Doctor profile · Federal record
Dr. Jaquelyn Fleckenstein, MD
Gastroenterology Physician (CMS: Gastroenterology) · Saint Louis, MO
- NPI 1386600864
- Accepts Medicare
- MIPS 79.3 / 100 · 2023
- 41 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4921 Parkview Pl, Div Im Gastroenterology, Ste 12B
Saint Louis, MO 631101032
(314) 747-2066
fax (314) 747-7111 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- April 17, 2025
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Missouri #2012005908
- Medicaid
- MO #204999700
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386600864. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
515
Distinct HCPCS
6
Medicare allowed
$46,332
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 196 | 182 | $88 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 158 | 50 | $78 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 49 | 47 | $122 | |
91200 |
Measurement of liver stiffness | 47 | 46 | $30 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 38 | 37 | $126 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 27 | 27 | $165 |
In context: peer comparison
Among 42 peers in Saint Louis Gastroenterology Physician, average services per provider: 60. This provider delivers 8.6× the peer median.Open Payments
Industry payments received
All-time total
$26
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, INC. | 1 | $25.68 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,139
Patients
206
Total drug cost
$424,905
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ursodiol | Generic | 219 | 39 | $46,898 |
| Tacrolimus | Generic | 173 | 28 | $20,084 |
| Furosemide | Generic | 118 | 26 | $387 |
| Spironolactone | Generic | 114 | 31 | $1,782 |
| Omeprazole | Generic | 77 | 20 | $669 |
| Xifaxan (Rifaximin) | Brand | 74 | 14 | $251,376 |
| Vemlidy (Tenofovir Alafenamide) | Brand | 61 | 0 | $88,606 |
| Mycophenolate Mofetil | Generic | 59 | 13 | $3,812 |
| Entecavir | Generic | 45 | 0 | $5,213 |
| Prednisone | Generic | 44 | 11 | $328 |
Hospital affiliations
Frequently asked questions
What is Dr. Jaquelyn Fleckenstein's medical specialty?
Dr. Jaquelyn Fleckenstein practices Gastroenterology Physician in Saint Louis, MO.
Where does Dr. Jaquelyn Fleckenstein practice?
Dr. Jaquelyn Fleckenstein practices at 4921 Parkview Pl, Saint Louis, MO 631101032. Office phone: 3147472066.
What is Dr. Jaquelyn Fleckenstein's NPI?
Dr. Jaquelyn Fleckenstein's National Provider Identifier (NPI) is 1386600864, issued by NPPES.
Does Dr. Jaquelyn Fleckenstein accept Medicare assignment?
Yes. Dr. Jaquelyn Fleckenstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jaquelyn Fleckenstein commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.