Allison Claire Flammang, D.O.
NPI 1154760163ActiveIndividual· Family Medicine· Creve Coeur, MO
Family Medicine (D.O.) with Aging Well Health Care, LLC and 2 other groups, practicing in Creve Coeur, Missouri. Their prescriptions cost Medicare Part D more than their services did: $420,160 for 5,150 claims, against $29,698 paid for services in 2024. Abbvie Inc. was the largest of 21 companies reporting payments in 2025, $2,405 in all, mostly food and beverage. Lists Mercy Hospital St Louis and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1154760163 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 24, 2013 |
| Last updated in NPPES | Aug 3, 2020 |
| Certified by provider | Aug 3, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 2016014433 | MO |
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 - Family Practice (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 112 |
|---|---|
| Services billed | 415 across 27 procedure codes |
| Paid by Medicare | $29,698 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,150 · 11,370 30-day fills |
|---|---|
| Patients | 387 |
| Total drug cost | $420,160 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Family Practice |
Medical groups
- Aging Well Health Care, LLCSaint Louis, MO · 238 clinicians
- Elite Physical Therapy of Creve Coeur LLCCreve Coeur, MO · 91 clinicians
- Creve Coeur Family Medicine LLCCreve Coeur, MO · 4 clinicians
Hospital affiliations
- Mercy Hospital St LouisSaint Louis, MO
- Missouri Baptist Medical CenterSaint Louis, MO
- St Lukes HospitalChesterfield, MO
Other facilities
- St Luke's Home Health ServicesHome health agency · Chesterfield, MO
- Ssm Health Rehabilitation HospitalInpatient rehabilitation facility · Richmond Heights, MO
Industry payments (Open Payments)
- 2025$2,405 · 136 payments from 21 companies
- 2024$1,258 · 88 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $404.40 | 25 |
| Astrazeneca Pharmaceuticals LP | $304.99 | 21 |
| Pfizer Inc. | $256.64 | 16 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $209.54 | 10 |
| Novo Nordisk Inc | $189.47 | 11 |
What the 2025 payments were for
- Food and Beverage$2,405 · 136 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 family medicine physicians in Creve Coeur · All family medicine physicians in Missouri