Doctor profile · Federal record
Dr. William Walker, MD
Pulmonary Disease Physician · Anderson, SC
- NPI 1700889904
- 21 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2000 East Greenville St, Suite 1100
Anderson, SC 296211714
(864) 225-5667
fax (864) 716-6746
Credentials & registration
- NPI registered
- May 2005 — 21 yrs on file
- Profile last updated
- August 19, 2011
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- South Carolina #7835
- Medicaid (3)
- GA #000087326D · SC #GP4557 · SC #078356
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700889904. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
985
Distinct HCPCS
10
Medicare allowed
$88,370
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 326 | 95 | $76 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 208 | 104 | $85 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 159 | 86 | $120 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 73 | 37 | $114 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 42 | 41 | $168 | |
94729 |
Test to examine how well the lungs exchange gases | 30 | 30 | $9 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 25 | 25 | $10 | |
94726 |
Test to determine lung volumes using sensors | 23 | 23 | $12 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 21 | 19 | $126 | |
31624 |
Irrigation and suction of lung airways to obtain cells using an endoscope | 19 | 17 | $104 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 117. This provider delivers 8.4× the peer median.Open Payments
Industry payments received
All-time total
$507
Transactions
29
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 7 | $112.41 | |
| AstraZeneca Pharmaceuticals LP | 4 | $77.65 | |
| Electromed, Inc. | 8 | $76.15 | |
| Regeneron Healthcare Solutions, Inc. | 2 | $66.49 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 2 | $51.37 | |
| Neurocrine Biosciences, Inc. | 1 | $27.91 | |
| Inspire Medical Systems, Inc. | 1 | $24.21 | |
| Amgen Inc. | 1 | $20.79 | |
| Merck Sharp & Dohme LLC | 1 | $20.27 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $15.95 | |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | 1 | $14.06 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
809
Patients
193
Total drug cost
$308,825
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 203 | 34 | $176,025 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 150 | 43 | $7,148 |
| Prednisone | Generic | 73 | 47 | $331 |
| Azithromycin | Generic | 53 | 33 | $1,016 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 52 | 14 | $28,028 |
| Dulera (Mometasone/Formoterol) | Brand | 35 | 0 | $13,574 |
| Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) | Brand | 34 | 0 | $24,827 |
| Zolpidem Tartrate | Generic | 33 | 0 | $206 |
| Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) | Brand | 28 | 0 | $19,078 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 27 | 0 | $23,409 |
Frequently asked questions
What is Dr. William Walker's medical specialty?
Dr. William Walker practices Pulmonary Disease Physician in Anderson, SC.
Where does Dr. William Walker practice?
Dr. William Walker practices at 2000 East Greenville St, Anderson, SC 296211714. Office phone: 8642255667.
What is Dr. William Walker's NPI?
Dr. William Walker's National Provider Identifier (NPI) is 1700889904, issued by NPPES.
What procedures does Dr. William Walker commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.