1. Home
  2. Directory
  3. Georgia
  4. Calhoun
  5. Clinic Center
  6. NPI Profile

ADVENTHEALTH MEDICAL GROUP
NPI 1699791343
Clinic/Center - Multi-Specialty in Calhoun, GA

Active since July 14, 2006CLIA Certified · 7 labs
1035 RED BUD RD NE, CALHOUN, GA 30701(706) 602-7800(706) 624-5093 Get Directions Write a Review

NPPES record last updated: August 27, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 27, 2020, Dec 17, 2018 (2 updates tracked since 2018).

About Adventhealth Medical Group NPPES

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

ADVENTHEALTH MEDICAL GROUP (NPI 1699791343) is a healthcare organization registered as a multi-specialty in Calhoun, Georgia and active in the NPI registry since July 2006. The organization holds 7 active CLIA laboratory certificates and lists Alan G Guyton, Cfo, as its authorized official.

NPPES Registry Identity

NPI1699791343
Entity TypeOrganization
Primary Taxonomy261QM1300X
Legal Business NameADVENTIST HEALTH SYSTEM GEORGIA INC
Location Address1035 RED BUD RD NECalhoun, GA 30701-2082
Mailing AddressPo Box 12938Calhoun, GA 30703-7013 · (706) 602-7800
Phone(706) 602-7800
Fax(706) 624-5093
Organization SubpartNo
Authorized OfficialAlan G GuytonCfo · (706) 879-4710
Enumeration DateJuly 14, 2006
Last NPPES UpdateAugust 27, 20202 updates tracked since enumeration
NPPES CertifiedAugust 27, 2020
✔ NPI 1699791343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM1300X
1035 RED BUD RD NE, Calhoun, GA 30701
Open in Google Maps ↗

Other Names 1

Doing Business AsAdventhealth Medical Group

Other Identifiers 1

Medicaid003134436AGA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter from Buckeye Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Adventhealth Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

381

Medicare enrollment records show 381 clinicians reassign Medicare billing to Adventhealth Medical Group, which bills Medicare for the services they deliver. Of these, 33 practice at this address and 118 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 33

Nurse Practitioner93
Internal Medicine63
Family Practice38
Neurology30
Cardiovascular Disease (Cardiology)18
Psychiatry17
General Surgery11
Hospitalist11
25 other specialties100

Nearest to this location (20)

See all 381
Daniel Ahn, MD
Ophthalmology
NPI 1184645558
1035 RED BUD RD NE SUITE 203
Calhoun, GA 30701
(706) 629-8090
✔ PECOS✔ Accepts MedicareSame address
Lars Bakland, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1538198460
1035 RED BUD RD NE
Calhoun, GA 30701
(706) 879-4776
✔ Accepts MedicareSame address
Kyle Benge, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1922507706
1035 RED BUD RD NE
Calhoun, GA 30701
(706) 879-4776
✔ Accepts MedicareSame address
James Box, M.D.
Internal Medicine
NPI 1619902319
1035 RED BUD RD NE
Calhoun, GA 30701
(706) 879-4776
✔ PECOSSame address
Joel Box, MD
General Surgery
NPI 1508960121
1035 RED BUD RD NE STE 200
Calhoun, GA 30701
(706) 602-8300
✔ PECOSSame address
William Brannon, M.D.
Anesthesiology
NPI 1780612408
1035 RED BUD RD NE
Calhoun, GA 30701
(706) 602-9995
✔ PECOS✔ Accepts MedicareSame address
Camile Calcano Contreas, M.D.
Internal Medicine
NPI 1528455672
1035 RED BUD RD NE
Calhoun, GA 30701
(706) 879-4776
✔ PECOS✔ Accepts MedicareSame address
Anthony Captain, M.D.
Internal Medicine
NPI 1023035094
1035 RED BUD RD NE
Calhoun, GA 30701
(706) 879-4776
✔ PECOS✔ Accepts MedicareSame address
Marc Dyke, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1518996438
1035 RED BUD RD NE
Calhoun, GA 30701
(706) 879-4776
✔ Accepts MedicareSame address
Corwyn Fortner, M.D.
Anesthesiology
NPI 1134154388
1035 RED BUD RD NE
Calhoun, GA 30701
(706) 879-4776
✔ PECOS✔ Accepts MedicareSame address
Briton Jordan, M.D.
General Surgery
NPI 1114916582
1035 RED BUD RD NE STE 200
Calhoun, GA 30701
(706) 602-8300
✔ PECOS✔ Accepts MedicareSame address
Julia Rittenhouse, MD
Family Practice
NPI 1013329622
1035 RED BUD RD NE
Calhoun, GA 30701
(706) 879-4776
✔ PECOS✔ Accepts MedicareSame address
Sally Smalley, MD
Otolaryngology
NPI 1457645244
1035 RED BUD RD NE STE 102
Calhoun, GA 30701
(706) 602-3104
✔ PECOS✔ Accepts MedicareSame address
William Tong, M.D.
Radiation Oncology
NPI 1184971434
1035 RED BUD RD NE
Calhoun, GA 30701
(706) 879-5850
✔ PECOS✔ Accepts MedicareSame address
Ruby Herrera, NP
Nurse Practitioner
NPI 1699936690
1035 RED BUD RD NE
Calhoun, GA 30701
(706) 879-4776
✔ PECOS✔ Accepts MedicareSame address
Justice Madubuike, MD
Family Practice
NPI 1710255815
1035 RED BUD RD NE
Calhoun, GA 30701
(706) 879-4776
✔ PECOS✔ Accepts MedicareSame address
Kailash Kulkarni, M.D.
Hospitalist
NPI 1114116191
1035 RED BUD RD NE
Calhoun, GA 30701
(706) 879-4776
✔ PECOS✔ Accepts MedicareSame address
Mayur Mody, M.D.
Hospitalist
NPI 1255751277
1035 RED BUD RD NE STE 101
Calhoun, GA 30701
(706) 625-4285
✔ PECOS✔ Accepts MedicareSame address
Sheela Hanasoge
Radiation Oncology
NPI 1598080913
1035 RED BUD RD NE
Calhoun, GA 30701
(706) 879-5850
✔ PECOS✔ Accepts MedicareSame address
Hak Lee, MD
Urology
NPI 1033414834
1035 RED BUD RD NE SUITE 201
Calhoun, GA 30701
(706) 879-4700
✔ PECOS✔ Accepts MedicareSame address
See all 381 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA 7

