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DR. KAREN STARK CALDEMEYER MD
NPI 1679511356
Radiology - Diagnostic Radiology in Edina, MN

Active since June 03, 2006PECOS EnrolledAccepts Medicare Assignment
3600 MINNESOTA DR STE 800, EDINA, MN 55435(952) 595-1301(612) 294-4903 Get Directions Write a Review

NPPES record last updated: January 15, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 8, 2021, Jan 29, 2019, Sep 5, 2018 (3 updates tracked since 2018).

About Dr. Karen Stark Caldemeyer Md NPPES

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

DR. KAREN STARK CALDEMEYER MD (NPI 1679511356) is an individual diagnostic radiology provider in Edina, Minnesota, licensed in Arizona (37417) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with St Lukes Regional Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1679511356
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameDR. KAREN STARK CALDEMEYERCredential: MD
Location Address3600 MINNESOTA DR STE 800Edina, MN 55435-7915
Mailing Address3600 Minnesota Dr Ste 800Edina, MN 55435-7915 · (952) 595-1301 · Fax (612) 294-4903
Phone(952) 595-1301
Fax(612) 294-4903
Sole ProprietorNo
Medical School CMSIndiana University School Of MedicineGraduated 1988
Enumeration DateJune 3, 2006
Last NPPES UpdateJanuary 15, 20253 updates tracked since enumeration
NPPES CertifiedJanuary 15, 2025
✔ NPI 1679511356 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in AZ · 37417✔ Licensed in VT · 042-0011450✔ Licensed in IN · 01039349
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
3600 MINNESOTA DR STE 800, Edina, MN 55435
Open in Google Maps ↗

Other Names 1

Former Name (1)Karen Sue Stark

Secondary Practice Locations 2

Location 139000 Bob Hope DrRancho Mirage, CA 92270-3221 · Phone (760) 340-9311
Location 21528 Central AveIndianapolis, IN 46202 · Phone (952) 595-1100 · Fax (612) 294-4903

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Blue Cross Blue Shield of Arizona, Blue Cross Blue Shield of North Dakota and more.Insurance ›

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

Dr. Karen Stark Caldemeyer Md 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 ID9931003506
PECOS Enrollment IDI20031125000235, I20130726000311, I20190216000116
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

38

Medicare enrollment records show Karen Caldemeyer reassigns Medicare billing to 38 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Virtual Radiologic Professionals, LLC
Same address
Diagnostic Radiology
3600 MINNESOTA DR STE 800
Edina, MN 55435
  • Reassigned Medicare billing, Arizona and Indiana enrollments
  • 28 clinicians in this Medicare group
NPI 1932342029 (952) 595-1301
Mille Lacs Health System
85 mi
Critical Access
200 ELM ST N
Onamia, MN 56359
  • Reassigned Medicare billing, Minnesota enrollment
  • 145 clinicians in this Medicare group
NPI 1548212699 (320) 532-3154
Lakewood Health System
124 mi
Critical Access
49725 COUNTY 83
Staples, MN 56479
  • Reassigned Medicare billing, Minnesota enrollment
  • 179 clinicians in this Medicare group
NPI 1295726362 (218) 894-1515
County Of Murray
135 mi
Critical Access
2042 JUNIPER AVE
Slayton, MN 56172
  • Reassigned Medicare billing, Minnesota enrollment
  • 87 clinicians in this Medicare group
NPI 1053497214 (507) 836-1277
Radiologists Associated In Duluth Ltd
177 mi
Diagnostic Radiology
750 E 34TH ST
Hibbing, MN 55746
  • Reassigned Medicare billing, Arizona enrollment
  • 4 clinicians in this Medicare group
NPI 1598722688 (218) 262-4881
Radiology Associates Of The Fox Valley, Sc
245 mi
Diagnostic Radiology
333 N COMMERCIAL ST
Neenah, WI 54956
  • Reassigned Medicare billing, Arizona enrollment
  • 6 clinicians in this Medicare group
NPI 1477539443 (920) 722-1583
Beloit Radiology Ltd
269 mi
Diagnostic Radiology
1969 W HART RD
Beloit, WI 53511
  • Reassigned Medicare billing, Arizona enrollment
  • 7 clinicians in this Medicare group
NPI 1386661734 (608) 364-5269
Remlo
334 mi
Diagnostic Radiology
525 E GRANT ST
Macomb, IL 61455
  • Reassigned Medicare billing, Arizona enrollment
  • 5 clinicians in this Medicare group
NPI 1063543791 (309) 833-4101
West River Health Services
459 mi
Land Transport
1000 HIGHWAY 12
Hettinger, ND 58639
  • Reassigned Medicare billing, North Dakota enrollment
  • 74 clinicians in this Medicare group
NPI 1518089499 (701) 567-4561
Radiology Associates Of Muncie, Inc.
559 mi
Diagnostic Radiology
411 W TIPTON ST
Seymour, IN 47274
  • Reassigned Medicare billing, Arizona enrollment
  • 5 clinicians in this Medicare group
NPI 1306883251 (812) 522-2349

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 20

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.

Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
721 services708 patients
Ct scan of upper spine without contrast 72125
A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.
211 services211 patients
Ct scan of blood vessels of head with contrast 70496
A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.
194 services194 patients
Ct scan of blood vessels of neck with contrast 70498
A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.
189 services189 patients
Mri scan of brain without contrast 70551
An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.
168 services165 patients
Mri scan of brain before and after contrast 70553
An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.
85 services83 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Lukes Regional Medical Center

Acute Care Hospitals · Sioux City, IA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160146
Location2720 Stone Park BoulevardSioux City, IA 51104 · Woodbury County
Emergency services Birthing friendly

University Of MD Shore Medical Center At Easton

Acute Care Hospitals · Easton, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210037
Location219 South Washington StreetEaston, MD 21601 · Talbot County
Emergency services

Merit Health Natchez

Acute Care Hospitals · Natchez, MS
2/5 CMS rating
OwnershipProprietary
CMS Certification Number250084
Location52 Sergeant Prentiss DriveNatchez, MS 39120 · Adams County
Emergency services Birthing friendly

Cox Medical Centers

Acute Care Hospitals · Springfield, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260040
Location3801 South National AvenueSpringfield, MO 65807 · Greene County
Emergency services Birthing friendly

Self Regional Healthcare

Acute Care Hospitals · Greenwood, SC
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420071
Location1325 Spring StreetGreenwood, SC 29646 · Greenwood County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55435 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
$85.82 typical visit price
range $56.00 – $168.28
Typical copayment $21.45 (range $14.00 – $42.07)
Most-billed visit code 99203
Established Patient
$69.74 typical visit price
range $18.32 – $138.04
Typical copayment $17.43 (range $4.58 – $34.51)
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.

Other Providers at the Same Location NPPES 20

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

CHRISTOPHER CALIXTE MD
Radiology (Diagnostic Radiology)
3600 MINNESOTA DR STE 800
EDINA, MN 55435
Hennepin County (952) 595-1100
PAUL D GUISLER MD
Radiology (Diagnostic Radiology)
3600 MINNESOTA DR STE 800
EDINA, MN 55435
Hennepin County (952) 595-1301
KRISHNA VAIDYANATHAN IYER M.D.
Radiology (Vascular & Interventional Radiology)
3600 MINNESOTA DR STE 800
EDINA, MN 55435
Hennepin County (952) 595-1100
RATI NARENDRA PATEL MD
Radiology (Diagnostic Radiology)
3600 MINNESOTA DR STE 800
EDINA, MN 55435
Hennepin County (952) 595-1301
SUSANNE S. KIM M.D.
Radiology (Diagnostic Radiology)
3600 MINNESOTA DR STE 800
EDINA, MN 55435
Hennepin County (952) 595-1301
GWENDOLYN DURGIN MD
Radiology (Diagnostic Radiology)
3600 MINNESOTA DR STE 800
EDINA, MN 55435
Hennepin County (952) 595-1301
ROBERT L EDWARDS M.D.
Radiology (Diagnostic Radiology)
3600 MINNESOTA DR STE 800
EDINA, MN 55435
Hennepin County (952) 595-1100
STEPHEN GEORGE FOX M.D.
Radiology (Diagnostic Radiology)
3600 MINNESOTA DR STE 800
EDINA, MN 55435
Hennepin County (952) 595-1100

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 Caldemeyer's NPI number?

The NPI number for Karen Caldemeyer is 1679511356. It was assigned to this individual provider in the NPPES registry on June 3, 2006. The provider is also known as Karen Sue Stark.

Where is Karen Caldemeyer located?

Karen Caldemeyer practices at 3600 Minnesota Dr Ste 800, Edina, MN 55435. The listed phone number is (952) 595-1301.

What is Karen Caldemeyer's specialty?

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

Is Karen Caldemeyer enrolled in Medicare?

Yes. Karen Caldemeyer 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 Caldemeyer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Caldemeyer reassigns Medicare benefits to 38 organizations: Virtual Radiologic Professionals, LLC (Edina, MN), Mille Lacs Health System (Onamia, MN), Lakewood Health System (Staples, MN), County Of Murray (Slayton, MN), Radiologists Associated In Duluth Ltd (Hibbing, MN) and 33 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 Caldemeyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Caldemeyer accept?

Health plans from Blue Cross Blue Shield of Arizona, Blue Cross Blue Shield of North Dakota, Blue Cross and Blue Shield of Texas, BlueCross BlueShield of South Carolina and CareSource and 9 other insurers list Karen Caldemeyer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Karen Caldemeyer affiliated with any hospitals?

According to CMS data, Karen Caldemeyer is affiliated with St Lukes Regional Medical Center, University Of MD Shore Medical Center At Easton, Merit Health Natchez, Cox Medical Centers and Self Regional Healthcare.

When was this NPI record last updated?

The NPPES record for Karen Caldemeyer was last updated on January 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.