Doctor profile · Federal record
Dr. Sian Chisholm, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Fleming Island, FL
- NPI 1346392800
- Accepts Medicare
- MIPS 77.2 / 100 · 2023
- 22 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1747 Baptist Clay Dr Ste 300
Fleming Island, FL 320038503
(904) 214-8100
fax (904) 214-8109 - Mailing address
-
4800 Belfort RD
Jacksonville, FL 322566004
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- August 10, 2022
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Florida #ME99207
- Medicaid (2)
- GA #460003010B · FL #2784629-00
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346392800. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,055
Distinct HCPCS
10
Medicare allowed
$134,112
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 167 | 135 | $124 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 145 | 90 | $120 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 122 | 120 | $119 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 105 | 103 | $175 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 99 | 78 | $79 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 92 | 89 | $77 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 70 | 69 | $251 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 61 | 58 | $88 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 53 | 52 | $130 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 44 | 44 | $167 |
In context: peer comparison
Among 2 peers in Fleming Island Gastroenterology Physician, average services per provider: 88. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$35
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 1 | $18.93 | |
| Pfizer INC. | 1 | $16.29 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
572
Patients
167
Total drug cost
$124,350
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 248 | 90 | $3,481 |
| Omeprazole | Generic | 65 | 23 | $1,253 |
| Linzess (Linaclotide) | Brand | 43 | 13 | $45,793 |
| Sucralfate | Generic | 40 | 19 | $862 |
| Famotidine | Generic | 27 | 11 | $353 |
| Lubiprostone | Generic | 24 | 0 | $6,149 |
| Creon (Lipase/Protease/Amylase) | Brand | 23 | 0 | $50,147 |
| Colestipol Hcl | Generic | 19 | 0 | $2,286 |
| Ondansetron Odt (Ondansetron) | Brand | 16 | 0 | $155 |
| Esomeprazole Magnesium | Generic | 12 | 0 | $337 |
Hospital affiliations
Frequently asked questions
What is Dr. Sian Chisholm's medical specialty?
Dr. Sian Chisholm practices Gastroenterology Physician in Fleming Island, FL.
Where does Dr. Sian Chisholm practice?
Dr. Sian Chisholm practices at 1747 Baptist Clay Dr Ste 300, Fleming Island, FL 320038503. Office phone: 9042148100.
What is Dr. Sian Chisholm's NPI?
Dr. Sian Chisholm's National Provider Identifier (NPI) is 1346392800, issued by NPPES.
Does Dr. Sian Chisholm accept Medicare assignment?
Yes. Dr. Sian Chisholm accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sian Chisholm commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.