Active NPI
Lynn L Rooney, MD
- Internal Medicine Physician
- Denver, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 40980
- Practice address
- 1375 E 20TH Ave
Denver, CO 80205-5423 - Phone
- (303) 338-4545
- Fax
- (303) 861-3668
- NPI assigned
- Mar 9, 2006
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 40980 | CO | Primary |
Addresses
Primary practice location
1375 E 20TH Ave
Denver, CO 80205-5423
Mailing address
10350 E Dakota Ave
Denver, CO 80247-1314
Phone (303) 338-3382
Other practice location 1
5017 W 64th Ave
Arvada, CO 80003-6529
Phone (303) 970-2334
Other practice location 2
4100 E Mississippi Ave Ste 110
Glendale, CO 80246-3051
Phone (303) 552-9522
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 09128735 | Medicaid | CO | |
| 020251 | Other | CO | KAISER COMMERCIAL NUMBER |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| SOAP URL | https://careepiceast.kp.org:14430/Interconnect-prodcom/wcf/epic.community.hie/xcpdrespondinggateway | Health Information Exchange (HIE) |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CO
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20090406000444 | CO | Practitioner - Internal Medicine | 2062569239 | Reassigns benefits to 2 organizations |
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- University of Washington School of Medicine, 2000
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Iora Health Colorado, P.C.
Practice addresses (Care Compare)
8175 Sheridan Blvd
Unit N
Arvada, CO 80003-1928
Phone (303) 557-0855
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 40980 | CO | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Iora Health Colorado, P.C. | Internal Medicine | Current | Accepting new patients |
| Iora Health Colorado, P.C. | Internal Medicine | Current | Accepting new patients |
| Iora Health Colorado, P.C. | Internal Medicine | Current | Accepting new patients |
| Iora Senior Health, LLC | Internal Medicine | Current | Accepting new patients |
Locations
1 Embarcadero Ctr
Fl 19
San Francisco, CA 94111
Phone (415) 814-0927
8175 Sheridan Blvd
Unit N
Arvada, CO 80003
Phone (303) 557-0855
1080 S Sable Blvd
Unit 18
Aurora, CO 80012
Phone (303) 552-9577
4100 E Mississippi Ave
Ste 110
Glendale, CO 80246
Phone (303) 552-9522
101 Tremont St
Fl 6
Boston, MA 02108
Organizations & group practices 4
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.
-
- Internal Medicine Physician
- Aurora, CO
- NPI 1568991511
CO, Internal Medicine
-
- Internal Medicine Physician
- Glendale, CO
- NPI 1366827024
CO, Internal Medicine
-
- Internal Medicine Physician
- Lakewood, CO
- NPI 1346750841
Internal Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1141862400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784764800000",
"number": "1023086733",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "10350 E DAKOTA AVE",
"city": "DENVER",
"state": "CO",
"postal_code": "802471314",
"telephone_number": "303-338-3382"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1375 E 20TH AVE",
"city": "DENVER",
"state": "CO",
"postal_code": "802055423",
"telephone_number": "303-338-4545",
"fax_number": "303-861-3668"
}
],
"practiceLocations": [
{
"address_1": "5017 W 64th Ave",
"address_purpose": "LOCATION",
"city": "Arvada",
"state": "CO",
"postal_code": "800036529",
"country_code": "US",
"telephone_number": "303-970-2334",
"fax_number": "855-576-4092",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "4100 E Mississippi Ave Ste 110",
"address_purpose": "LOCATION",
"city": "Glendale",
"state": "CO",
"postal_code": "802463051",
"country_code": "US",
"telephone_number": "303-552-9522",
"fax_number": "415-252-7176",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ROONEY",
"first_name": "LYNN",
"middle_name": "L",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-03-09",
"last_updated": "2026-07-23",
"certification_date": "2026-07-23",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CO",
"license": "40980",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "09128735",
"state": "CO"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "KAISER COMMERCIAL NUMBER",
"identifier": "020251",
"state": "CO"
}
],
"endpoints": [
{
"endpointType": "SOAP",
"endpointTypeDescription": "SOAP URL",
"endpoint": "https://careepiceast.kp.org:14430/Interconnect-prodcom/wcf/epic.community.hie/xcpdrespondinggateway",
"affiliation": "N",
"endpointDescription": "Carequality",
"use": "HIE",
"useDescription": "Health Information Exchange (HIE)",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "C-CDA",
"address_1": "1375 E 20th Ave",
"city": "Denver",
"state": "CO",
"country_code": "US",
"postal_code": "802055423",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Denver, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 23, 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.