Internal Medicine, Gastroenterology · Saint Louis, MO
NPI
1386600864
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
4921 Parkview Pl, Div Im Gastroenterology, Ste 12b
Saint Louis, MO, 63110
Phone (314) 747-2066
Groups this clinician bills Medicare through
Medicare paid, 2024
$32K
448 services
Medicare patients, 2024
279
Average age 68
Drug cost, 2024
$656K
1,519 prescriptions
Company payments, 2025
$30.48
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Jaquelyn F Fleckenstein was code 99213 (office e&m - established), 154 times for 148 patients. In total Jaquelyn F Fleckenstein billed 448 services in 24 codes, and Medicare paid $32K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-04-17.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 154 | 148 | $59.35 | $9,140 |
| 99232 Hospital E&M - Subsequent | Facility | 74 | 27 | $59.13 | $4,375 |
| 99214 Office E&M - Established | Office | 57 | 55 | $93.18 | $5,311 |
| 91200 Standard X-ray | Office | 41 | 41 | $15.88 | $651 |
| 99222 Hospital E&M - Initial | Facility | 19 | 19 | $99.24 | $1,885 |
| 99204 Office E&M - New | Office | 17 | 17 | $111.89 | $1,902 |
| 99223 Hospital E&M - Initial | Facility | 13 | 12 | $127.65 | $1,659 |
| 99442 Telephone Services | Office | 12 | 12 | $63.48 | $762 |
| 43235 Upper GI Endoscopy | Facility | 11 | 11 | $72.22 | $794 |
By year: 2022 $44K for 618 services; 2023 $40K for 578 services; 2024 $32K for 448 services.
Medicare prescription drug claims, 2024
In 2024, the drug Jaquelyn F Fleckenstein prescribed most often to Medicare patients was Ursodiol, with 248 prescriptions and refills. In total Jaquelyn F Fleckenstein wrote 1,519 Medicare prescriptions that cost $656K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Ursodiol Generic | 248 | 362 | 40 | $31K |
| Tacrolimus Generic | 163 | 277 | 29 | $16K |
| Spironolactone Generic | 140 | 228 | 40 | $1,423 |
| Furosemide Generic | 140 | 183 | 28 | $439 |
| Carvedilol Generic | 73 | 121 | 18 | $254 |
| Mycophenolate Mofetil Generic | 72 | 144 | 18 | $4,962 |
| Vemlidy Tenofovir Alafenamide | 69 | 71 | Under 11 | $102K |
| Omeprazole Generic | 65 | 101 | 15 | $442 |
| Xifaxan Rifaximin | 63 | 63 | 13 | $209K |
| Prednisone Generic | 45 | 59 | 11 | $279 |
| Envarsus Xr Tacrolimus | 41 | 47 | Under 11 | $28K |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 40 | 40 | 40 | $550 |
| Mercaptopurine Generic | 35 | 61 | Under 11 | $1,969 |
| Entecavir Generic | 30 | 42 | Under 11 | $4,228 |
| Pantoprazole Sodium Generic | 29 | 77 | 11 | $388 |
Brand drugs: - claims; generic drugs: 1,245 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Jaquelyn F Fleckenstein $30.48 ($30.48 in general payments such as food, travel and fees) from 1 company. The largest payer was Gilead Sciences, Inc. with $30.48.
| Company | Payments | Amount |
|---|---|---|
| Gilead Sciences, Inc. GILD | 1 | $30.48 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.