Doctor profile · Federal record
Dr. Alex Williams, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Norfolk, VA
- NPI 1548269483
- Accepts Medicare
- MIPS 91.8 / 100 · 2023
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
400 Gresham Dr, Suite 303
Norfolk, VA 235071901
(757) 627-6416
fax (757) 627-3709
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- October 26, 2012
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Virginia #0101230616
- Medicaid
- VA #5857261
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548269483. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
786
Distinct HCPCS
10
Medicare allowed
$154,529
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 113 | 98 | $123 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 72 | 70 | $88 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 48 | 48 | $155 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 46 | 45 | $91 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 41 | 41 | $91 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 38 | 38 | $323 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 37 | 37 | $325 | |
91110 |
Imaging of digestive tract done from the inside of the digestive tract | 35 | 35 | $737 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 34 | 34 | $244 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 34 | 34 | $421 |
In context: peer comparison
Among 6 peers in Norfolk Gastroenterology Physician, average services per provider: 48. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$1,319
Transactions
60
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 19 | $406.73 | |
| Takeda Pharmaceuticals U.S.A., INC. | 12 | $187.44 | |
| Phathom Pharmaceuticals, INC. | 1 | $121.44 | |
| Daiichi Sankyo INC. | 4 | $105.62 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 5 | $98.08 | |
| Regeneron Healthcare Solutions, INC. | 3 | $81.04 | |
| Janssen Biotech, INC. | 3 | $68.96 | |
| Ardelyx, INC. | 3 | $58.62 | |
| Celgene Corporation | 3 | $56.50 | |
| Celltrion USA INC. | 2 | $36.35 | |
| Pfizer INC. | 2 | $33.03 | |
| Merck Sharp & Dohme LLC | 1 | $26.77 | |
| Madrigal Pharmaceuticals | 1 | $22.11 | |
| Medtronic, INC. | 1 | $16.54 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
586
Patients
283
Total drug cost
$31,573
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Famotidine | Generic | 173 | 64 | $4,200 |
| Pantoprazole Sodium | Generic | 118 | 49 | $1,956 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 85 | 84 | $1,955 |
| Dicyclomine Hcl | Generic | 59 | 19 | $966 |
| Omeprazole | Generic | 45 | 16 | $1,065 |
| Ondansetron Odt (Ondansetron) | Brand | 29 | 19 | $1,311 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 19 | 19 | $298 |
| Linzess (Linaclotide) | Brand | 17 | 0 | $17,380 |
| Metoclopramide Hcl | Generic | 17 | 0 | $158 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 13 | 13 | $2,170 |
Hospital affiliations
Frequently asked questions
What is Dr. Alex Williams's medical specialty?
Dr. Alex Williams practices Gastroenterology Physician in Norfolk, VA.
Where does Dr. Alex Williams practice?
Dr. Alex Williams practices at 400 Gresham Dr, Norfolk, VA 235071901. Office phone: 7576276416.
What is Dr. Alex Williams's NPI?
Dr. Alex Williams's National Provider Identifier (NPI) is 1548269483, issued by NPPES.
Does Dr. Alex Williams accept Medicare assignment?
Yes. Dr. Alex Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alex Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.