KAREN L REUSS M.D.
NPI 1336190354
Radiology - Diagnostic Radiology in Laguna Hills, CA

Active since May 15, 2006PECOS EnrolledAccepts Medicare Assignment
91.24/100
CMS Quality Rating
24401 CALLE DE LA LOUISA, SUITE #200, LAGUNA HILLS, CA 92653(949) 452-7200 Get Directions Write a Review

NPPES record last updated: February 28, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Karen L Reuss M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KAREN L REUSS M.D. (NPI 1336190354) is an individual diagnostic radiology provider in Laguna Hills, California, licensed in California (G74593) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1988).

NPPES Registry Identity

NPI1336190354
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameKAREN L REUSSCredential: M.D.
Location Address24401 CALLE DE LA LOUISA, SUITE #200Laguna Hills, CA 92653-3623
Mailing Address27762 Antonio Pkwy, L1-418Ladera Ranch, CA 92694-1140 · (949) 922-9410 · Fax (949) 472-4371
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateMay 15, 2006
Last NPPES UpdateFebruary 28, 2012
✔ NPI 1336190354 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · G74593
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
24401 CALLE DE LA LOUISA, Laguna Hills, CA 92653

Other Identifiers 5

Other00G745930CA · Blue Shield
Medicare ID-Type UnspecifiedWG74593K
Medicare PINBY064XCA
Medicare UPING38376
Medicaid00G745930CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karen L Reuss M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7618866609
PECOS Enrollment IDI20040315001429
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

16

Medicare enrollment records show Karen Reuss reassigns Medicare billing to 16 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
24022 CALLE DE LA PLATA STE 100
Laguna Hills, CA 92653
  • Reassigned Medicare billing, California enrollment
  • 116 clinicians in this Medicare group
Family Medicine
26522 LA ALAMEDA, SUITE 120
Mission Viejo, CA 92691
  • Reassigned Medicare billing, California enrollment
  • 1,699 clinicians in this Medicare group
Radiology
16100 SAND CANYON AVE STE 130
Irvine, CA 92618
  • Reassigned Medicare billing, California enrollment
  • 4 clinicians in this Medicare group
Diagnostic Radiology
1605 AVOCADO AVE
Newport Beach, CA 92660
  • Reassigned Medicare billing, California enrollment
  • 21 clinicians in this Medicare group
Radiology
1605 AVOCADO
Newport Beach, CA 92660
  • Reassigned Medicare billing, California enrollment
  • 10 clinicians in this Medicare group
Diagnostic Radiology
2601 E CHAPMAN AVE
Orange, CA 92869
  • Reassigned Medicare billing, California enrollment
  • 10 clinicians in this Medicare group
Hospitalist
1901 N COLLEGE AVE
Santa Ana, CA 92706
  • Reassigned Medicare billing, California enrollment
  • 204 clinicians in this Medicare group
Diagnostic Radiology
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 202 clinicians in this Medicare group
Vascular & Interventional Radiology
1111 W LA PALMA AVE
Anaheim, CA 92801
  • Reassigned Medicare billing, California enrollment
  • 10 clinicians in this Medicare group
Multi-Specialty
436 N BEDFORD DR, SUITE 105
Beverly Hills, CA 90210
  • Reassigned Medicare billing, California enrollment
  • 10 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 70

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
7,748 services87 patients
Injection, gadobutrol, 0.1 ml A9585
Gadobutrol is a contrast agent used during MRI scans to help provide clearer images. It's injected into your vein before the scan. This helps doctors to see certain areas more clearly for better diagnosis. It's generally safe with few side effects.
3,598 services58 patients
Injection, gadoterate meglumine, 0.1 ml A9575
Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.
2,450 services15 patients
X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
692 services368 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
682 services682 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
665 services665 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92653 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.24/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Radiology: Reminder System for Screening Mammograms
Percentage of patients undergoing a screening mammogram whose information is entered into a reminder system with a target due date for the next mammogram
100%540 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Optometrist
24401 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653
Ophthalmology
24401 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653
Ophthalmology
24401 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653
Clinic/Center
24401 CALLE DE LA LOUISA, STE 300
LAGUNA HILLS, CA 92653
Ophthalmology
24401 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653
Genetic Counselor, MS
24401 CALLE DE LA LOUISA, SUITE 200
LAGUNA HILLS, CA 92653
Hearing Aid Equipment
24401 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653
Radiology (Diagnostic Radiology)
24401 CALLE DE LA LOUISA, STE. 200
LAGUNA HILLS, CA 92653

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Reuss's NPI number?

The NPI number for Karen Reuss is 1336190354. It was assigned to this individual provider in the NPPES registry on May 15, 2006.

Where is Karen Reuss located?

Karen Reuss practices at 24401 Calle De La Louisa Suite #200, Laguna Hills, CA 92653. The listed phone number is (949) 452-7200.

What is Karen Reuss's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Karen Reuss enrolled in Medicare?

Yes. Karen Reuss is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Karen Reuss's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Reuss reassigns Medicare benefits to 16 organizations: Health Diagnostics Of California A Professional Corporation (Laguna Hills, CA), Providence Medical Foundation (Mission Viejo, CA), Cancer Center Imaging Inc. (Irvine, CA), Newport Diagnostic Radiology, Inc (Newport Beach, CA), Newport Diagnostic Center Inc (Newport Beach, CA) and 11 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Reuss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Karen Reuss was last updated on February 28, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.