Doctor profile · Federal record
Dr. Siddharth Mathur, MD
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Crystal River, FL
- NPI 1578728986
- Accepts Medicare
- MIPS 94.2 / 100 · 2023
- 26 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
6410 W Gulf to Lake Hwy
Crystal River, FL 344297622
(352) 563-2450
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- February 18, 2014
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Florida #ME112492 · New York #003163
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578728986. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,357
Distinct HCPCS
10
Medicare allowed
$373,866
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 731 | 313 | $70 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 519 | 371 | $90 | |
88313 |
Special stained specimen slides to examine tissue including interpretation and report | 249 | 156 | $79 | |
88312 |
Special stained specimen slides to identify organisms including interpretation and report | 245 | 142 | $108 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 219 | 214 | $97 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 194 | 164 | $127 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 174 | 109 | $120 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 145 | 145 | $255 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 140 | 140 | $112 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 134 | 133 | $175 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 161. This provider delivers 21× the peer median.Open Payments
Industry payments received
All-time total
$76,704
Transactions
179
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Phathom Pharmaceuticals, Inc. | 108 | $74,922.98 | |
| ABBVIE INC. | 16 | $279.94 | |
| Janssen Biotech, Inc. | 7 | $195.07 | |
| Ipsen Biopharmaceuticals, Inc | 7 | $190.13 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 9 | $183.98 | |
| Madrigal Pharmaceuticals | 3 | $166.55 | |
| GENZYME CORPORATION | 2 | $153.18 | |
| Celgene Corporation | 10 | $140.94 | |
| Lilly USA, LLC | 4 | $92.45 | |
| Boston Scientific Corporation | 2 | $67.68 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 3 | $49.54 | |
| AIMMUNE THERAPEUTICS, INC. | 3 | $44.52 | |
| Enterra Medical, Inc. | 1 | $34.70 | |
| Ferring Pharmaceuticals Inc. | 2 | $33.35 | |
| PFIZER INC. | 2 | $30.82 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,416
Patients
845
Total drug cost
$161,982
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 364 | 358 | $63,942 |
| Omeprazole | Generic | 309 | 140 | $6,555 |
| Famotidine | Generic | 163 | 69 | $3,637 |
| Pantoprazole Sodium | Generic | 124 | 49 | $2,766 |
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 81 | 78 | $1,623 |
| Sucralfate | Generic | 69 | 27 | $1,508 |
| Linzess (Linaclotide) | Brand | 48 | 11 | $44,408 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 47 | 46 | $1,058 |
| Mesalamine | Generic | 41 | 0 | $28,198 |
| Colestipol Hcl | Generic | 38 | 19 | $2,850 |
Hospital affiliations
Frequently asked questions
What is Dr. Siddharth Mathur's medical specialty?
Dr. Siddharth Mathur practices Gastroenterology Physician in Crystal River, FL.
Where does Dr. Siddharth Mathur practice?
Dr. Siddharth Mathur practices at 6410 W Gulf to Lake Hwy, Crystal River, FL 344297622. Office phone: 3525632450.
What is Dr. Siddharth Mathur's NPI?
Dr. Siddharth Mathur's National Provider Identifier (NPI) is 1578728986, issued by NPPES.
Does Dr. Siddharth Mathur accept Medicare assignment?
Yes. Dr. Siddharth Mathur accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Siddharth Mathur commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Established patient office or other outpatient visit (HCPCS 99213); Special stained specimen slides to examine tissue including interpretation and report (HCPCS 88313). Source: CMS Medicare Physician & Other Practitioners file.