Active NPI
Richard G Karlen, MD
- Otolaryngology Physician
- Woodbury, MN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Otolaryngology Physician
- License
- 37403
- Practice address
- 217 Radio Dr
Woodbury, MN 55125-5805 - Phone
- (651) 702-0750
- Fax
- (651) 645-6166
- NPI assigned
- Jun 22, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 6
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Otolaryngology Physician | 207Y00000X | 44546-20 | WI | |
| Pediatric Otolaryngology Physician | 207YP0228X | 37403 | MN | |
| Pediatric Otolaryngology Physician | 207YP0228X | 44546-20 | WI | |
| Pediatric Surgery Physician | 2086S0120X | 37403 | MN | |
| Pediatric Surgery Physician | 2086S0120X | 44546-20 | WI | |
| Otolaryngology Physician | 207Y00000X | 37403 | MN | Primary |
Addresses
Primary practice location
217 Radio Dr
Woodbury, MN 55125-5805
Mailing address
215 Radio Dr Ste 202
Woodbury, MN 55125-5822
Phone (651) 702-0750
Other practice location 1
3590 Arcade St
Vadnais Heights, MN 55127-7135
Phone (651) 702-0750
Other practice location 2
3460 Promenade Ave
Eagan, MN 55123-4404
Phone (651) 702-0750
Other practice location 3
2651 Hillcrest Dr Ste 302
Hudson, WI 54016-9919
Phone (651) 702-0750
Other practice location 4
11020 161st Street West
Lakeville, MN 55044
Phone (651) 702-0750
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 998520400 | Medicaid | MN |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MN
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Otolaryngology
- Education
- University of Minnesota Medical School, 1992
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3590 Arcade St
Vadnais Heights, MN 55127-7135
Phone (651) 702-0750
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 37403 | MN | MD | Pediatric Otolaryngology Physician |
| 44546-20 | WI | MD | Pediatric Surgery Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Midwest Ancillary Services, Inc | Current | Accepting new patients |
Locations
3460 Promenade Ave
Eagan, MN 55123
11020 161st St W
Lakeville, MN 55044
3590 Arcade St
Vadnais Heights, MN 55127
215 Radio Dr
Ste 202
Woodbury, MN 55125
Phone (651) 867-9007
2080 Woodwinds Dr
Ste 240
Woodbury, MN 55125
217 Radio Dr
Woodbury, MN 55125
2651 Hillcrest Dr
Ste 302
Hudson, WI 54016
Phone (651) 241-5290
Organizations & group practices 2
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.
-
- Otolaryngology Physician
- Woodbury, MN
- NPI 1821195959
-
- Hearing Aid Equipment
- Woodbury, MN
- NPI 1588754584
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1150934400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1763596800000",
"number": "1013953371",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "215 RADIO DR STE 202",
"city": "WOODBURY",
"state": "MN",
"postal_code": "551255822",
"telephone_number": "651-702-0750",
"fax_number": "651-645-6166"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "217 RADIO DR",
"city": "WOODBURY",
"state": "MN",
"postal_code": "551255805",
"telephone_number": "651-702-0750",
"fax_number": "651-645-6166"
}
],
"practiceLocations": [
{
"address_1": "3590 Arcade St",
"address_purpose": "LOCATION",
"city": "Vadnais Heights",
"state": "MN",
"postal_code": "551277135",
"country_code": "US",
"telephone_number": "651-702-0750",
"fax_number": "651-501-5321",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "3460 Promenade Ave",
"address_purpose": "LOCATION",
"city": "Eagan",
"state": "MN",
"postal_code": "551234404",
"country_code": "US",
"telephone_number": "651-702-0750",
"fax_number": "651-501-5321",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2651 Hillcrest Dr Ste 302",
"address_purpose": "LOCATION",
"city": "Hudson",
"state": "WI",
"postal_code": "540169919",
"country_code": "US",
"telephone_number": "651-702-0750",
"fax_number": "651-645-6166",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "11020 161st Street West",
"address_purpose": "LOCATION",
"city": "Lakeville",
"state": "MN",
"postal_code": "55044",
"country_code": "US",
"telephone_number": "651-702-0750",
"fax_number": "651-645-6166",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KARLEN",
"first_name": "RICHARD",
"middle_name": "G",
"name_prefix": "Mr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-22",
"last_updated": "2025-11-20",
"certification_date": "2025-11-20",
"status": "A"
},
"taxonomies": [
{
"code": "207Y00000X",
"taxonomy_group": "",
"desc": "Otolaryngology",
"state": "WI",
"license": "44546-20",
"primary": false
},
{
"code": "207YP0228X",
"taxonomy_group": "",
"desc": "Otolaryngology, Pediatric Otolaryngology",
"state": "MN",
"license": "37403",
"primary": false
},
{
"code": "207YP0228X",
"taxonomy_group": "",
"desc": "Otolaryngology, Pediatric Otolaryngology",
"state": "WI",
"license": "44546-20",
"primary": false
},
{
"code": "2086S0120X",
"taxonomy_group": "",
"desc": "Surgery, Pediatric Surgery",
"state": "MN",
"license": "37403",
"primary": false
},
{
"code": "2086S0120X",
"taxonomy_group": "",
"desc": "Surgery, Pediatric Surgery",
"state": "WI",
"license": "44546-20",
"primary": false
},
{
"code": "207Y00000X",
"taxonomy_group": "",
"desc": "Otolaryngology",
"state": "MN",
"license": "37403",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "998520400",
"state": "MN"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Woodbury, MN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 20, 2025; 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.