SAMUEL T AHN (MD) – Vascular & Interventional Radiology Physician, NPI 1942286661
Vascular & Interventional Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
230 INTERVENTIONAL RADIOLOGY in CO
Provider Addresses for SAMUEL T AHN (MD)
10700 E GEDDES AVE STE 200
ENGLEWOOD, CO 801123861
Phone: (303) 761-9190
Fax: (720) 874-4462
Type: Mailing
9961 SIERRA AVE
FONTANA, CA 923356720
Phone: (909) 427-5000
Type: Location
10800 E GEDDES AVE STE 300
ENGLEWOOD, CO 801123895
Phone: (303) 761-9190
Fax: (720) 874-4462
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $382.
Total Amount is formed as General ($382) + Research ($0) + Ownership ($0) = $382.
Last reported payment date: 2024-09-03 • Largest payer in this snapshot: Inari Medical, Inc. ($181).
Total Amount
$382
General + Research + Ownership
Payments
9
Total payment records
General Amount
$382
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-03
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: 2020-05-26
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20040203000880 | I | Diagnostic Radiology | CO | TBD |
| I20200416002847 | I | Interventional Radiology | NE | TBD |
| I20200526002389 | I | Diagnostic Radiology | KS | 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 |
|---|---|---|---|---|
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 96 | 82 | $0 |
| 32555 | Aspiration of fluid from chest cavity using imaging guidance | 43 | 30 | $0 |
| 71045 | X-ray of chest, 1 view | 33 | 33 | $0 |
| 49083 | Drainage of fluid from abdominal cavity using imaging guidance | 28 | 15 | $0 |
| 76937 | Ultrasonic guidance for blood vessel access | 28 | 25 | $0 |
Insurance plans in this area (ZIP 80112)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | CO | 71010 | X-ray of chest, 1 view, front | 107 | 99 |
| DIAGNOSTIC RADIOLOGY | CO | 71250 | CT scan chest | 11 | 11 |
| DIAGNOSTIC RADIOLOGY | CO | 74177 | CT scan of abdomen and pelvis with contrast | 38 | 38 |
| DIAGNOSTIC RADIOLOGY | CO | 76942 | Ultrasonic guidance imaging supervision and interpretation for insertion of needle | 28 | 28 |
| DIAGNOSTIC RADIOLOGY | CO | 77012 | Radiological supervision and interpretation of CT guidance for needle insertion | 29 | 27 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | CO | |
| Diagnostic Radiology, Interventional Radiology | HI | |
| Diagnostic Radiology | CO | |
| Diagnostic Radiology | CO | |
| Diagnostic Radiology | CO | |
| Diagnostic Radiology, Nuclear Medicine | CO | |
| Diagnostic Radiology | CO | |
| Diagnostic Radiology | CO | |
| Nuclear Medicine, Diagnostic Radiology | CO | |
| Diagnostic Radiology | UT |
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