PORTERCARE ADVENTIST HEALTH SYSTEM
NPI 1568633303
Obstetrics & Gynecology in Denver, CO

Active since March 20, 2008
2555 S DOWNING ST FL 1, DENVER, CO 80210(303) 316-6677(303) 316-5004 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 12, 2026, Jul 23, 2020, Mar 2, 2018 (3 updates tracked since 2018).

About Portercare Adventist Health System NPPES

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

PORTERCARE ADVENTIST HEALTH SYSTEM (NPI 1568633303), doing business as Adventhealth Medical Group Complex Gynecology And Surgery At Porter, is a healthcare organization registered as an obstetrics & gynecology in Denver, Colorado and active in the NPI registry since March 2008. The organization lists Jason Tacha, Coo, as its authorized official.

NPPES Registry Identity

NPI1568633303
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NamePORTERCARE ADVENTIST HEALTH SYSTEM
Location Address2555 S DOWNING ST FL 1Denver, CO 80210-5856
Mailing AddressPo Box 713425Chicago, IL 60677-4325 · (800) 953-0104 · Fax (303) 765-6670
Fax(303) 316-5004
Organization SubpartNo
Authorized OfficialJason TachaCoo · (303) 304-7752
Enumeration DateMarch 20, 2008
Last NPPES UpdateAugust 12, 20263 updates tracked since enumeration
NPPES CertifiedAugust 12, 2026
✔ NPI 1568633303 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
2555 S DOWNING ST FL 1, Denver, CO 80210

Other Names 2

Doing Business AsAdventhealth Medical Group Complex Gynecology And Surgery At Porter
Doing Business AsWhcc Wh Cherry Creek

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, 31 practice at this address and 366 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
Obstetrics/Gynecology
NPI 1154467793
2555 S DOWNING ST FL 1
Denver, CO 80210
(303) 316-6677
✔ PECOS✔ Accepts MedicareSame address
Hematology/Oncology
NPI 1861476400
2555 S DOWNING ST STE 240
Denver, CO 80210
(303) 715-7030
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1912095787
2555 S DOWNING ST STE 240
Denver, CO 80210
(303) 715-7030
✔ PECOS✔ Accepts MedicareSame address
Hematology/Oncology
NPI 1891798914
2555 S DOWNING ST STE 240
Denver, CO 80210
(303) 715-7030
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1619753449
2555 S DOWNING ST STE 240
Denver, CO 80210
(303) 715-7030
✔ PECOS✔ Accepts MedicareSame address
Hospitalist
NPI 1275093726
2525 S DOWNING ST
Denver, CO 80210
(303) 715-7184
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1043430325
2525 S DOWNING ST
Denver, CO 80210
(303) 715-7184
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1548236714
2525 S DOWNING ST
Denver, CO 80210
(303) 629-2100
✔ PECOS✔ Accepts MedicareSame address
Osteopathic Manipulative Medicine
NPI 1568583086
2525 S DOWNING ST
Denver, CO 80210
(303) 715-7184
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1174980304
2525 S DOWNING ST UNIT 5N
Denver, CO 80210
(303) 715-7089
✔ PECOS✔ Accepts MedicareSame address
Hospitalist
NPI 1285054015
2525 S DOWNING ST
Denver, CO 80210
(303) 715-7184
✔ PECOS✔ Accepts MedicareSame address
Psychiatry
NPI 1336295013
2525 S. DOWNING ST UNIT 1 SOUTH PORTER ADVENTIST HOSPITAL
Denver, CO 80210
(303) 778-5811
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1952938714
2525 S DOWNING ST
Denver, CO 80210
(303) 765-6891
✔ PECOS✔ Accepts MedicareSame address
Mental Health Counselor
NPI 1174260012
2525 S DOWNING ST
Denver, CO 80210
(303) 778-2537
✔ PECOSSame address
Certified Clinical Nurse Specialist (CNS)
NPI 1225403363
2525 S DOWNING ST
Denver, CO 80210
(303) 778-1955
✔ PECOS✔ Accepts MedicareSame address
Psychiatry
NPI 1174620025
2525 S DOWNING ST
Denver, CO 80210
(303) 765-6858
✔ PECOS✔ Accepts MedicareSame address
Diagnostic Radiology
NPI 1497994255
2525 S DOWNING ST
Denver, CO 80210
(720) 922-6240
✔ PECOS✔ Accepts MedicareSame address
Diagnostic Radiology
NPI 1104021401
2525 S DOWNING ST
Denver, CO 80210
(720) 922-6240
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1487035721
2535 S DOWNING ST STE 430
Denver, CO 80210
(303) 715-2365
✔ PECOS✔ Accepts MedicareSame address
Orthopedic Surgery
NPI 1245948033
2535 S DOWNING ST STE 100
Denver, CO 80210
(720) 524-1367
✔ PECOSSame address
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 1568633303. It was assigned to this organization in the NPPES registry on March 20, 2008. The provider is doing business as AdventHealth Medical Group Complex Gynecology and Surgery at Porter and Whcc Wh Cherry Creek.

Where is Portercare Adventist Health System located?

Portercare Adventist Health System is located at 2555 S Downing St Fl 1, Denver, CO 80210. The listed phone number is (303) 316-6677.

What is Portercare Adventist Health System's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

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, 31 practice at this address and 366 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.