Active NPI
John M Kennedy, M.D.
- Hematology & Oncology Physician
- Denver, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- License
- DR.62849
- Practice address
- 2555 S Downing St Ste 240
Denver, CO 80210-5855 - Phone
- (303) 715-7030
- Fax
- (303) 715-7035
- NPI assigned
- Oct 10, 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hematology & Oncology Physician | 207RH0003X | DR.62849 | CO | Primary |
| Hematology & Oncology Physician | 207RH0003X | 025329 | LA |
Addresses
Primary practice location
2555 S Downing St Ste 240
Denver, CO 80210-5855
Mailing address
2555 S Downing St Ste 240
Denver, CO 80210-5855
Phone (303) 715-7030
Other practice location 1
1990 Industrial BLVD.
Houma, LA 70363-7055
Phone (985) 868-9300
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1575780 | Medicaid | LA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WY, VT, CO
- 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
- Internal Medicine
- Education
- Louisiana State University School of Medicine in New Orleans, 1999
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
2350 Meadows Blvd
Castle Rock, CO 80109-8405
Phone (720) 455-0650
2353 Meadows Blvd
Suite 300
Castle Rock, CO 80109-8405
Phone (720) 455-3750
2360 Meadows Blvd
Suite 300
Castle Rock, CO 80109-8405
Phone (303) 715-7106
2525 S Downing St
Denver, CO 80210-5817
2535 D S Downing St
Suite 460
Denver, CO 80210-5817
Phone (303) 744-1065
2535 S Downing St
Denver, CO 80210-5850
Phone (303) 778-5797
2555 S Downing St
240 Aah Cypress Denver
Denver, CO 80210-5855
Phone (303) 715-7030
2555 S Downing St 1St Floor
WHCC WH Cherry Creek
Denver, CO 80210-5855
Phone (303) 316-6677
4350 Limelight Ave
Suite 100
Castle Rock, CO 80109-8034
Phone (720) 455-3775
7700 S Broadway
Littleton, CO 80122-2602
Phone (303) 730-8900
7750 S Broadway
Littleton, CO 80122-2630
Hospital & facility affiliations
- Adventhealth Avista
- Heart of the Rockies Regional Medical Center
- AdventHealth Porter
- AdventHealth Littleton
Merit-based Incentive Payment System (MIPS)
- Final score
- 85.68 of 100
- Quality
- 75.73
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 76.55
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| DR.62849 | CO | MD | Hematology & Oncology Physician |
| 025329 | LA | MD | Hematology & Oncology Physician |
| 042.0014730 | VT | MD | Anatomic Pathology & Clinical Pathology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Portercare Adventist Health System | Current | Accepting new patients | |
| Portercare Adventist Health System | Current | Accepting new patients | |
| Portercare Adventist Health System | Current | Accepting new patients | |
| Ivinson Memorial Hospital | Current | Accepting new patients | |
| Ivinson Memorial Hospital | Current | Accepting new patients | |
| Salida Hospital District | Current | Accepting new patients | |
| Southwestern Vermont Medical Center Inc. | Hematology & Oncology | Current | Accepting new patients |
| Southwestern Vermont Medical Center, Inc | Current | Accepting new patients | |
| Salida Hospital District | Current | Accepting new patients | |
| Southwestern Vermont Medical Center Inc. | Current | Accepting new patients | |
| Portercare Adventist Health System | Past | Accepting new patients | |
| Tri Parish Pet Scans | Past | Accepting new patients |
Locations
2360 Meadows Blvd
Ste 300
Castle Rock, CO 80109
Phone (303) 269-4420
2555 S Downing St
Ste 240
Denver, CO 80210
Phone (303) 715-7030
7750 S Broadway
Ste 100
Littleton, CO 80122
Phone (303) 734-2090
9403 Crown Crest Blvd
Ste 115
Parker, CO 80138
Phone (303) 269-4420
1000 Rush Dr
Salida, CO 81201
Phone (719) 530-2265
100 Hospital Dr
#44
Bennington, VT 05201
Phone (802) 442-4509
140 Hospital Dr
Ste 116
Bennington, VT 05201
Phone (802) 447-1836
255 N 30th St
Laramie, WY 82072
Phone (307) 742-2141
3116 Willett Dr
Laramie, WY 82072
Phone (307) 742-6319
Organizations & group practices 13
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.
-
dba Affiliated Ear, Nose & Throat Physicians
- Otolaryngology Physician
- Greenwood Village, CO
- NPI 1760761928
-
- Rural Health Clinic/Center
- Laramie, WY
- NPI 1033628599
-
- Internal Medicine Physician
- Bennington, VT
- NPI 1184994162
Hematology & Oncology
-
- Internal Medicine Physician
- Salida, CO
- NPI 1972778272
-
dba AdventHealth Medical Group OB Hospitalists at Castle Rock
- Obstetrics & Gynecology Physician
- Castle Rock, CO
- NPI 1881418796
-
dba AdventHealth Medical Group Urology at Lakewood
- Urology Physician
- Lakewood, CO
- NPI 1942165626
-
dba HRRMC Buena Vista Health Center
- Rural Health Clinic/Center
- Buena Vista, CO
- NPI 1427395193
-
dba Heart of the Rockies Regional Medical Center
- Critical Access Hospital
- Salida, CO
- NPI 1730258971
-
- Rural Acute Care Hospital
- Laramie, WY
- NPI 1366626269
-
- General Acute Care Hospital
- Bennington, VT
- NPI 1205865789
-
- General Practice Physician
- Bennington, VT
- NPI 1740682921
-
dba AdventHealth Medical Group OB/GYN at Cornerstar
- Obstetrics & Gynecology Physician
- Aurora, CO
- NPI 1811289366
Hospital & facility affiliations 14
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Westminster, CO
- NPI 1003456534
-
- General Acute Care Hospital
- Westminster, CO
- NPI 1184264798
-
dba Adventhealth Hematology and Oncology Castle Rock
- General Acute Care Hospital
- Castle Rock, CO
- NPI 1215824180
-
dba AdventHealth Sports Med & Rehab Church Ranch
- General Acute Care Hospital
- Westminster, CO
- NPI 1275380610
-
dba AdventHealth Hematology and Oncology Littleton
- General Acute Care Hospital
- Littleton, CO
- NPI 1528608056
-
dba AdventHealth West Littleton ER
- Emergency Care Clinic/Center
- Littleton, CO
- NPI 1548800154
Hospital
-
dba Adventhealth Littleton
- General Acute Care Hospital
- Littleton, CO
- NPI 1689688988
-
dba South Denver Heart Center
- General Acute Care Hospital
- Littleton, CO
- NPI 1720628332
-
dba AdventHealth Hematology and Oncology Parker
- General Acute Care Hospital
- Parker, CO
- NPI 1760022297
-
dba Adventhealth Porter
- General Acute Care Hospital
- Denver, CO
- NPI 1801800594
-
dba AdventHealth Hematology and Oncology Denver
- General Acute Care Hospital
- Denver, CO
- NPI 1821638354
-
dba Adventhealth Avista
- General Acute Care Hospital
- Louisville, CO
- NPI 1891709192
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1160438400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1766534400000",
"number": "1912095787",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2555 S DOWNING ST STE 240",
"city": "DENVER",
"state": "CO",
"postal_code": "802105855",
"telephone_number": "303-715-7030",
"fax_number": "303-715-7035"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2555 S DOWNING ST STE 240",
"city": "DENVER",
"state": "CO",
"postal_code": "802105855",
"telephone_number": "303-715-7030",
"fax_number": "303-715-7035"
}
],
"practiceLocations": [
{
"address_1": "1990 Industrial BLVD.",
"address_purpose": "LOCATION",
"city": "Houma",
"state": "LA",
"postal_code": "703637055",
"country_code": "US",
"telephone_number": "985-868-9300",
"fax_number": "985-851-0053",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KENNEDY",
"first_name": "JOHN",
"middle_name": "M",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-10-10",
"last_updated": "2025-12-24",
"certification_date": "2025-12-24",
"status": "A"
},
"taxonomies": [
{
"code": "207RH0003X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology & Oncology",
"state": "CO",
"license": "DR.62849",
"primary": true
},
{
"code": "207RH0003X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology & Oncology",
"state": "LA",
"license": "025329",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1575780",
"state": "LA"
}
],
"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 Dec 24, 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.