Doctor profile · Federal record
Dr. Robert Siegel, MD
Medical Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Alton, IL
- NPI 1518901545
- Accepts Medicare
- 45 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Memorial Dr, Div Medical Oncology
Alton, IL 620026722
(800) 647-2098
fax (314) 362-3192 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- April 21, 2025
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- Missouri #2022039164
- Medicaid
- MO #200117630
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518901545. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
555
Distinct HCPCS
9
Medicare allowed
$55,159
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 178 | 155 | $80 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 149 | 119 | $113 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 108 | 80 | $93 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 37 | 36 | $63 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 24 | 24 | $134 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 20 | 12 | $77 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 13 | 13 | $206 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 13 | 12 | $160 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 13 | 13 | $169 |
In context: peer comparison
Among 1 peers in Alton Medical Oncology Physician, average services per provider: 61. This provider delivers 9.1× the peer median.Open Payments
Industry payments received
All-time total
$122
Transactions
6
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 1 | $28.91 | |
| Adc Therapeutics America, INC. | 1 | $21.51 | |
| Incyte Corporation | 1 | $20.36 | |
| BeiGene USA, INC. | 1 | $18.94 | |
| Daiichi Sankyo INC. | 1 | $16.17 | |
| Tempus Ai, INC | 1 | $16.06 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
251
Patients
87
Total drug cost
$71,432
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydroxyurea | Generic | 35 | 15 | $1,461 |
| Anastrozole | Generic | 31 | 17 | $715 |
| Eliquis (Apixaban) | Brand | 29 | 12 | $22,808 |
| Ondansetron Hcl | Generic | 22 | 17 | $259 |
| Prednisone | Generic | 22 | 13 | $114 |
| Imatinib Mesylate | Generic | 17 | 0 | $26,726 |
| Tamoxifen Citrate | Generic | 16 | 0 | $597 |
| Letrozole | Generic | 15 | 0 | $278 |
| Prochlorperazine Maleate | Generic | 15 | 0 | $245 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 14 | 13 | $457 |
Hospital affiliations
Frequently asked questions
What is Dr. Robert Siegel's medical specialty?
Dr. Robert Siegel practices Medical Oncology Physician in Alton, IL.
Where does Dr. Robert Siegel practice?
Dr. Robert Siegel practices at 1 Memorial Dr, Alton, IL 620026722. Office phone: 8006472098.
What is Dr. Robert Siegel's NPI?
Dr. Robert Siegel's National Provider Identifier (NPI) is 1518901545, issued by NPPES.
Does Dr. Robert Siegel accept Medicare assignment?
Yes. Dr. Robert Siegel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Siegel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.