CHRISTOPHER GILES IRWIN (M.D.) – Anesthesiology Physician, NPI 1073868360
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,169 ANESTHESIOLOGY in CO
Provider Addresses for CHRISTOPHER GILES IRWIN (M.D.)
1960 OGDEN ST
SUITE 400
DENVER, CO 802183666
Phone: (303) 318-1540
Fax: (303) 318-2481
Type: Mailing
1001 YORK DR
DESOTO, TX 751152083
Phone: (469) 313-0040
Type: Location
5637 BRYN MAWR DR
DALLAS, TX 752093405
Phone: (214) 226-8787
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $89.
Total Amount is formed as General ($89) + Research ($0) + Ownership ($0) = $89.
Last reported payment date: 2024-11-21 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($44).
Total Amount
$89
General + Research + Ownership
Payments
6
Total payment records
General Amount
$89
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-21
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: 2016-10-12
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 |
|---|---|---|---|---|
| I20161012001050 | I | Anesthesiology | TX | 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 |
|---|---|---|---|---|
| 01480 | Anesthesia for other procedure on lower leg, ankle, and foot bones | 22 | 21 | $0 |
| 64446 | Continuous infusion of anesthetic agent and/or steroid into lower back and leg nerve (sciatic nerve) through catheter | 15 | 15 | $0 |
| 01938 | Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance | 13 | 13 | $0 |
| 01937 | Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of neck or upper back accessed through skin using imaging guidance | 11 | 11 | $0 |
Insurance plans in this area (ZIP 80218)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | TX | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| A N E S T H E S I O L O G Y | TX | |
| Anesthesiology, Pain Management | TX | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| A N E S T H E S I O L O G Y | TX | |
| A N E S T H E S I O L O G Y | IN | |
| Certified Registered Nurse Anesthetist (Crna) | TX |
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