Active NPI
Martin Krsak, M.D.
- Infectious Disease Physician
- Denver, CO
National Provider Identifier
1891958781
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Infectious Disease Physician
- License
- DR.0058485
- Practice address
- 5384 Uinta St
Denver, CO 80238-3825 - Phone
- (303) 564-5110
- NPI assigned
- Jul 9, 2008
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | DR.0058485 | CO | |
| Addiction Medicine (Internal Medicine) Physician | 207RA0401X | DR.0058485 | CO | |
| Infectious Disease Physician | 207RI0200X | DR.0058485 | CO | Primary |
Addresses
Primary practice location
5384 Uinta St
Denver, CO 80238-3825
Mailing address
5384 Uinta St
Denver, CO 80238-3825
Phone (303) 564-5110
Other practice location 1
895 S Logan St
Denver, CO 80209-4127
Phone (303) 733-6148
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: Yes
- Hospice: No
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1215561600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787097600000",
"number": "1891958781",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5384 UINTA ST",
"city": "DENVER",
"state": "CO",
"postal_code": "802383825",
"telephone_number": "303-564-5110"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5384 UINTA ST",
"city": "DENVER",
"state": "CO",
"postal_code": "802383825",
"telephone_number": "303-564-5110"
}
],
"practiceLocations": [
{
"address_1": "895 S Logan St",
"address_purpose": "LOCATION",
"city": "Denver",
"state": "CO",
"postal_code": "802094127",
"country_code": "US",
"telephone_number": "303-733-6148",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KRSAK",
"first_name": "MARTIN",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2008-07-09",
"last_updated": "2026-08-19",
"certification_date": "2026-08-19",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CO",
"license": "DR.0058485",
"primary": false
},
{
"code": "207RA0401X",
"taxonomy_group": "",
"desc": "Internal Medicine, Addiction Medicine",
"state": "CO",
"license": "DR.0058485",
"primary": false
},
{
"code": "207RI0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Infectious Disease",
"state": "CO",
"license": "DR.0058485",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"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 Aug 19, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.