DANIEL O SIEGEL (MD) – Gastroenterology Physician, NPI 1174518344
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,994 INTERNAL MEDICINE in CO
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Provider Addresses for DANIEL O SIEGEL (MD)
4500, East 9th Avenue, Denver, Colorado, 80220, United States
#720 S
DENVER, CO 80220
Phone: (303) 355-3525
Fax: (303) 355-0255
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 114 Open Payments records for all available years, with a total value of $1,871.
Total Amount is formed as General ($1,871) + Research ($0) + Ownership ($0) = $1,871.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: ABBVIE INC. ($682).
Total Amount
$1,871
General + Research + Ownership
Payments
114
Total payment records
General Amount
$1,871
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
2
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-09-01
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050901000546 | I | Internal Medicine | CO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 215 | 152 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 159 | 132 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 148 | 145 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 90 | 88 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 64 | 63 | $0 |
Insurance plans in this area (ZIP 80220)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Gastroenterology | MI | |
| - | CO | |
| Gastroenterology, Internal Medicine | CO | |
| Certified Registered Nurse Anesthetist (Crna) | WI | |
| G A S T R O E N T E R O L O G Y | CO | |
| Gastroenterology, Internal Medicine | CO | |
| A N E S T H E S I O L O G Y | CO | |
| Internal Medicine, Gastroenterology | CO | |
| Internal Medicine, Gastroenterology | CO | |
| A N E S T H E S I O L O G Y | CO |
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