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 11D2282912

Adventhealth Medical Group Cardiology At Calhoun · Calhoun, GA
Active · expires May 29, 2027
CLIA Number11D2282912
Laboratory TypePhysician Office
Certificate Effective DateMay 30, 2025
Certificate Expiration DateMay 29, 2027
Laboratory DirectorSpencer C. Maddox
Laboratory Phone(706) 625-6690
Laboratory LocationAdventhealth Medical Group Cardiology At Calhoun1035 Red Bud Road, Calhoun, GA 30701
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 11D0915148

Adventhealth Medical Group Urgent Care At Calhoun · Calhoun, GA
Active · expires Aug 5, 2028
CLIA Number11D0915148
Laboratory TypeAncillary Testing Site In Health Care Center
Certificate Effective DateAugust 6, 2026
Certificate Expiration DateAugust 5, 2028
Laboratory DirectorPablo Balboa
Laboratory Phone(706) 602-8200
Laboratory LocationAdventhealth Medical Group Urgent Care At Calhoun100 Hospital Court, Calhoun, GA 30701
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 11D2122728

Adventhealth Medical Group Ob/Gyn -Calhoun, Ga · Calhoun, GA
Active · expires Jun 21, 2028
CLIA Number11D2122728
Laboratory TypePhysician Office
Certificate Effective DateJune 22, 2026
Certificate Expiration DateJune 21, 2028
Laboratory DirectorDonald D. Taylor
Laboratory Phone(706) 879-5770
Laboratory LocationAdventhealth Medical Group Ob/Gyn -Calhoun, Ga170 Curtis Parkway, Suite 1, Calhoun, GA 30701
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 11D0686590

Adventhealth Medical Group Family And Internal Medicine At Timms Road · Calhoun, GA
Active · expires May 14, 2028
CLIA Number11D0686590
Laboratory TypePhysician Office
Certificate Effective DateMay 15, 2026
Certificate Expiration DateMay 14, 2028
Laboratory DirectorKent H. Van Arsdell
Laboratory Phone(706) 625-0022
Laboratory LocationAdventhealth Medical Group Family And Internal Medicine At Timms Road400 Timms Road, NE, Calhoun, GA 30701
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 11D1053788

Adventhealth Medical Group Urology · Calhoun, GA
Active · expires Apr 14, 2028
CLIA Number11D1053788
Laboratory TypePhysician Office
Certificate Effective DateApril 15, 2026
Certificate Expiration DateApril 14, 2028
Laboratory DirectorDr. Hak J. Lee
Laboratory Phone(706) 879-4700
Laboratory LocationAdventhealth Medical Group Urology1035 Red Bud Road, Suite 201, Calhoun, GA 30701
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 11D2181442

Adventhealth Medical Group Urgent Care Calhoun City Schools · Calhoun, GA
Active · expires Apr 2, 2028
CLIA Number11D2181442
Laboratory TypePhysician Office
Certificate Effective DateApril 3, 2026
Certificate Expiration DateApril 2, 2028
Laboratory DirectorAndrea Kovacic
Laboratory Phone(706) 879-6405
Laboratory LocationAdventhealth Medical Group Urgent Care Calhoun City Schools101 Yellow Jacket Drive, Calhoun, GA 30701
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

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 Adventist Health System Georgia Inc's NPI number?

The NPI number for Adventist Health System Georgia Inc is 1699791343. It was assigned to this organization in the NPPES registry on July 14, 2006. The provider is doing business as Adventhealth Medical Group.

Where is Adventist Health System Georgia Inc located?

Adventist Health System Georgia Inc is located at 1035 Red Bud Rd NE, Calhoun, GA 30701. The listed phone number is (706) 602-7800.

What is Adventist Health System Georgia Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

Is Adventist Health System Georgia Inc enrolled in Medicare?

Yes. Adventist Health System Georgia Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Adventist Health System Georgia Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 381 clinicians in 33 Medicare specialties reassign their Medicare billing to Adventist Health System Georgia Inc. 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 (93), Internal Medicine (63) and Family Practice (38). Of these, 33 practice at this address and 118 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Adventist Health System Georgia Inc hold CLIA laboratory certificates?

Yes. 7 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Adventist Health System Georgia Inc accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter Health of Delaware, Ambetter from Absolute Total Care and Ambetter from Buckeye Health Plan and 3 other insurers list Adventist Health System Georgia Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Adventist Health System Georgia Inc was last updated on August 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.