Active NPI
Charles Owen Gensmer, M.D.
- Pulmonary Disease Physician
- Coon Rapids, MN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pulmonary Disease Physician
- License
- 26057
- Practice address
- 9055 Springbrook Dr NW
Coon Rapids, MN 55433-5841 - Phone
- (763) 780-9155
- NPI assigned
- Jan 25, 2007
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Sleep Medicine (Internal Medicine) Physician | 207RS0012X | 26057 | MN | |
| Pulmonary Disease Physician | 207RP1001X | 26057 | MN | Primary |
| Internal Medicine Physician | 207R00000X | 26057 | MN |
Addresses
Primary practice location
9055 Springbrook Dr NW
Coon Rapids, MN 55433-5841
Mailing address
2925 Chicago Ave
Minneapolis, MN 55407-1321
Phone (612) 262-9000
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 829802500 | Medicaid | MN |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | cgensmer91428@excellian.direct.allina.com | Direct |
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
- Pulmonary Disease
- Education
- University of Minnesota Medical School, 1976
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- Allina Health System
Practice addresses (Care Compare)
440 Elm St E
Annandale, MN 55302-1109
Phone (320) 682-5225
Hospital & facility affiliations
- Mercy Hospital
- Allina Health Faribault Medical Center
- Buffalo Hospital
- Cambridge Medical Center
- Allina United Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 85.6 of 100
- Quality
- 72.5
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 77.07
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Allina Health System | Current | Accepting new patients | |
| Allina Health System | Current | Accepting new patients | |
| St. Francis Regional Medical Center | Current | Accepting new patients | |
| Ehr Renewal | Current | Accepting new patients | |
| Allina Health System | Internal Medicine | Current | Accepting new patients |
| Northstar Sleep Center LLC | Current | Accepting new patients | |
| Allina Health System | Current | Accepting new patients | |
| Allina Health System | Current | Accepting new patients | |
| Allina Health System | Past | Accepting new patients | |
| Allina Health System | Past | Accepting new patients |
Locations
440 Elm St E
Annandale, MN 55302
Phone (320) 682-5225
303 Catlin St
Buffalo, MN 55313
Phone (763) 682-1212
265 Creek Ln S
Jordan, MN 55352
Phone (952) 428-1200
7373 France Ave S
Ste 202
Minneapolis, MN 55435
Phone (952) 835-1311
2925 Chicago Ave
Minneapolis, MN 55407
Phone (612) 262-4813
3960 Coon Rapids Blvd NW
Minneapolis, MN 55433
Phone (763) 236-7337
3960 Coon Rapids Blvd NW
Ste 101
Minneapolis, MN 55433
Phone (763) 236-9236
800 E 28th St
Minneapolis, MN 55407
Phone (612) 863-3547
3800 Coon Rapids Blvd NW
Minneapolis, MN 55433
Phone (763) 452-3955
4570 77th St W
Ste 150
Minneapolis, MN 55435
2215 Park Ave
Minneapolis, MN 55404
Phone (612) 775-8800
4050 Coon Rapids Blvd NW
Minneapolis, MN 55433
Phone (763) 236-6786
9055 Springbrook Dr NW
Minneapolis, MN 55433
Phone (763) 780-9155
2925 Chicago Ave
#10957
Minneapolis, MN 55407
Phone (612) 262-8640
920 E 28th St
Ste 610
Minneapolis, MN 55407
Phone (612) 863-6900
Interoperability endpoints
- charles.gensmer.nss@direct.mlcmsi.nextgenshare.com
- https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
Organizations & group practices 10
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.
-
- Obstetrics & Gynecology Physician
- Buffalo, MN
- NPI 1295272342
-
- Family Medicine Physician
- Annandale, MN
- NPI 1457657249
-
- Sleep Disorder Diagnostic Clinic/Center
- Coon Rapids, MN
- NPI 1124315700
-
- Urgent Care Clinic/Center
- Shakopee, MN
- NPI 1447605514
-
- Family Medicine Physician
- Shoreview, MN
- NPI 1336445071
-
- Rheumatology Physician
- Coon Rapids, MN
- NPI 1952146516
-
- Internal Medicine Physician
- New Ulm, MN
- NPI 1992748966
-
- Customized Equipment (DME)
- New Brighton, MN
- NPI 1043769250
-
- Family Medicine Physician
- Minneapolis, MN
- NPI 1467758813
-
- General Acute Care Hospital
- Minneapolis, MN
- NPI 1760446256
Hospital & facility affiliations 30
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Substance Use Disorder Rehabilitation Hospital Unit
- Cambridge, MN
- NPI 1013194729
-
- Addiction (Substance Use Disorder) Psychologist
- Fridley, MN
- NPI 1083197214
Hospital
-
- Psychiatric Hospital Unit
- Cambridge, MN
- NPI 1104881911
-
- General Acute Care Hospital
- Faribault, MN
- NPI 1154741577
-
- General Acute Care Hospital
- Cambridge, MN
- NPI 1215755400
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- St Paul, MN
- NPI 1265474704
Hospital
-
- Substance Use Disorder Rehabilitation Hospital Unit
- Fridley, MN
- NPI 1285692145
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1169683200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785196800000",
"number": "1356497150",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2925 CHICAGO AVE",
"city": "MINNEAPOLIS",
"state": "MN",
"postal_code": "554071321",
"telephone_number": "612-262-9000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9055 SPRINGBROOK DR NW",
"city": "COON RAPIDS",
"state": "MN",
"postal_code": "554335841",
"telephone_number": "763-780-9155"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GENSMER",
"first_name": "CHARLES",
"middle_name": "OWEN",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-01-25",
"last_updated": "2026-07-28",
"certification_date": "2026-07-28",
"status": "A"
},
"taxonomies": [
{
"code": "207RS0012X",
"taxonomy_group": "",
"desc": "Internal Medicine, Sleep Medicine",
"state": "MN",
"license": "26057",
"primary": false
},
{
"code": "207RP1001X",
"taxonomy_group": "",
"desc": "Internal Medicine, Pulmonary Disease",
"state": "MN",
"license": "26057",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MN",
"license": "26057",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "829802500",
"state": "MN"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "cgensmer91428@excellian.direct.allina.com",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "CDA/PDF/TXT",
"address_1": "4050 Coon Rapids Blvd NW",
"city": "Coon Rapids",
"state": "MN",
"country_code": "US",
"postal_code": "554332522",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Coon Rapids, MN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 28, 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.