Doctor profile · Federal record
Dr. John Williams, M.D.
Hospitalist Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Pulmonary Disease Physician · Austell, GA
- NPI 1841467198
- Accepts Medicare
- 20 yrs in practice
- Licensed in 4 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1664 Mulkey RD
Austell, GA 301061114
(770) 422-1372 - Additional location
-
4500 Hospital Blvd Ste 310
Roswell, GA 30076
(770) 410-4366 - Additional location
-
309 Jackson St
Monroe, LA 712017407
(318) 966-4541
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Profile last updated
- May 25, 2023
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State licenses (4)
- Louisiana #207952 · Arkansas #E-6744 · Georgia #81809 · Alabama #MD.31678
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841467198. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
428
Distinct HCPCS
10
Medicare allowed
$52,110
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 132 | 74 | $119 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 61 | 46 | $129 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 60 | 46 | $80 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 44 | 35 | $91 | |
99291 |
Critical care, first 30-74 minutes | 35 | 28 | $214 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 27 | 27 | $221 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 22 | 22 | $174 | |
94726 |
Test to determine lung volumes using sensors | 17 | 17 | $55 | |
94729 |
Test to examine how well the lungs exchange gases | 17 | 17 | $57 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 13 | 13 | $39 |
In context: peer comparison
Among 11 peers in this city , average services per provider: 162. This provider delivers 2.6× the peer median.Open Payments
Industry payments received
All-time total
$927
Transactions
41
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 11 | $200.01 | |
| GlaxoSmithKline, LLC. | 10 | $182.06 | |
| GENZYME CORPORATION | 4 | $124.54 | |
| ANI Pharmaceuticals, Inc. | 3 | $60.88 | |
| SANOFI-AVENTIS U.S. LLC | 1 | $57.48 | |
| Mylan Specialty L.P. | 2 | $49.91 | |
| Actelion Pharmaceuticals US, Inc. | 2 | $39.02 | |
| JAZZ PHARMACEUTICALS INC. | 1 | $36.93 | |
| Baxter Healthcare | 1 | $32.34 | |
| Grifols USA, LLC | 1 | $28.94 | |
| HARMONY BIOSCIENCES LLC | 1 | $25.70 | |
| AstraZeneca Pharmaceuticals LP | 1 | $23.40 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $22.72 | |
| Regeneron Healthcare Solutions, Inc. | 1 | $22.64 | |
| Pulmonx Corporation | 1 | $20.70 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
287
Patients
44
Total drug cost
$96,628
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 76 | 33 | $2,572 |
| Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) | Brand | 31 | 0 | $15,382 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 31 | 0 | $21,439 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 26 | 0 | $13,821 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 23 | 0 | $12,411 |
| Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) | Brand | 17 | 0 | $2,814 |
| Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) | Brand | 17 | 0 | $9,562 |
| Eliquis (Apixaban) | Brand | 16 | 0 | $10,822 |
| Ventolin Hfa (Albuterol Sulfate) | Brand | 14 | 0 | $990 |
| Prednisone | Generic | 13 | 0 | $158 |
Hospital affiliations
Frequently asked questions
What is Dr. John Williams's medical specialty?
Dr. John Williams practices Hospitalist Physician in Austell, GA.
Where does Dr. John Williams practice?
Dr. John Williams practices at 1664 Mulkey RD, Austell, GA 301061114. Office phone: 7704221372.
What is Dr. John Williams's NPI?
Dr. John Williams's National Provider Identifier (NPI) is 1841467198, issued by NPPES.
Does Dr. John Williams accept Medicare assignment?
Yes. Dr. John Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Williams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.