- Taylor Bashara, MDTemecula, CA 925921447990734
- Philine Endres-Shafer, MDTemecula, CA 925921033691456
- Taylor Fernberg, MDTemecula, CA 925921548910334
- Ryan Itoh, MDTemecula, CA 925921962089573
- Macey JohnsonTemecula, CA 925921902487440
Common questions
What is Jacob Michael Klein's NPI number?
Jacob Michael Klein's National Provider Identifier (NPI) is 1689424806, issued on Mar 22, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Jacob Michael Klein located?
The NPPES record lists a practice address at 31700 Temecula Pkwy Ste Gme 3, Temecula, CA, 92592. Phone: (951) 331-2535. Providers update this record themselves, so call before visiting.
How can I verify Jacob Michael Klein's license?
NPPES lists California license number 205763, 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 Jacob Michael Klein prescribe under Medicare Part D?
In 2024, Jacob Michael Klein had 23 Medicare Part D claims for 18 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.