Active NPI
Karen M. Thomson, MD
- Anesthesiology Physician
- Iowa City, IA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- 13571-320
- Practice address
- 200 Hawkins Dr
Iowa City, IA 52242-1009 - Phone
- (319) 356-2320
- Fax
- (319) 384-6265
- NPI assigned
- Oct 13, 2006
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | U5040 | TX | |
| Pediatric Anesthesiology Physician | 207LP3000X | MD035800 | DC | |
| Anesthesiology Physician | 207L00000X | MD-55002 | IA | |
| Anesthesiology Physician | 207L00000X | 13571-320 | WI | Primary |
| Pediatric Anesthesiology Physician | 207LP3000X | MD-55002 | IA |
Addresses
Primary practice location
200 Hawkins Dr
Iowa City, IA 52242-1009
Mailing address
4913 Falstone Ave
Chevy Chase, MD 20815-5539
Other practice location 1
701 W Forevergreen Rd
North Liberty, IA 52317-9848
Phone (319) 384-6265
Other practice location 2
111 Michigan Ave NW
Washington, DC 20010-2978
Phone (202) 884-2025
Other practice location 3
12222 Merit Dr Ste 600
Dallas, TX 75251-3294
Phone (972) 715-5000
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in DC, TX, LA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- Texas a & M University System, HSC, College of Medicine, 1999
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
111 Michigan Ave NW
Washington, DC 20010-2916
Phone (301) 572-3514
1514 Jefferson Hwy
New Orleans, LA 70121-2429
Phone (504) 842-3000
Merit-based Incentive Payment System (MIPS)
- Final score
- 88.94 of 100
- Quality
- 91.31
- Improvement activities
- 40
- Cost
- 79.05
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD-55002 | IA | MD | Anesthesiology Physician |
| MD035800 | DC | MD | Pediatric Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Children'S Hospital | Current | Accepting new patients | |
| State University of Iowa | Current | Accepting new patients | |
| Children'S Hospital | Current | Accepting new patients | |
| University of Wisconsin Medical Foundation, Inc | Current | Accepting new patients | |
| University of Wisconsin Medical Foundation, Inc | Current | Accepting new patients | |
| Children'S Hospital | Current | Accepting new patients | |
| U. S. Anesthesia Partners of Texas, P.a., | Anesthesiology | Current | Accepting new patients |
| U S Anesthesia Partners of Texas, PA | Anesthesiology | Current | Accepting new patients |
Locations
111 Michigan Ave NW
Washington, DC 20010
Phone (202) 476-3670
200 Hawkins Dr
#H
Iowa City, IA 52242
Phone (319) 356-1616
200 Hawkins Dr
Iowa City, IA 52242
Phone (319) 356-1616
701 W Forevergreen Rd
North Liberty, IA 52317
Phone (319) 356-2223
4900 Mueller Blvd
Austin, TX 78723
Phone (512) 324-0165
12222 Merit Dr
Ste 600
Dallas, TX 75251
Phone (972) 361-1844
100 Medical Dr
Lake Jackson, TX 77566
Phone (713) 496-7555
600 Highland Ave
Madison, WI 53792
Phone (608) 263-0325
7974 Uw Health Ct
Middleton, WI 53562
Phone (608) 829-5270
Organizations & group practices 9
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Children's Hospital
- Washington, DC
- NPI 1912939703
-
- General Practice Physician
- New Orleans, LA
- NPI 1538151428
-
- Anesthesiology Physician
- Houston, TX
- NPI 1548208564
-
- Family Medicine Physician
- Iowa City, IA
- NPI 1477554814
-
- Community/Retail Pharmacy
- Silver Spring, MD
- NPI 1326878349
-
- Pediatrics Physician
- Washington, DC
- NPI 1780800128
-
- Interventional Pain Medicine Physician
- Addison, TX
- NPI 1053800391
Anesthesiology
-
- Health Educator
- Madison, WI
- NPI 1487414082
-
- Multi-Specialty Clinic/Center
- Middleton, WI
- NPI 1598784555
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1160697600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1774828800000",
"number": "1447340997",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4913 FALSTONE AVE",
"city": "CHEVY CHASE",
"state": "MD",
"postal_code": "208155539"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "200 HAWKINS DR",
"city": "IOWA CITY",
"state": "IA",
"postal_code": "522421009",
"telephone_number": "319-356-2320",
"fax_number": "319-384-6265"
}
],
"practiceLocations": [
{
"address_1": "701 W Forevergreen Rd",
"address_purpose": "LOCATION",
"city": "North Liberty",
"state": "IA",
"postal_code": "523179848",
"country_code": "US",
"telephone_number": "319-384-6265",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "111 Michigan Ave NW",
"address_purpose": "LOCATION",
"city": "Washington",
"state": "DC",
"postal_code": "200102978",
"country_code": "US",
"telephone_number": "202-884-2025",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "12222 Merit Dr Ste 600",
"address_purpose": "LOCATION",
"city": "Dallas",
"state": "TX",
"postal_code": "752513294",
"country_code": "US",
"telephone_number": "972-715-5000",
"fax_number": "972-715-9976",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "THOMSON",
"first_name": "KAREN",
"middle_name": "M.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2006-10-13",
"last_updated": "2026-03-30",
"certification_date": "2026-03-30",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "TX",
"license": "U5040",
"primary": false
},
{
"code": "207LP3000X",
"taxonomy_group": "",
"desc": "Anesthesiology, Pediatric Anesthesiology",
"state": "DC",
"license": "MD035800",
"primary": false
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "IA",
"license": "MD-55002",
"primary": false
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "WI",
"license": "13571-320",
"primary": true
},
{
"code": "207LP3000X",
"taxonomy_group": "",
"desc": "Anesthesiology, Pediatric Anesthesiology",
"state": "IA",
"license": "MD-55002",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Iowa City, IA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.