Jeffrey Gerald Karst, MD
Diagnostic Radiology Physician · Loma Linda, CA
Jeffrey Gerald Karst, MD is a diagnostic radiology physician with a practice address in Loma Linda, California, and NPI 1710165006, issued on Feb 8, 2008. Check the license (California A89847, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Gerald Karst
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A89847 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11234 Anderson St, Loma Linda, CA 92350
- Phone
- (909) 558-7814
- Enumerated
- Feb 8, 2008
- Record last updated
- Oct 15, 2024
- Medicare enrollment
- Enrolled (PECOS I20090813000692); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 11234 Anderson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nour Abdel-Azim, MDStudent in an Organized Health Care Education/Training Program1700671542
- Mostafa Abdulrahim, MDStudent in an Organized Health Care Education/Training Program1285579094
- Andranig AdjemianStudent in an Organized Health Care Education/Training Program1366236689
- Ira AdvaniStudent in an Organized Health Care Education/Training Program1770425449
- Hina Ahmed, FNPFamily Nurse Practitioner1689484958
- Saba Ahmed, MDStudent in an Organized Health Care Education/Training Program1114863172
Verify Jeffrey Gerald Karst in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89847Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 100 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).
Industry payments in 2024: $19.99
1 payment: food and beverage; the largest payer was Cook Medical LLC. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Gerald Karst among 4,500 diagnostic radiology physician records in California
Jeffrey Gerald Karst, MD is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 36% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2003 · median 2004 among the 3,130 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
74 diagnostic radiology physician records list a practice address in Loma Linda
They are 74 of the 4,863 NPPES records with a practice address in Loma Linda, and 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Loma Linda → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Ethan Chen, MDLoma Linda, CA 923501952042855
- Carlo Manalo, M.D.Loma Linda, CA 923501932469129
- Timothy Naney, DOLoma Linda, CA 923501962865303
- Darsh Thakrar, M.D.Loma Linda, CA 923501023240546
- Sonia Dhaliwal, MDLoma Linda, CA 923541467491472
- Richard Dunbar, M.D.Loma Linda, CA 923541134152572
- Bernard Hindman, M.D.Loma Linda, CA 923541659396935
- David Hinshaw, M.D.Loma Linda, CA 923541356367692
Common questions
What is Jeffrey Gerald Karst, MD's NPI number?
Jeffrey Gerald Karst, MD's National Provider Identifier (NPI) is 1710165006, issued on Feb 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Gerald Karst, MD located?
The NPPES record lists a practice address at 11234 Anderson St, Loma Linda, CA, 92350. Phone: (909) 558-7814. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Gerald Karst, MD's license?
NPPES lists California license number A89847, 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.
What is Jeffrey Gerald Karst, MD's MIPS final score?
The 2023 MIPS final score is 100 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.