Doctor profile · Federal record
Dr. Gregory Bills, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · West Columbia, SC
- NPI 1568856441
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
131 Summerplace Dr
West Columbia, SC 291693058
(803) 794-4585
fax (803) 796-8924 - Additional location
-
11 Gateway Corners Park
Columbia, SC 292038902
(803) 462-2300
fax (803) 462-0375
Credentials & registration
- NPI registered
- March 2015 — 11 yrs on file
- Profile last updated
- July 29, 2025
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- South Carolina #90475
- Medicaid
- SC #904757
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1568856441. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
538
Distinct HCPCS
10
Medicare allowed
$50,751
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 94 | 59 | $75 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 67 | 24 | $31 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 63 | 63 | $79 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 50 | 50 | $95 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 44 | 44 | $99 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 38 | 38 | $123 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 38 | 26 | $47 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 30 | 30 | $237 | |
99202 |
New patient office or other outpatient visit, 15-29 minutes | 27 | 27 | $68 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 21 | 21 | $92 |
In context: peer comparison
Among 5 peers in West Columbia Gastroenterology Physician, average services per provider: 115. This provider delivers 4.7× the peer median.Open Payments
Industry payments received
All-time total
$801
Transactions
52
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 24 | $285.63 | |
| Merck Sharp & Dohme LLC | 6 | $113.39 | |
| Celgene Corporation | 4 | $61.87 | |
| Takeda Pharmaceuticals U.S.A., INC. | 3 | $56.63 | |
| Ironwood Pharmaceuticals, INC | 3 | $50.55 | |
| Regeneron Healthcare Solutions, INC. | 2 | $42.51 | |
| Aimmune Therapeutics, INC. | 2 | $33.31 | |
| Madrigal Pharmaceuticals | 1 | $23.76 | |
| Medtronic, INC. | 1 | $22.67 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 1 | $19.89 | |
| Qol Medical, LLC | 1 | $17.83 | |
| Genzyme Corporation | 1 | $16.36 | |
| Lilly USA, LLC | 1 | $16.11 | |
| Celltrion USA INC. | 1 | $14.49 | |
| Janssen Biotech, INC. | 1 | $13.35 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
79
Patients
71
Total drug cost
$1,766
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 25 | 18 | $470 |
| Levofloxacin | Generic | 21 | 20 | $51 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 20 | 20 | $335 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 13 | 13 | $909 |
Hospital affiliations
Frequently asked questions
What is Dr. Gregory Bills's medical specialty?
Dr. Gregory Bills practices Gastroenterology Physician in West Columbia, SC.
Where does Dr. Gregory Bills practice?
Dr. Gregory Bills practices at 131 Summerplace Dr, West Columbia, SC 291693058. Office phone: 8037944585.
What is Dr. Gregory Bills's NPI?
Dr. Gregory Bills's National Provider Identifier (NPI) is 1568856441, issued by NPPES.
Does Dr. Gregory Bills accept Medicare assignment?
Yes. Dr. Gregory Bills accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Bills commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.