Quick answers
- Which hospitals does David T. Derrer work at?
- Medicare's official clinician data lists David T. Derrer at 2 hospitals: Wellstar Cobb Medical Center and Wellstar Kennestone Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David T. Derrer see patients?
- Medicare's clinician data lists 13 practice locations, including Woodstock, GA, Alpharetta, GA and Douglasville, GA. Call before your visit to confirm the address.
- What is David T. Derrer's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does David T. Derrer accept Medicare assignment?
- Yes. Medicare's clinician data says David T. Derrer 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.
- What is the phone number for David T. Derrer?
- (770) 517-4621, as listed in official Medicare / NPI Registry data.
- What is David T. Derrer's NPI number?
- 1659378412. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David T. Derrer works
Medicare's Facility Affiliation Data lists David T. Derrer 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
Practice locations
Addresses where David T. Derrer is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 13; the Medicare profile lists all.
- 12201 Hwy 92, Suite DWoodstock, GA 30188 (770) 517‑4621
- 2450 Old Milton PkwyAlpharetta, GA 30009
- 2710 Fairburn RdDouglasville, GA 30135 (943) 202‑8640
- 2890 Delk SerdMarietta, GA 30067 (770) 955‑8620
- 3600 Sandy Plains RdMarietta, GA 30066 (770) 977‑4547
Group practices
Medicare enrollment lists David T. Derrer as a member of this group (CMS data updated 2026-10-02).
- Wellstar Medical Group LLC3,093 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Woodstock
Clinicians with the same Medicare primary specialty in Woodstock, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Alabama School Of Medicine |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659378412 |
| 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