INTERMOUNTAIN MEDICAL GROUP DENVER, LLC
NPI 1790642338
Internal Medicine - Hematology & Oncology in Denver, CO

Active since January 06, 2026
1818 N OGDEN ST STE 200, DENVER, CO 80218(303) 318-3434(303) 318-3431 Get Directions Write a Review

NPPES record last updated: February 10, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Intermountain Medical Group Denver, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

INTERMOUNTAIN MEDICAL GROUP DENVER, LLC (NPI 1790642338), doing business as Intermountain Health Cancer Center - Saint Joseph, is a healthcare organization registered as a hematology & oncology in Denver, Colorado and active in the NPI registry since January 2026. The organization lists Sean Fadden, Vp Finance, as its authorized official.

NPPES Registry Identity

NPI1790642338
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameINTERMOUNTAIN MEDICAL GROUP DENVER, LLC
Location Address1818 N OGDEN ST STE 200Denver, CO 80218-1295
Mailing Address500 Eldorado Blvd Ste 4300Broomfield, CO 80021-3564 · (303) 272-0566 · Fax (303) 272-0390
Fax(303) 318-3431
Organization SubpartYesParent: Intermountain Front Range, Inc.
Authorized OfficialSean FaddenVp Finance · (303) 425-2410
Enumeration DateJanuary 6, 2026
Last NPPES UpdateFebruary 10, 2026
NPPES CertifiedFebruary 10, 2026
✔ NPI 1790642338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X
1818 N OGDEN ST STE 200, Denver, CO 80218

Other Names 1

Doing Business AsIntermountain Health Cancer Center - Saint Joseph

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Intermountain Medical Group Denver, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

1,267

Medicare enrollment records show 1,267 clinicians reassign Medicare billing to Intermountain Medical Group Denver, LLC, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 550 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 46

Physical Therapist in Private Practice428
Nurse Practitioner134
Family Practice115
Internal Medicine81
Obstetrics/Gynecology67
Emergency Medicine55
Hospitalist51
Cardiovascular Disease (Cardiology)40
38 other specialties296

Nearest to this location (20)

See all 1,267
Hematology/Oncology
NPI 1841454048
1818 N OGDEN ST STE 200
Denver, CO 80218
(303) 318-3434
✔ PECOS✔ Accepts MedicareSame address
Cardiac Surgery
NPI 1598916405
1818 N OGDEN ST STE 400
Denver, CO 80218
(303) 318-2440
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1558107136
1818 N OGDEN ST STE 400
Denver, CO 80218
(303) 381-1991
✔ PECOS✔ Accepts MedicareSame address
Surgical Oncology
NPI 1174763031
1818 N OGDEN ST STE 200
Denver, CO 80218
(303) 318-3464
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1649619008
1818 N OGDEN ST STE 400
Denver, CO 80218
(303) 318-2455
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1497874051
1960 OGDEN ST STE 460
Denver, CO 80218
(303) 318-2500
✔ PECOS✔ Accepts Medicare0.1 mi
Registered Dietitian or Nutrition Professional
NPI 1235832411
1960 N OGDEN ST STE 550
Denver, CO 80218
(303) 318-3240
✔ Accepts Medicare0.1 mi
Internal Medicine
NPI 1467038208
1960 N OGDEN ST STE 400
Denver, CO 80218
(303) 318-1540
✔ PECOS✔ Accepts Medicare0.1 mi
Family Practice
NPI 1144806092
1960 N OGDEN ST STE 460
Denver, CO 80218
(303) 318-2500
✔ PECOS✔ Accepts Medicare0.1 mi
Hospitalist
NPI 1013200872
835 E 18TH AVE STE 110
Denver, CO 80218
(303) 825-4646
✔ PECOS✔ Accepts Medicare0.1 mi
Emergency Medicine
NPI 1508061680
835 E 18TH AVE STE 110
Denver, CO 80218
(303) 825-4646
✔ PECOS✔ Accepts Medicare0.1 mi
Certified Nurse Midwife (CNM)
NPI 1811924079
1960 OGDEN ST STE 320
Denver, CO 80218
(303) 318-2620
✔ PECOS0.1 mi
Obstetrics/Gynecology
NPI 1275574329
1960 OGDEN ST STE 520
Denver, CO 80218
(303) 318-3220
✔ PECOS✔ Accepts Medicare0.1 mi
Endocrinology
NPI 1124600150
1960 N OGDEN ST STE 120A
Denver, CO 80218
(303) 403-7933
✔ PECOS✔ Accepts Medicare0.1 mi
Medical Oncology
NPI 1598706186
1825 MARION ST
Denver, CO 80218
(303) 318-3434
✔ PECOS0.1 mi
Thoracic Surgery
NPI 1982600037
1960 OGDEN ST SUITE 540
Denver, CO 80218
(303) 318-2440
✔ PECOS0.1 mi
Interventional Cardiology
NPI 1336460872
1960 N OGDEN ST STE 110
Denver, CO 80218
(303) 318-2460
✔ PECOS✔ Accepts Medicare0.1 mi
Clinical Social Worker
NPI 1285316331
1960 N OGDEN ST STE 550
Denver, CO 80218
(303) 318-3240
✔ PECOS✔ Accepts Medicare0.1 mi
Pediatric Medicine
NPI 1073956033
1375 E 19TH AVE
Denver, CO 80218
(303) 338-4545
✔ PECOS0.2 mi
Radiation Oncology
NPI 1689720260
1375 E 19TH AVE
Denver, CO 80218
(303) 338-4545
✔ PECOS✔ Accepts Medicare0.2 mi
See all 1,267 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Intermountain Medical Group Denver, LLC's NPI number?

The NPI number for Intermountain Medical Group Denver, LLC is 1790642338. It was assigned to this organization in the NPPES registry on January 6, 2026. The provider is doing business as Intermountain Health Cancer Center - Saint Joseph.

Where is Intermountain Medical Group Denver, LLC located?

Intermountain Medical Group Denver, LLC is located at 1818 N Ogden St Ste 200, Denver, CO 80218. The listed phone number is (303) 318-3434.

What is Intermountain Medical Group Denver, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Intermountain Medical Group Denver, LLC enrolled in Medicare?

Yes. Intermountain Medical Group Denver, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Intermountain Medical Group Denver, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1,267 clinicians in 46 Medicare specialties reassign their Medicare billing to Intermountain Medical Group Denver, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Physical Therapist in Private Practice (428), Nurse Practitioner (134) and Family Practice (115). Of these, 5 practice at this address and 550 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Intermountain Medical Group Denver, LLC was last updated on February 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.