PORTERCARE ADVENTIST HEALTH SYSTEM
NPI 1295477222
Family Medicine in Denver, CO

Active since April 11, 2022
4809 ARGONNE ST STE 200, DENVER, CO 80249(303) 649-3750(303) 649-3751 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 14, 2026, Apr 11, 2022 (2 updates tracked since 2022).

About Portercare Adventist Health System NPPES

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

PORTERCARE ADVENTIST HEALTH SYSTEM (NPI 1295477222), doing business as Adventhealth Medical Group Primary Care At Green Valley Ranch, is a healthcare organization registered as a family medicine in Denver, Colorado and active in the NPI registry since April 2022. The organization lists Jason Tacha, Coo, as its authorized official.

NPPES Registry Identity

NPI1295477222
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NamePORTERCARE ADVENTIST HEALTH SYSTEM
Location Address4809 ARGONNE ST STE 200Denver, CO 80249-6836
Mailing AddressPo Box 713425Chicago, IL 60677-4325 · (800) 953-0104 · Fax (303) 765-6670
Fax(303) 649-3751
Organization SubpartNo
Authorized OfficialJason TachaCoo · (303) 304-7752
Enumeration DateApril 11, 2022
Last NPPES UpdateAugust 14, 20262 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
✔ NPI 1295477222 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
4809 ARGONNE ST STE 200, Denver, CO 80249

Other Names 1

Doing Business AsAdventhealth Medical Group Primary Care At Green Valley Ranch

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, 3 practice at this address and 47 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
Clinical Social Worker
NPI 1487081717
4809 ARGONNE ST STE 200
Denver, CO 80249
(303) 649-3750
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1720652381
4809 ARGONNE ST
Denver, CO 80249
(303) 649-3750
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1003303173
4809 ARGONNE ST STE 200
Denver, CO 80249
(303) 649-3750
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1508252776
3405 N MAIN ST STE 200
Aurora, CO 80019
(720) 455-3957
✔ PECOS✔ Accepts Medicare3.1 mi
Mental Health Counselor
NPI 1790802437
1290 CHAMBERS RD
Aurora, CO 80011
(303) 617-2715
✔ PECOS✔ Accepts Medicare4.0 mi
Cardiovascular Disease (Cardiology)
NPI 1366741829
1700 WHEELING ST # 111B
Aurora, CO 80045
(720) 723-6069
✔ PECOS✔ Accepts Medicare4.6 mi
Hospitalist
NPI 1730156506
1700 N. WHEELING STREET MAILSTOP 111
Aurora, CO 80045
(720) 295-6264
✔ PECOS✔ Accepts Medicare4.6 mi
Psychiatry
NPI 1942509583
791 CHAMBERS RD
Aurora, CO 80011
(303) 617-2300
✔ PECOS✔ Accepts Medicare4.6 mi
Neurology
NPI 1174940431
13001 E 17TH PL
Aurora, CO 80045
(303) 724-6031
✔ PECOS✔ Accepts Medicare4.6 mi
Nephrology
NPI 1134361793
13001 E 17TH PL
Aurora, CO 80045
(303) 724-4851
✔ PECOS✔ Accepts Medicare4.7 mi
Certified Clinical Nurse Specialist (CNS)
NPI 1124465919
1665 AURORA CT
Aurora, CO 80045
(720) 848-5300
✔ PECOS✔ Accepts Medicare4.8 mi
Medical Oncology
NPI 1083935456
1665 AURORA CT
Aurora, CO 80045
(720) 848-5463
✔ PECOS✔ Accepts Medicare4.8 mi
Gastroenterology
NPI 1548307804
12631 E 17TH AVE STE B158
Aurora, CO 80045
(303) 724-1858
✔ PECOS✔ Accepts Medicare4.9 mi
Internal Medicine
NPI 1245869940
12631 E 17TH AVE
Aurora, CO 80045
(303) 724-1097
✔ PECOS✔ Accepts Medicare4.9 mi
Obstetrics/Gynecology
NPI 1376958124
1635 AURORA CT
Aurora, CO 80045
(720) 848-0000
✔ PECOS✔ Accepts Medicare4.9 mi
Certified Nurse Midwife (CNM)
NPI 1073877486
1635 AURORA CT FL 3
Aurora, CO 80045
(720) 848-1594
✔ PECOS✔ Accepts Medicare4.9 mi
Nurse Practitioner
NPI 1437408283
12605 E 16TH AVE
Aurora, CO 80045
(720) 848-0000
✔ PECOS✔ Accepts Medicare4.9 mi
Colorectal Surgery (Proctology)
NPI 1821364480
12605 E 16TH AVE
Aurora, CO 80045
(720) 848-0000
✔ PECOS✔ Accepts Medicare5.0 mi
Epileptologists
NPI 1407965882
12605 E 16TH AVE
Aurora, CO 80045
(720) 848-0000
✔ PECOS✔ Accepts Medicare5.0 mi
Cardiac Electrophysiology
NPI 1851780530
12505 E 16TH AVE
Aurora, CO 80045
(720) 848-0000
✔ PECOS✔ Accepts Medicare5.0 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 1295477222. It was assigned to this organization in the NPPES registry on April 11, 2022. The provider is doing business as AdventHealth Medical Group Primary Care at Green Valley Ranch.

Where is Portercare Adventist Health System located?

Portercare Adventist Health System is located at 4809 Argonne St Ste 200, Denver, CO 80249. The listed phone number is (303) 649-3750.

What is Portercare Adventist Health System's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

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, 3 practice at this address and 47 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 14, 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.