Jeffrey M. Karns, M.D.
Family Medicine Physician · Torrance, CA
Jeffrey M. Karns, M.D. is a family medicine physician with a practice address in Torrance, California, and NPI 1407269673, issued on Jun 5, 2014. Check the license (California A139590, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jeffrey M. Karns
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A139590 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23451 Madison St, Torrance, CA 90505
- Phone
- (301) 378-6208
- Enumerated
- Jun 5, 2014
- Record last updated
- Feb 24, 2025
- Fax
- (301) 378-2564
- Medicare enrollment
- Enrolled (PECOS I20160901001379); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 23451 Madison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jeffrey M. Karns in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A139590Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average family medicine physician in 2024
2,624 Medicare Part D claims for 234 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 51 claims were for opioids.
Most prescribed
- Atorvastatin Calcium167 claims
- Levothyroxine Sodium131 claims
- Furosemide99 claims
- Eliquis90 claims
- Trazodone Hcl77 claims
- Duloxetine Hcl74 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 MIPS final score for 2023 (Medicare payment program): 9.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $19.65
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 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
- Skypark Preferred Family Care Medical CorporationTorrance, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey M. Karns among 17,133 family medicine physician records in California
Jeffrey M. Karns, M.D. is one of 17,133 family 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 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2014 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
114 family medicine physician records list a practice address in Torrance
They are 114 of the 8,901 NPPES records with a practice address in Torrance, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Torrance → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Anthony Chen, MDTorrance, CA 905051669430187
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- Consuelo Franco, MDTorrance, CA 905051013997501
- Robert Glazer, MDTorrance, CA 905051528044815
- Nancy Griffith, MDTorrance, CA 905051982655825
- George Haas, MDTorrance, CA 905051508842501
- Thomas LagreliusTorrance, CA 905051386690915
Common questions
What is Jeffrey M. Karns, M.D.'s NPI number?
Jeffrey M. Karns, M.D.'s National Provider Identifier (NPI) is 1407269673, issued on Jun 5, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey M. Karns, M.D. located?
The NPPES record lists a practice address at 23451 Madison St, Torrance, CA, 90505. Phone: (301) 378-6208. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey M. Karns, M.D.'s license?
NPPES lists California license number A139590, 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 Jeffrey M. Karns, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey M. Karns, M.D. had 2,624 Medicare Part D claims for 234 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Jeffrey M. Karns, M.D.'s MIPS final score?
The 2023 MIPS final score is 9.1 of 100. 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.