Doctor profile · Federal record
Dr. Rachael Mergenmeier, D.O.
Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Saint Peters, MO
- NPI 1518957265
- Accepts Medicare
- 28 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
107 Piper Hill Dr
Saint Peters, MO 633761651
(636) 939-3648 - Mailing address
-
Po Box 776084
Chicago, IL 606776084
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- August 11, 2025
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State licenses (2)
- Missouri #2008011538 · Ohio #34007396
- Medicaid
- OH #2206786
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518957265. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$316
Transactions
6
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 4 | $175.59 | |
| Novo Nordisk Inc | 2 | $140.17 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Rachael Mergenmeier's medical specialty?
Dr. Rachael Mergenmeier practices Family Medicine Physician in Saint Peters, MO.
Where does Dr. Rachael Mergenmeier practice?
Dr. Rachael Mergenmeier practices at 107 Piper Hill Dr, Saint Peters, MO 633761651. Office phone: 6369393648.
What is Dr. Rachael Mergenmeier's NPI?
Dr. Rachael Mergenmeier's National Provider Identifier (NPI) is 1518957265, issued by NPPES.
Does Dr. Rachael Mergenmeier accept Medicare assignment?
Yes. Dr. Rachael Mergenmeier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.