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PORTERCARE ADVENTIST HEALTH SYSTEM
NPI 1447372693
Internal Medicine - Hematology & Oncology in Littleton, CO

Active since April 06, 2007
7750 S BROADWAY STE 100, LITTLETON, CO 80122(303) 734-2090(303) 734-2095 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 12, 2026, Apr 28, 2022, Sep 16, 2020 and 1 more (4 updates tracked since 2020).

About Portercare Adventist Health System NPPES

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

PORTERCARE ADVENTIST HEALTH SYSTEM (NPI 1447372693), doing business as Adventhealth Hematology And Oncology Littleton, is a healthcare organization registered as a hematology & oncology in Littleton, Colorado and active in the NPI registry since April 2007. The organization lists Jason Tacha, Coo, as its authorized official.

NPPES Registry Identity

NPI1447372693
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NamePORTERCARE ADVENTIST HEALTH SYSTEM
Location Address7750 S BROADWAY STE 100Littleton, CO 80122-2630
Mailing AddressPo Box 713425Chicago, IL 60677-4325 · (800) 953-0104 · Fax (303) 765-6670
Phone(303) 734-2090
Fax(303) 734-2095
Organization SubpartNo
Authorized OfficialJason TachaCoo · (303) 304-7752
Enumeration DateApril 6, 2007
Last NPPES UpdateAugust 12, 20264 updates tracked since enumeration
NPPES CertifiedAugust 12, 2026
✔ NPI 1447372693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.
7750 S BROADWAY STE 100, Littleton, CO 80122
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Other Names 2

Doing Business AsAdventhealth Hematology And Oncology Littleton
Other NameMile High Oncology

Other Identifiers 1

Medicaid27954773CO

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)

Portercare Adventist Health System is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

733

Medicare enrollment records show 733 clinicians reassign Medicare billing to Portercare Adventist Health System, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 317 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 45

Nurse Practitioner159
Family Practice83
Internal Medicine77
Obstetrics/Gynecology69
Hospitalist47
Orthopedic Surgery36
Gastroenterology25
Mental Health Counselor20
37 other specialties217

Nearest to this location (20)

See all 733
Dean Elhag, MD
Hematology/Oncology
NPI 1174029052
7750 S BROADWAY STE 100
Littleton, CO 80122
(303) 734-2090
✔ PECOS✔ Accepts MedicareSame address
Lovie Bey, M.D.
Hematology/Oncology
NPI 1467414615
7750 S BROADWAY STE 100
Littleton, CO 80122
(303) 734-2090
✔ PECOS✔ Accepts MedicareSame address
Taylor Burgart, DNP
Nurse Practitioner
NPI 1801666938
7750 S BROADWAY STE 100
Littleton, CO 80122
(303) 734-2090
✔ PECOS✔ Accepts MedicareSame address
Elizabeth Manthey, NP
Nurse Practitioner
NPI 1396349536
7750 S BROADWAY STE 100
Littleton, CO 80122
(303) 734-2090
✔ PECOS✔ Accepts MedicareSame address
David Vansickle, M.D.
Neurosurgery
NPI 1639216997
7750 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Michael Coady, MD
Thoracic Surgery
NPI 1427094267
7780 S BROADWAY STE 170
Littleton, CO 80122
(303) 269-2920
✔ PECOS✔ Accepts MedicareSame address
Kevin Miller, M.D.
Thoracic Surgery
NPI 1679579551
7780 S BROADWAY STE 170
Littleton, CO 80122
(303) 269-2920
✔ PECOS✔ Accepts MedicareSame address
Richard Adamson, FNP
Nurse Practitioner
NPI 1760806673
7780 S BROADWAY
Littleton, CO 80122
(303) 730-8900
✔ PECOS✔ Accepts MedicareSame address
Angela Bohnen, MD
Neurosurgery
NPI 1811289523
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Abhijeet Gummadavelli, MD
Neurosurgery
NPI 1295113405
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Jamie Henry, NP
Nurse Practitioner
NPI 1104295104
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Catherine Mcgraw, NP
Nurse Practitioner
NPI 1548425499
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Erasmus Morfe, D.O.
Physical Medicine and Rehabilitation
NPI 1467545137
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 996-1260
✔ PECOS✔ Accepts MedicareSame address
Jason Peragine, M.D.
Physical Medicine and Rehabilitation
NPI 1396716395
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Jamie Pollack, PSY.D.
Clinical Psychologist
NPI 1700967668
7780 S BROADWAY STE 340
Littleton, CO 80122
(303) 730-4400
✔ PECOS✔ Accepts MedicareSame address
Jennifer Sousa, AGNP-C
Nurse Practitioner
NPI 1316664154
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Esther Yoon, MD
Physical Medicine and Rehabilitation
NPI 1164873758
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Karen Hashemi, CNM
Certified Nurse Midwife (CNM)
NPI 1851719926
7780 S BROADWAY STE 280
Littleton, CO 80122
(303) 738-1100
✔ PECOS✔ Accepts Medicare0.1 mi
Gary Allen, M.D.
Thoracic Surgery
NPI 1154327872
7780 S BROADWAY STE 170
Littleton, CO 80122
(303) 269-2920
✔ PECOS✔ Accepts Medicare0.1 mi
Wissam Asfahani, M.D.
Neurosurgery
NPI 1205080892
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts Medicare0.1 mi
See all 733 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 Portercare Adventist Health System's NPI number?

The NPI number for Portercare Adventist Health System is 1447372693. It was assigned to this organization in the NPPES registry on April 6, 2007. The provider is doing business as AdventHealth Hematology and Oncology Littleton. The provider is also known as Mile High Oncology.

Where is Portercare Adventist Health System located?

Portercare Adventist Health System is located at 7750 S Broadway Ste 100, Littleton, CO 80122. The listed phone number is (303) 734-2090.

What is Portercare Adventist Health System's specialty?

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

Is Portercare Adventist Health System enrolled in Medicare?

Yes. Portercare Adventist Health System is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Portercare Adventist Health System?

According to the CMS Revalidation Reassignment List (October 2026 release), 733 clinicians in 45 Medicare specialties reassign their Medicare billing to Portercare Adventist Health System. 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 Nurse Practitioner (159), Family Practice (83) and Internal Medicine (77). Of these, 7 practice at this address and 317 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 Portercare Adventist Health System was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.