1. Home
  2. Directory
  3. Indiana
  4. Polis
  5. Internal Medicine
  6. NPI Profile

PROACTIVE CLINICAL PARTNERS - ACO
NPI 1821709031
Internal Medicine - Geriatric Medicine in Indianapolis, IN

Active since December 08, 2022
8455 KEYSTONE XING STE 300, INDIANAPOLIS, IN 46240(317) 941-7338(317) 969-6727 Get Directions Write a Review

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

Record update history: May 14, 2026, May 6, 2026, Mar 23, 2026 and 2 more (5 updates tracked since 2022).

About Proactive Clinical Partners - Aco NPPES

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

PROACTIVE CLINICAL PARTNERS - ACO (NPI 1821709031) is a healthcare organization registered as a geriatric medicine in Indianapolis, Indiana and active in the NPI registry since December 2022. The organization lists Hector Vazquez, Ceo, as its authorized official.

NPPES Registry Identity

NPI1821709031
Entity TypeOrganization
Primary Taxonomy207RG0300X
Legal Business NamePROACTIVE CLINICAL PARTNERS - ACO
Location Address8455 KEYSTONE XING STE 300Indianapolis, IN 46240-4353
Mailing Address8455 Keystone Xing Ste 300Indianapolis, IN 46240-4353 · (317) 941-7338 · Fax (317) 969-6727
Phone(317) 941-7338
Fax(317) 969-6727
Organization SubpartYesParent: Proactive Clinical Partners
Authorized OfficialHector VazquezCeo · (317) 941-7338
Enumeration DateDecember 8, 2022
Last NPPES UpdateMay 14, 20265 updates tracked since enumeration
NPPES CertifiedMay 14, 2026
✔ NPI 1821709031 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
8455 KEYSTONE XING STE 300, Indianapolis, IN 46240
Open in Google Maps ↗

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)

Proactive Clinical Partners - Aco is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

20

Medicare enrollment records show 20 clinicians reassign Medicare billing to Proactive Clinical Partners - Aco, which bills Medicare for the services they deliver. Of these, 8 practice at this address and 10 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 3

Nurse Practitioner16
Internal Medicine3
Hospitalist1

Clinicians, nearest first (20)

