Daniel A. Flappan, DO
NPI 1588123657ActiveIndividual· Anesthesiology· Saint Louis, MO
Anesthesiology (DO) with Missouri Baptist Medical Center, practicing in Saint Louis, Missouri. Their prescriptions cost Medicare Part D more than their services did: $8,793 for 207 claims, against $985.07 paid for services in 2024. Heron Therapeutics, Inc. was the largest of 2 companies reporting payments in 2025, $55.04 in all, mostly food and beverage. Lists Missouri Baptist Medical Center as a hospital affiliation.
Overview
| NPI | 1588123657 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 18, 2019 |
| Last updated in NPPES | Aug 29, 2024 |
| Certified by provider | Aug 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 2023037897 | MO |
| Anesthesiology | 207L00000X | DO-06342 | IA |
| Anesthesiology, Pain Medicine | 207LP2900X | DO-06342 | IA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Anesthesiology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 15 across 6 procedure codes |
| Paid by Medicare | $985.07 |
Part D prescriptions in 2024
| Prescriptions (claims) | 207 · 267 30-day fills |
|---|---|
| Patients | 76 |
| Total drug cost | $8,793 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Anesthesiology |
Medical group
- Missouri Baptist Medical CenterSaint Louis, MO · 124 clinicians
Hospital affiliation
- Missouri Baptist Medical CenterSaint Louis, MO
Industry payments (Open Payments)
- 2025$55.04 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heron Therapeutics, Inc. | $38.23 | 2 |
| Chiesi USA, Inc. | $16.81 | 1 |
What the 2025 payments were for
- Food and Beverage$55.04 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 525 anesthesiologists in Saint Louis · All anesthesiologists in Missouri