Doctor profile · Federal record
Dr. Alex Sieg, MD
Internal Medicine Physician (CMS: Hematology) · Davenport, IA
- NPI 1417449570
- Accepts Medicare
- 8 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1401 W Central Park Ave
Davenport, IA 528041707
(563) 421-1900 - Additional location
-
200 Hawkins Dr
Iowa City, IA 522421009
(563) 676-1528 - Mailing address
-
1351 W Central Park Ave Ste 4100
Davenport, IA 528041847
Credentials & registration
- NPI registered
- June 2018 — 8 yrs on file
- Profile last updated
- July 22, 2024
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Iowa #MD-48607
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417449570. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$1,562
Transactions
40
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Myriad Genetic Laboratories, Inc. | 1 | $312.50 | |
| ABBVIE INC. | 4 | $189.46 | |
| Janssen Biotech, Inc. | 8 | $165.32 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 2 | $117.99 | |
| Genmab U.S., Inc. | 2 | $109.79 | |
| Regeneron Healthcare Solutions, Inc. | 1 | $98.43 | |
| Novartis Pharmaceuticals Corporation | 4 | $80.90 | |
| Astellas Pharma US Inc | 3 | $58.23 | |
| Daiichi Sankyo Inc. | 3 | $52.72 | |
| Ipsen Biopharmaceuticals, Inc | 3 | $49.49 | |
| Bayer Healthcare Pharmaceuticals Inc. | 2 | $37.29 | |
| Exelixis Inc. | 2 | $35.51 | |
| E.R. Squibb & Sons, L.L.C. | 2 | $33.64 | |
| Lilly USA, LLC | 2 | $31.11 | |
| Blueprint Medicines Corporation | 1 | $23.71 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Alex Sieg's medical specialty?
Dr. Alex Sieg practices Internal Medicine Physician in Davenport, IA.
Where does Dr. Alex Sieg practice?
Dr. Alex Sieg practices at 1401 W Central Park Ave, Davenport, IA 528041707. Office phone: 5634211900.
What is Dr. Alex Sieg's NPI?
Dr. Alex Sieg's National Provider Identifier (NPI) is 1417449570, issued by NPPES.
Does Dr. Alex Sieg accept Medicare assignment?
Yes. Dr. Alex Sieg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.