Doctor profile · Federal record
Dr. John Halwig, MD
Allergy Physician · Austell, GA
- NPI 1841230760
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1620 Mulkey RD, Ste 100
Austell, GA 30106
(770) 953-3331
fax (770) 739-9609 - Additional location
-
4645 Timber Ridge Dr Ste 160
Douglasville, GA 301357542
fax (770) 942-7696 - Mailing address
-
8200 Roberts Dr Ste 450
Sandy Springs, GA 303504115
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- November 12, 2020
- Specialty taxonomy
- 207KA0200X — NUCC code
- State license (1)
- Georgia #27558
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841230760. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
58
Distinct HCPCS
1
Medicare allowed
$687
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95117 |
Professional service for multiple injections of allergen | 58 | 42 | $12 |
In context: peer comparison
Among 1 peers in Austell Allergy Physician, average services per provider: 58. This provider delivers 1.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
207
Patients
50
Total drug cost
$87,871
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 54 | 28 | $629 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 44 | 22 | $1,425 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 26 | 0 | $20,507 |
| Azelastine Hcl | Generic | 20 | 0 | $493 |
| Dupixent Syringe (Dupilumab) | Brand | 15 | 0 | $58,778 |
| Levocetirizine Dihydrochloride | Generic | 14 | 0 | $209 |
| Prednisone | Generic | 12 | 0 | $23 |
| Fluticasone Propionate | Generic | 11 | 0 | $284 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 11 | 0 | $5,524 |
Frequently asked questions
What is Dr. John Halwig's medical specialty?
Dr. John Halwig practices Allergy Physician in Austell, GA.
Where does Dr. John Halwig practice?
Dr. John Halwig practices at 1620 Mulkey RD, Austell, GA 30106. Office phone: 7709533331.
What is Dr. John Halwig's NPI?
Dr. John Halwig's National Provider Identifier (NPI) is 1841230760, issued by NPPES.
What procedures does Dr. John Halwig commonly perform?
Top Medicare-reported procedures in 2023: Professional service for multiple injections of allergen (HCPCS 95117). Source: CMS Medicare Physician & Other Practitioners file.