Doctor profile · Federal record
Dr. John Long, MD
Gastroenterology Physician (CMS: Gastroenterology) · Williamsburg, VA
- NPI 1386619393
- Accepts Medicare
- MIPS 94.1 / 100 · 2023
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
457 McLaws Cir
Williamsburg, VA 231855645
(757) 221-0750
fax (757) 229-5168 - Mailing address
-
856 J Clyde Morris Blvd, Suite A
Newport News, VA 236011318
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- December 19, 2014
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Virginia #0101234912
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386619393. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
940
Distinct HCPCS
10
Medicare allowed
$140,128
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45380 |
Biopsy of large bowel using a flexible endoscope | 191 | 191 | $169 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 124 | 123 | $112 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 111 | 111 | $245 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 109 | 109 | $175 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 92 | 91 | $123 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 81 | 71 | $64 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 77 | 77 | $174 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 52 | 51 | $159 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 31 | 31 | $132 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 23 | 23 | $96 |
In context: peer comparison
Among 2 peers in Williamsburg Gastroenterology Physician, average services per provider: 49. This provider delivers 19× the peer median.Open Payments
Industry payments received
All-time total
$812
Transactions
28
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Takeda Pharmaceuticals U.S.A., INC. | 5 | $209.15 | |
| Janssen Biotech, INC. | 5 | $185.66 | |
| Abbvie INC. | 6 | $116.86 | |
| Exact Sciences Corporation | 1 | $72.38 | |
| Ardelyx, INC. | 3 | $41.15 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 2 | $37.57 | |
| Aimmune Therapeutics, INC. | 1 | $33.30 | |
| Celltrion USA INC. | 1 | $28.01 | |
| Phathom Pharmaceuticals, INC. | 1 | $25.85 | |
| Merck Sharp & Dohme LLC | 1 | $21.40 | |
| Ironwood Pharmaceuticals, INC | 1 | $20.58 | |
| Regeneron Healthcare Solutions, INC. | 1 | $19.61 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
375
Patients
110
Total drug cost
$15,624
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 98 | 25 | $864 |
| Omeprazole | Generic | 76 | 20 | $1,186 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 47 | 47 | $830 |
| Budesonide Ec (Budesonide) | Brand | 22 | 0 | $2,578 |
| Budesonide Dr (Budesonide) | Brand | 18 | 0 | $2,225 |
| Dicyclomine Hcl | Generic | 18 | 0 | $583 |
| Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 18 | 18 | $282 |
| Mesalamine ER (Mesalamine) | Brand | 16 | 0 | $3,280 |
| Esomeprazole Magnesium | Generic | 14 | 0 | $1,330 |
| Famotidine | Generic | 14 | 0 | $169 |
Frequently asked questions
What is Dr. John Long's medical specialty?
Dr. John Long practices Gastroenterology Physician in Williamsburg, VA.
Where does Dr. John Long practice?
Dr. John Long practices at 457 McLaws Cir, Williamsburg, VA 231855645. Office phone: 7572210750.
What is Dr. John Long's NPI?
Dr. John Long's National Provider Identifier (NPI) is 1386619393, issued by NPPES.
Does Dr. John Long accept Medicare assignment?
Yes. Dr. John Long accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Long commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43235); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.