Karen L. Reuss, M.D.
Diagnostic Radiology Physician · Laguna Hills, CA
Karen L. Reuss, M.D. is a diagnostic radiology physician with a practice address in Laguna Hills, California, and NPI 1336190354, issued on May 15, 2006. Check the license (California G74593, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen L. Reuss
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- G74593 CA
Self-reported in NPPES; status is on the state search - Practice location
- 24401 Calle DE LA Louisa, Laguna Hills, CA 92653
- Phone
- (949) 452-7200
- Enumerated
- May 15, 2006
- Record last updated
- Feb 28, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 00G745930 CA
- Medicare enrollment
- Enrolled (PECOS I20040315001429); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 24401 Calle DE LA Louisa
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jeffrey Jacobs, M.D.Ophthalmology Physician1194783266
- Diana Kersten, M.D.Ophthalmology Physician1154387595
- Brian Kim, M.D.Ophthalmology Physician1477713030
- Edward Kim, M.D.Ophthalmology Physician1134185606
Verify Karen L. Reuss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G74593Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
14 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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): 91.3 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).
Bills Medicare through 4 group practices
- Coastal Imaging And Intervention IncHuntington Beach, CA
- Newport Diagnostic Center IncNewport Beach, CA
- Newport Diagnostic Radiology IncNewport Beach, CA
- Reza Shahbaz MD IncAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen L. Reuss among 4,500 diagnostic radiology physician records in California
Karen L. Reuss, M.D. 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1988 · median 2004 among the 3,130 with a school on file
- Record last updated2012 · 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).
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Laguna Hills → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Nancy Bucciarelli, M.D.Laguna Hills, CA 926531801948302
- Gretchen Conroy, M.D.Laguna Hills, CA 926531922272103
- William Fields, MDLaguna Hills, CA 926531184781080
- Samantha Kubaska, M.D.Laguna Hills, CA 926531235174111
- Benjamin Lee, M.D.Laguna Hills, CA 926531538299334
- Gary Levine, M.D.Laguna Hills, CA 926531689614224
- Jon Loo, MDLaguna Hills, CA 926531871755017
- Andrew Malatskey, MDLaguna Hills, CA 926531881747756
Common questions
What is Karen L. Reuss, M.D.'s NPI number?
Karen L. Reuss, M.D.'s National Provider Identifier (NPI) is 1336190354, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen L. Reuss, M.D. located?
The NPPES record lists a practice address at 24401 Calle DE LA Louisa, Laguna Hills, CA, 92653. Phone: (949) 452-7200. Providers update this record themselves, so call before visiting.
How can I verify Karen L. Reuss, M.D.'s license?
NPPES lists California license number G74593, 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 Karen L. Reuss, M.D. prescribe under Medicare Part D?
In 2024, Karen L. Reuss, M.D. had 14 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.
What is Karen L. Reuss, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.3 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.