Doctor profile · Federal record
Dr. Diane Williams, MD
Gastroenterology Physician (CMS: Gastroenterology) · Pinehurst, NC
- NPI 1598700767
- Accepts Medicare
- 39 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
15 Regional Dr
Pinehurst, NC 283748850
(910) 295-9207
fax (910) 235-3432 - Mailing address
-
205 Page RD
Pinehurst, NC 283748798
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- January 25, 2018
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- North Carolina #38656
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598700767. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
14,241
Distinct HCPCS
10
Medicare allowed
$189,224
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1439 |
Injection, ferric carboxymaltose, 1 mg | 9,750 | 13 | $1 | |
J3380 |
Injection, vedolizumab, 1 mg | 3,600 | 11 | $22 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 128 | 128 | $242 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 120 | 96 | $87 | |
36415 |
Insertion of needle into vein for collection of blood sample | 71 | 46 | $8 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 69 | 69 | $105 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 63 | 48 | $122 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 53 | 53 | $107 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 50 | 50 | $104 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 44 | 44 | $176 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 680. This provider delivers 21× the peer median.Open Payments
Industry payments received
All-time total
$1,079
Transactions
43
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 18 | $476.88 | |
| Phathom Pharmaceuticals, Inc. | 3 | $174.13 | |
| IRONWOOD PHARMACEUTICALS, INC | 3 | $59.51 | |
| Janssen Biotech, Inc. | 2 | $58.60 | |
| Lilly USA, LLC | 3 | $43.76 | |
| Regeneron Healthcare Solutions, Inc. | 2 | $37.69 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 2 | $35.24 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 2 | $32.54 | |
| Celgene Corporation | 2 | $30.14 | |
| Ipsen Biopharmaceuticals, Inc | 1 | $29.30 | |
| Fresenius Kabi USA, LLC | 1 | $27.60 | |
| Madrigal Pharmaceuticals | 1 | $25.70 | |
| Merck Sharp & Dohme LLC | 1 | $20.41 | |
| GlaxoSmithKline, LLC. | 1 | $13.98 | |
| QOL Medical, LLC | 1 | $13.95 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
596
Patients
364
Total drug cost
$140,648
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 259 | 256 | $6,647 |
| Esomeprazole Magnesium | Generic | 54 | 16 | $1,559 |
| Omeprazole | Generic | 54 | 15 | $1,045 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 28 | 27 | $2,190 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 27 | 26 | $571 |
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 24 | 24 | $453 |
| Pantoprazole Sodium | Generic | 24 | 0 | $332 |
| Budesonide Dr (Budesonide) | Brand | 20 | 0 | $4,242 |
| Mesalamine | Generic | 20 | 0 | $9,816 |
| Sucralfate | Generic | 17 | 0 | $1,158 |
Frequently asked questions
What is Dr. Diane Williams's medical specialty?
Dr. Diane Williams practices Gastroenterology Physician in Pinehurst, NC.
Where does Dr. Diane Williams practice?
Dr. Diane Williams practices at 15 Regional Dr, Pinehurst, NC 283748850. Office phone: 9102959207.
What is Dr. Diane Williams's NPI?
Dr. Diane Williams's National Provider Identifier (NPI) is 1598700767, issued by NPPES.
Does Dr. Diane Williams accept Medicare assignment?
Yes. Dr. Diane Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diane Williams commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, vedolizumab, 1 mg (HCPCS J3380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.