PORTERCARE ADVENTIST HEALTH SYSTEM
NPI 1720697667
Obstetrics & Gynecology in Lone Tree, CO

Active since July 27, 2020
9695 S YOSEMITE ST STE 255B, LONE TREE, CO 80124(303) 649-3380(303) 649-3381 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 14, 2026, Jul 27, 2020 (2 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 1720697667), doing business as Adventhealth Medical Group Ridgegate Ob/gyn At Lone Tree, is a healthcare organization registered as an obstetrics & gynecology in Lone Tree, Colorado and active in the NPI registry since July 2020. The organization lists Jason Tacha, Coo, as its authorized official.

NPPES Registry Identity

NPI1720697667
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NamePORTERCARE ADVENTIST HEALTH SYSTEM
Location Address9695 S YOSEMITE ST STE 255BLone Tree, CO 80124-2890
Mailing AddressPo Box 713425Chicago, IL 60677-4325 · (800) 953-0104 · Fax (303) 765-6670
Fax(303) 649-3381
Organization SubpartNo
Authorized OfficialJason TachaCoo · (303) 304-7752
Enumeration DateJuly 27, 2020
Last NPPES UpdateAugust 14, 20262 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
✔ NPI 1720697667 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.
9695 S YOSEMITE ST STE 255B, Lone Tree, CO 80124

Other Names 1

Doing Business AsAdventhealth Medical Group Ridgegate Ob/gyn At Lone Tree

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, 2 practice at this address and 327 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
General Surgery
NPI 1841633567
9695 S YOSEMITE ST STE 385
Lone Tree, CO 80124
(303) 715-7119
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1114174059
9695 S YOSEMITE ST STE 255B
Lone Tree, CO 80124
(303) 649-3380
✔ PECOS✔ Accepts MedicareSame address
Orthopedic Surgery
NPI 1124199682
9777 S YOSEMITE ST SUITE 220
Lone Tree, CO 80124
(303) 699-7325
✔ PECOS✔ Accepts Medicare0.1 mi
Orthopedic Surgery
NPI 1518937291
9777 S YOSEMITE ST 220
Lone Tree, CO 80124
(303) 699-7325
✔ PECOS✔ Accepts Medicare0.1 mi
Orthopedic Surgery
NPI 1699745836
9777 S YOSEMITE ST 220
Lone Tree, CO 80124
(303) 699-7325
✔ PECOS✔ Accepts Medicare0.1 mi
Orthopedic Surgery
NPI 1447234281
9777 S YOSEMITE ST 220
Lone Tree, CO 80124
(303) 699-7325
✔ PECOS✔ Accepts Medicare0.1 mi
Hand Surgery
NPI 1346288099
9777 S YOSEMITE ST SUITE 220
Lonetree, CO 80124
(303) 699-7325
✔ PECOS✔ Accepts Medicare0.1 mi
Certified Nurse Midwife (CNM)
NPI 1053713495
10465 PARK MEADOWS DR SUITE 104
Lone Tree, CO 80124
(303) 799-7903
✔ PECOS✔ Accepts Medicare0.7 mi
Nurse Practitioner
NPI 1922298900
10240 PARK MEADOWS DR
Lone Tree, CO 80124
(303) 338-4545
✔ PECOS✔ Accepts Medicare0.8 mi
Nurse Practitioner
NPI 1245983808
10290 RIDGEGATE CIR
Lone Tree, CO 80124
(303) 788-8300
✔ PECOS✔ Accepts Medicare1.0 mi
Nurse Practitioner
NPI 1538702618
10103 RIDGEGATE PKWY STE 203
Lone Tree, CO 80124
(303) 327-4700
✔ PECOS✔ Accepts Medicare1.1 mi
Podiatry
NPI 1205827979
10103 RIDGEGATE PKWY #309
Lone Tree, CO 80124
(303) 662-1600
✔ PECOS✔ Accepts Medicare1.1 mi
Hospitalist
NPI 1053872101
10099 RIDGEGATE PKWY STE 200
Lone Tree, CO 80124
(720) 476-3364
✔ PECOS✔ Accepts Medicare1.1 mi
Family Practice
NPI 1487150801
10099 RIDGEGATE PKWY STE 200
Lone Tree, CO 80124
(720) 874-2411
✔ PECOS✔ Accepts Medicare1.1 mi
Obstetrics/Gynecology
NPI 1912910175
10099 RIDGEGATE PKWY 370
Lone Tree, CO 80124
(303) 795-3110
✔ PECOS✔ Accepts Medicare1.1 mi
Orthopedic Surgery
NPI 1295946283
9949 S OSWEGO ST SUITE 200
Parker, CO 80134
(303) 925-4750
✔ PECOS✔ Accepts Medicare1.8 mi
Mental Health Counselor
NPI 1750683447
9949 S OSWEGO ST STE 300
Parker, CO 80134
(303) 649-3100
✔ PECOS✔ Accepts Medicare1.8 mi
Neurology
NPI 1427265883
9949 S OSWEGO ST STE 200
Parker, CO 80134
(303) 925-4750
✔ PECOS✔ Accepts Medicare1.8 mi
Sports Medicine
NPI 1932205259
9331 S COLORADO BLVD SUITE 200
Highlands Ranch, CO 80126
(303) 471-4711
✔ PECOS3.1 mi
Diagnostic Radiology
NPI 1184982167
10800 E GEDDES AVE STE 300
Englewood, CO 80112
(303) 761-9190
✔ PECOS✔ Accepts Medicare3.3 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 1720697667. It was assigned to this organization in the NPPES registry on July 27, 2020. The provider is doing business as AdventHealth Medical Group RidgeGate OB/GYN at Lone Tree.

Where is Portercare Adventist Health System located?

Portercare Adventist Health System is located at 9695 S Yosemite St Ste 255B, Lone Tree, CO 80124. The listed phone number is (303) 649-3380.

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, 2 practice at this address and 327 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.