Quick answers
- Which hospitals does Juan C. Armstrong work at?
- Medicare's official clinician data lists Juan C. Armstrong at 3 hospitals: Wellstar Cobb Medical Center, Wellstar Kennestone Regional Medical Center and Wellstar Paulding Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Juan C. Armstrong see patients?
- Medicare's clinician data lists 5 practice locations, including Woodstock, GA, Hiram, GA and Acworth, GA. Call before your visit to confirm the address.
- What is Juan C. Armstrong's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Critical Care (Intensivists).
- Does Juan C. Armstrong accept Medicare assignment?
- Yes. Medicare's clinician data says Juan C. Armstrong accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Juan C. Armstrong offer telehealth?
- Medicare's clinician data says Juan C. Armstrong offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Juan C. Armstrong?
- (770) 732-4022, as listed in official Medicare / NPI Registry data.
- What is Juan C. Armstrong's NPI number?
- 1639259666. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Juan C. Armstrong works
Medicare's Facility Affiliation Data lists Juan C. Armstrong at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Wellstar Cobb Medical CenterAustell, GA · Acute Care Hospital · CCN 110143
- Wellstar Kennestone Regional Medical CenterMarietta, GA · Acute Care Hospital · CCN 110035
- Wellstar Paulding Medical CenterHiram, GA · Acute Care Hospital · CCN 110042
Practice locations
Addresses where Juan C. Armstrong is enrolled with Medicare (CMS data updated 2026-10-02).
- 120 Stonebridge PkwyWoodstock, GA 30189
- 148 Bill Carruth PkwyHiram, GA 30141
- 2518 Jimmy Lee Smith PkwyHiram, GA 30141 (770) 732‑4022
- 4550 Cobb Pkwy N NWAcworth, GA 30101
- 5150 Stilesboro N W Rd, Suite 220Kennesaw, GA 30152 (770) 424‑8222
Group practices
Medicare enrollment lists Juan C. Armstrong as a member of this group (CMS data updated 2026-10-02).
- Wellstar Medical Group LLC3,093 clinicians in the group
Specialties
Other pulmonologists in Woodstock
Clinicians with the same Medicare primary specialty in Woodstock, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Central Del Caribe Escuela De Medicina |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1639259666 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians