Doctor profile · Federal record
Dr. Daniel Siegel, MD
Gastroenterology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Denver, CO
- NPI 1174518344
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4500 E 9Th Ave, #720 S
Denver, CO 80220
(303) 355-3525
fax (303) 355-0255
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- September 11, 2025
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Colorado #35377
- Medicaid
- CO #01353770
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174518344. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
841
Distinct HCPCS
10
Medicare allowed
$111,258
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 215 | 152 | $128 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 159 | 132 | $91 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 148 | 145 | $147 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 90 | 88 | $97 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 64 | 63 | $249 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 56 | 56 | $167 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 30 | 30 | $173 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 23 | 23 | $113 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 17 | 16 | $124 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 14 | 13 | $103 |
In context: peer comparison
Among 21 peers in Denver Gastroenterology Physician, average services per provider: 105. This provider delivers 8.0× the peer median.Open Payments
Industry payments received
All-time total
$860
Transactions
47
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 18 | $270.62 | |
| Gilead Sciences, INC. | 10 | $168.57 | |
| Celltrion USA INC. | 2 | $72.24 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 3 | $55.43 | |
| Lilly USA, LLC | 2 | $47.76 | |
| Celgene Corporation | 2 | $37.53 | |
| Genzyme Corporation | 2 | $31.44 | |
| Ardelyx, INC. | 1 | $27.50 | |
| Regeneron Healthcare Solutions, INC. | 1 | $24.74 | |
| Echosens North America, INC. | 1 | $24.53 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $23.06 | |
| Sandoz INC. | 1 | $20.32 | |
| Fresenius Kabi USA, LLC | 1 | $19.62 | |
| Braintree Laboratories, INC. | 1 | $19.29 | |
| Intercept Pharmaceuticals, INC. | 1 | $17.33 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,371
Patients
477
Total drug cost
$338,170
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Famotidine | Generic | 281 | 84 | $5,641 |
| Omeprazole | Generic | 247 | 71 | $4,211 |
| Pantoprazole Sodium | Generic | 172 | 44 | $2,910 |
| Rabeprazole Sodium | Generic | 124 | 31 | $8,621 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 88 | 87 | $14,996 |
| Esomeprazole Magnesium | Generic | 85 | 39 | $4,669 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 63 | 14 | $27,108 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 51 | 50 | $4,089 |
| Linzess (Linaclotide) | Brand | 47 | 12 | $39,347 |
| Lansoprazole | Generic | 40 | 14 | $924 |
Hospital affiliations
Frequently asked questions
What is Dr. Daniel Siegel's medical specialty?
Dr. Daniel Siegel practices Gastroenterology Physician in Denver, CO.
Where does Dr. Daniel Siegel practice?
Dr. Daniel Siegel practices at 4500 E 9Th Ave, Denver, CO 80220. Office phone: 3033553525.
What is Dr. Daniel Siegel's NPI?
Dr. Daniel Siegel's National Provider Identifier (NPI) is 1174518344, issued by NPPES.
Does Dr. Daniel Siegel accept Medicare assignment?
Yes. Dr. Daniel Siegel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Siegel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.