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PORTERCARE ADVENTIST HEALTH SYSTEM
NPI 1841172772
Obstetrics & Gynecology in Littleton, CO

Active since July 22, 2025
7700 S BROADWAY, LITTLETON, CO 80122(303) 730-5830(303) 734-3933 Get Directions Write a Review

NPPES record last updated: July 22, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Portercare Adventist Health System NPPES

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

PORTERCARE ADVENTIST HEALTH SYSTEM (NPI 1841172772), doing business as Adventhealth Medical Group Ob Hospitalists At Littleton, is a healthcare organization registered as an obstetrics & gynecology in Littleton, Colorado and active in the NPI registry since July 2025. The organization lists Jason Tacha, Coo, as its authorized official.

NPPES Registry Identity

NPI1841172772
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NamePORTERCARE ADVENTIST HEALTH SYSTEM
Location Address7700 S BROADWAYLittleton, CO 80122-2602
Mailing AddressPo Box 713425Chicago, IL 60677-4325 · (800) 953-0104
Phone(303) 730-5830
Fax(303) 734-3933
Organization SubpartNo
Authorized OfficialJason TachaCoo · (303) 304-7752
Enumeration DateJuly 22, 2025
NPPES CertifiedJuly 22, 2025
✔ NPI 1841172772 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.
7700 S BROADWAY, Littleton, CO 80122
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Other Names 1

Doing Business AsAdventhealth Medical Group Ob Hospitalists At Littleton

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, 23 practice at this address and 319 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
Carolyn Abman, MD
Obstetrics/Gynecology
NPI 1396824561
7700 S BROADWAY
Littleton, CO 80122
(303) 730-5830
✔ PECOSSame address
Irfan Ali, D.O.
Hospitalist
NPI 1649852419
7700 S BROADWAY
Littleton, CO 80122
(303) 730-8900
✔ PECOS✔ Accepts MedicareSame address
Oliver Bawmann, MD
Hospitalist
NPI 1033738976
7700 S BROADWAY
Littleton, CO 80122
(303) 730-8900
✔ PECOS✔ Accepts MedicareSame address
Alexandra Dimatteo, M.D
Obstetrics/Gynecology
NPI 1467795914
7700 S BROADWAY
Littleton, CO 80122
(303) 730-5830
✔ PECOS✔ Accepts MedicareSame address
Erinn Huffman, M.D.
Obstetrics/Gynecology
NPI 1063724086
7700 S BROADWAY
Littleton, CO 80122
(719) 235-0226
✔ PECOSSame address
Jacqueline Ilunga, M.D.
Internal Medicine
NPI 1417290032
7700 S BROADWAY
Littleton, CO 80122
(303) 730-8900
✔ PECOS✔ Accepts MedicareSame address
Laura Kasher, MD
Hospitalist
NPI 1881805794
7700 S BROADWAY
Littleton, CO 80122
(303) 730-8900
✔ PECOS✔ Accepts MedicareSame address
Jessica Kenerson, M.D.
Obstetrics/Gynecology
NPI 1972766335
7700 S BROADWAY
Littleton, CO 80122
(303) 730-5830
✔ PECOS✔ Accepts MedicareSame address
Susan Lipinski, M.D.
Obstetrics/Gynecology
NPI 1821208281
7700 S BROADWAY
Littleton, CO 80122
(303) 730-5830
✔ PECOSSame address
Tracy Lyon, MD
Obstetrics/Gynecology
NPI 1548686751
7700 S BROADWAY
Littleton, CO 80122
(303) 730-5830
✔ PECOS✔ Accepts MedicareSame address
Shannon Mackay, DO
Hospitalist
NPI 1235585548
7700 S BROADWAY
Littleton, CO 80122
(303) 730-8900
✔ PECOS✔ Accepts MedicareSame address
Braden Mogler, MD
Internal Medicine
NPI 1154748069
7700 S BROADWAY
Littleton, CO 80122
(303) 730-8900
✔ PECOS✔ Accepts MedicareSame address
Angela Oberkramer, APN
Nurse Practitioner
NPI 1467965608
7700 S BROADWAY
Littleton, CO 80122
(303) 730-8900
✔ PECOS✔ Accepts MedicareSame address
Shreela Banerji, NP
Nurse Practitioner
NPI 1326468943
7700 S BROADWAY
Littleton, CO 80122
(303) 730-5881
✔ PECOS✔ Accepts MedicareSame address
Paul Davidson, MD
Internal Medicine
NPI 1760456412
7700 S BROADWAY
Littleton, CO 80122
(303) 730-5800
✔ PECOS✔ Accepts MedicareSame address
Francis Del Rosario, M.D.
Hospitalist
NPI 1295269314
7700 S BROADWAY
Littleton, CO 80122
(303) 730-8900
✔ PECOS✔ Accepts MedicareSame address
Mark Del Rosario, MD
Hospitalist
NPI 1205273927
7700 S BROADWAY
Littleton, CO 80122
(303) 730-8900
✔ PECOS✔ Accepts MedicareSame address
Edward Malcolm, D.O
Internal Medicine
NPI 1629416862
7700 S BROADWAY
Littleton, CO 80122
(303) 730-8900
✔ PECOS✔ Accepts MedicareSame address
Jodi Mcandrew, FNP-BC
Nurse Practitioner
NPI 1689170045
7700 S BROADWAY
Littleton, CO 80122
(303) 734-8619
✔ PECOS✔ Accepts MedicareSame address
David Schroeder, MD
Internal Medicine
NPI 1164484564
7700 S BROADWAY
Littleton, CO 80122
(303) 730-5832
✔ PECOS✔ Accepts MedicareSame 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 1841172772. It was assigned to this organization in the NPPES registry on July 22, 2025. The provider is doing business as AdventHealth Medical Group OB Hospitalists at Littleton.

Where is Portercare Adventist Health System located?

Portercare Adventist Health System is located at 7700 S Broadway, Littleton, CO 80122. The listed phone number is (303) 730-5830.

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, 23 practice at this address and 319 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 July 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.