Karalyn Jacobs, DNP, RN, FNP-C
Nurse Practitioner
NPI 1578972527
8455 KEYSTONE XING STE 300
Indianapolis, IN 46240
(317) 941-7338
✔ PECOS✔ Accepts MedicareSame address
Emily Little
Nurse Practitioner
NPI 1275463218
8455 KEYSTONE XING STE 300
Indianapolis, IN 46240
(317) 941-7338
✔ PECOS✔ Accepts MedicareSame address
Margaret Mendez, FNP-BC
Nurse Practitioner
NPI 1942140892
8455 KEYSTONE XING STE 300
Indianapolis, IN 46240
(317) 389-5418
✔ PECOS✔ Accepts MedicareSame address
Ibrar Paracha, M.D.
Hospitalist
NPI 1811157357
8455 KEYSTONE XING STE 300
Indianapolis, IN 46240
(317) 941-7338
✔ PECOS✔ Accepts MedicareSame address
Himani Patel
Nurse Practitioner
NPI 1396601472
8455 KEYSTONE XING STE 300
Indianapolis, IN 46240
(317) 941-7338
✔ PECOS✔ Accepts MedicareSame address
Nanette Richards, FNP
Nurse Practitioner
NPI 1245997857
8455 KEYSTONE XING STE 300
Indianapolis, IN 46240
(845) 205-6004
✔ PECOS✔ Accepts MedicareSame address
Karsen Root, FNP-C
Nurse Practitioner
NPI 1356290423
8455 KEYSTONE XING STE 300
Indianapolis, IN 46240
(463) 203-7374
✔ PECOS✔ Accepts MedicareSame address
Madisyn Twitty
Nurse Practitioner
NPI 1114879012
8455 KEYSTONE XING STE 300
Indianapolis, IN 46240
(317) 941-7338
✔ PECOS✔ Accepts MedicareSame address
Durell Collins, AGACNP-BC
Nurse Practitioner
NPI 1851863211
2001 W 86TH ST
Indianapolis, IN 46260
(317) 338-8930
✔ PECOS✔ Accepts Medicare4.3 mi
Saad Hafidh, M.D
Internal Medicine
NPI 1629100268
2001 W 86TH ST
Indianapolis, IN 46260
(317) 338-3634
✔ PECOS✔ Accepts Medicare4.4 mi
Erika Burdick
Nurse Practitioner
NPI 1962264523
2485 DIRECTORS ROW STE D
Indianapolis, IN 46241
(317) 941-7338
✔ PECOS✔ Accepts Medicare15 mi
Chelsea Holder, NP
Nurse Practitioner
NPI 1104551605
2485 DIRECTORS ROW STE D
Indianapolis, IN 46241
(317) 941-7338
✔ PECOS✔ Accepts Medicare15 mi
Courtney Bumbalough, FNP-C
Nurse Practitioner
NPI 1952881435
2445 DIRECTORS ROW STE C
Indianapolis, IN 46241
(317) 941-7338
✔ PECOS✔ Accepts Medicare15 mi
Shelly Earlywine, ARNP
Nurse Practitioner
NPI 1831778760
1108 KINGWOOD DR
Avon, IN 46123
(317) 941-7338
✔ PECOS✔ Accepts Medicare15 mi
Carla Jenkins, NP-C
Nurse Practitioner
NPI 1336439371
1108 KINGWOOD DR
Avon, IN 46123
(317) 619-2133
✔ PECOS✔ Accepts Medicare18 mi
Amanda Larson
Nurse Practitioner
NPI 1538832944
302 N JOHNSON RD
Mooresville, IN 46158
(317) 941-7338
✔ PECOS✔ Accepts Medicare24 mi
Stacie Stutzman, FNP
Nurse Practitioner
NPI 1699919373
1201 MICHIGAN AVE SUITE 270
Logansport, IN 46947
(574) 722-4921
✔ PECOS✔ Accepts Medicare60 mi
Ama Amofa, FNP-C
Nurse Practitioner
NPI 1861167082
1400 E CROSSING BLVD
Terre Haute, IN 47802
(812) 239-3066
✔ PECOS✔ Accepts Medicare77 mi
Ayaz Ahmad, MD
Internal Medicine
NPI 1629573142
3015 N BALLAS RD
Saint Louis, MO 63131
(314) 996-5772
✔ PECOS✔ Accepts Medicare248 mi
Syed Hashmi, MD
Internal Medicine
NPI 1265537104
1008 N MAIN ST
Sikeston, MO 63801
(573) 472-6001
✔ PECOS✔ Accepts Medicare281 mi

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 Proactive Clinical Partners - Aco's NPI number?

The NPI number for Proactive Clinical Partners - Aco is 1821709031. It was assigned to this organization in the NPPES registry on December 8, 2022.

Where is Proactive Clinical Partners - Aco located?

Proactive Clinical Partners - Aco is located at 8455 Keystone Xing Ste 300, Indianapolis, IN 46240. The listed phone number is (317) 941-7338.

What is Proactive Clinical Partners - Aco's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Proactive Clinical Partners - Aco enrolled in Medicare?

Yes. Proactive Clinical Partners - Aco is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Proactive Clinical Partners - Aco?

According to the CMS Revalidation Reassignment List (October 2026 release), 20 clinicians in 3 Medicare specialties reassign their Medicare billing to Proactive Clinical Partners - Aco. 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 (16), Internal Medicine (3) and Hospitalist (1). Of these, 8 practice at this address and 10 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 Proactive Clinical Partners - Aco was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.