Doctor profile · Federal record
Dr. Thomas Mastri, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Fredericksburg, VA
- NPI 1073566642
- Accepts Medicare
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2601 Fall Hill Ave
Fredericksburg, VA 224013323
(504) 371-9696
fax (540) 899-3805
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- January 31, 2014
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Virginia #0101228933
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1073566642. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,488
Distinct HCPCS
10
Medicare allowed
$185,657
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 351 | 241 | $124 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 202 | 196 | $85 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 186 | 184 | $242 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 176 | 174 | $90 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 103 | 101 | $169 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 89 | 59 | $77 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 69 | 69 | $157 | |
91200 |
Measurement of liver stiffness | 64 | 64 | $10 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 58 | 40 | $116 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 55 | 54 | $88 |
In context: peer comparison
Among 7 peers in Fredericksburg Gastroenterology Physician, average services per provider: 71. This provider delivers 21× the peer median.Open Payments
Industry payments received
All-time total
$568
Transactions
28
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 6 | $103.02 | |
| Takeda Pharmaceuticals U.S.A., INC. | 4 | $77.11 | |
| Genzyme Corporation | 2 | $61.40 | |
| Celltrion USA INC. | 2 | $49.02 | |
| Ipsen Biopharmaceuticals, INC | 2 | $46.67 | |
| Ardelyx, INC. | 3 | $42.38 | |
| Boston Scientific Corporation | 1 | $36.62 | |
| Gilead Sciences, INC. | 1 | $26.26 | |
| Merck Sharp & Dohme LLC | 1 | $25.24 | |
| Qol Medical, LLC | 1 | $22.34 | |
| Sandoz INC. | 1 | $18.36 | |
| Janssen Biotech, INC. | 1 | $16.85 | |
| Evoke Pharma, INC. | 1 | $14.64 | |
| Endogastric Solutions, INC | 1 | $14.12 | |
| Celgene Corporation | 1 | $13.91 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
962
Patients
300
Total drug cost
$167,645
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 286 | 91 | $5,667 |
| Famotidine | Generic | 221 | 72 | $4,343 |
| Omeprazole | Generic | 210 | 64 | $3,442 |
| Linzess (Linaclotide) | Brand | 52 | 12 | $37,498 |
| Esomeprazole Magnesium | Generic | 46 | 11 | $4,127 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 38 | 35 | $2,945 |
| Ondansetron Hcl | Generic | 31 | 15 | $745 |
| Sucralfate | Generic | 21 | 0 | $2,471 |
| Colestipol Hcl | Generic | 18 | 0 | $2,394 |
| Ondansetron Odt (Ondansetron) | Brand | 14 | 0 | $475 |
Frequently asked questions
What is Dr. Thomas Mastri's medical specialty?
Dr. Thomas Mastri practices Gastroenterology Physician in Fredericksburg, VA.
Where does Dr. Thomas Mastri practice?
Dr. Thomas Mastri practices at 2601 Fall Hill Ave, Fredericksburg, VA 224013323. Office phone: 5043719696.
What is Dr. Thomas Mastri's NPI?
Dr. Thomas Mastri's National Provider Identifier (NPI) is 1073566642, issued by NPPES.
Does Dr. Thomas Mastri accept Medicare assignment?
Yes. Dr. Thomas Mastri accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Mastri commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.