PORTERCARE ADVENTIST HEALTH SYSTEM
NPI 1891138905
Obstetrics & Gynecology in Erie, CO

Q: What is Portercare Adventist Health System's NPI number?

The NPI number for Portercare Adventist Health System is 1891138905. It was assigned to this organization in the NPPES registry on April 9, 2013. The provider is doing business as AdventHealth Medical Group OB/GYN at Erie and Wher Wh Erie.

Q: What is Portercare Adventist Health System's specialty?

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

Active since April 09, 2013

611 MITCHELL WAY STE 103, ERIE, CO 80516(303) 649-4108(303) 269-2790 Get Directions Write a Review

NPPES record last updated: August 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 13, 2026, Jul 28, 2020, Mar 17, 2018 and 2 more (5 updates tracked since 2017).

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About Portercare Adventist Health System NPPES

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

PORTERCARE ADVENTIST HEALTH SYSTEM (NPI 1891138905), doing business as Adventhealth Medical Group Ob/gyn At Erie, is a healthcare organization registered as an obstetrics & gynecology in Erie, Colorado and active in the NPI registry since April 2013. The organization lists Jason Tacha, Coo, as its authorized official.

NPPES Registry Identity

NPI1891138905

Entity TypeOrganization

Primary Taxonomy207V00000X

Legal Business NamePORTERCARE ADVENTIST HEALTH SYSTEM

Location Address611 MITCHELL WAY STE 103Erie, CO 80516-5443

Mailing AddressPo Box 713425Chicago, IL 60677-4325 · (800) 953-0104 · Fax (303) 765-6670

Phone(303) 649-4108

Fax(303) 269-2790

Organization SubpartNo

Authorized OfficialJason TachaCoo · (303) 304-7752

Enumeration DateApril 9, 2013

Last NPPES UpdateAugust 13, 20265 updates tracked since enumeration

NPPES CertifiedAugust 13, 2026

✔ NPI 1891138905 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.

611 MITCHELL WAY STE 103, Erie, CO 80516

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Other Names 2

Doing Business AsAdventhealth Medical Group Ob/gyn At Erie

Doing Business AsWher Wh Erie

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, 4 practice at this address and 52 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

Cory Brown, D.O.

Family Practice

NPI 1871892281

611 MITCHELL WAY STE 103
Erie, CO 80516

(303) 269-2780

✔ PECOS✔ Accepts MedicareSame address

Sarah Chahda, FNP-C

Nurse Practitioner

NPI 1154194090

611 MITCHELL WAY STE 103
Erie, CO 80516

(303) 269-2780

✔ PECOS✔ Accepts MedicareSame address

Asha Rizzo, FNP-C

Nurse Practitioner

NPI 1013631688

611 MITCHELL WAY STE 103
Erie, CO 80516

(303) 649-4108

✔ PECOS✔ Accepts MedicareSame address

Alison Mall, M.D.

Obstetrics/Gynecology

NPI 1891773149

611 MITCHELL WAY SUITE 103
Erie, CO 80516

(303) 269-2780

✔ PECOS✔ Accepts MedicareSame address

Melissa Smith, FNP

Nurse Practitioner

NPI 1124373634

101 ERIE PKWY STE 101
Erie, CO 80516

(303) 415-5810

✔ PECOS✔ Accepts Medicare0.4 mi

William Clancy, PSYD

Clinical Psychologist

NPI 1366607707

14300 ORCHARD PKWY
Westminster, CO 80023

(720) 321-8950

✔ PECOS✔ Accepts Medicare6.4 mi

Emerson Gonzalez Santos, M.D.

Internal Medicine

NPI 1396065199

14300 ORCHARD PKWY
Westminster, CO 80023

(720) 627-3761

✔ PECOS✔ Accepts Medicare6.4 mi

Dillon Le, MD

Hospitalist

NPI 1477181477

14300 ORCHARD PKWY FL 1
Westminster, CO 80023

(303) 430-5560

✔ PECOS✔ Accepts Medicare6.4 mi

Alexandra Lee, DO

Family Practice

NPI 1902434269

14300 ORCHARD PKWY
Westminster, CO 80023

(303) 430-5560

✔ PECOS✔ Accepts Medicare6.4 mi

Shreyash Pradhan, DO

General Surgery

NPI 1174061592

14300 ORCHARD PKWY FL 2
Westminster, CO 80023

(720) 354-5295

✔ PECOS6.4 mi

Sara Schuster

Hospitalist

NPI 1821550062

14300 ORCHARD PKWY
Westminster, CO 80023

(720) 627-3761

✔ PECOS✔ Accepts Medicare6.4 mi

Heather Tribble, N.P.

Nurse Practitioner

NPI 1437572898

14300 ORCHARD PKWY
Westminster, CO 80023

(720) 638-7500

✔ PECOS✔ Accepts Medicare6.4 mi

Alison Cowan, MD

Obstetrics/Gynecology

NPI 1386955417

80 HEALTH PARK DR STE 100
Louisville, CO 80027

(303) 665-1045

✔ PECOS✔ Accepts Medicare7.8 mi

Lief Sorensen, MD

Anesthesiology

NPI 1770639452

80 HEALTH PARK DR SUITE 50
Superior, CO 80027

(303) 661-4100

✔ PECOS✔ Accepts Medicare7.8 mi

Carole Nighswander, CNM

Certified Nurse Midwife (CNM)

NPI 1114104106

90 HEALTH PARK DR STE 290
Louisville, CO 80027

(303) 439-8910

✔ PECOS7.8 mi

Christopher Talbot, DO, MS

Neurosurgery

NPI 1558899468

90 HEALTH PARK DR STE 350
Louisville, CO 80027

(303) 925-5068

✔ PECOS✔ Accepts Medicare7.8 mi

Rachel Shannon, LCSW

Clinical Social Worker

NPI 1194146902

90 HEALTH PARK DR STE 130
Louisville, CO 80027

(303) 661-4100

✔ PECOS✔ Accepts Medicare7.8 mi

Scott Hallgren, D.O., F.A.C.P.

Gastroenterology

NPI 1205929841

80 HEALTH PARK DR STE 270
Louisville, CO 80027

(303) 269-2085

✔ PECOS✔ Accepts Medicare7.8 mi

Daniel Ocel, M.D.

Orthopedic Surgery

NPI 1649217324

80 HEALTH PARK DR STE 270
Louisville, CO 80027

(303) 661-4153

✔ PECOS✔ Accepts Medicare7.8 mi

Katelyn Buettner, MA, LPC, LAC

Mental Health Counselor

NPI 1467984963

90 HEALTH PARK DR STE 290
Louisville, CO 80027

(303) 439-8910

✔ PECOS✔ Accepts Medicare7.8 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 1891138905. It was assigned to this organization in the NPPES registry on April 9, 2013. The provider is doing business as AdventHealth Medical Group OB/GYN at Erie and Wher Wh Erie.

Where is Portercare Adventist Health System located?

Portercare Adventist Health System is located at 611 Mitchell Way Ste 103, Erie, CO 80516. The listed phone number is (303) 649-4108.

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, 4 practice at this address and 52 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 13, 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.