CHRISTOPHER PAUL IRWIN (M.D) – Internal Medicine Physician, NPI 1033506191
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,223 INTERNAL MEDICINE in WV
Provider Addresses for CHRISTOPHER PAUL IRWIN (M.D)
3551 ROGER BROOKE DRIVE
QUALITY SERVICES/7TH FLOOR ATTN: MCHE-ZQQ
FORT SAM HOUSTON, TX 782344504
Phone: (210) 916-2338
Type: Mailing
1320 Maplewood Ave
Ronceverte, WV 249708016
Phone: (304) 647-4411
Type: Location
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 782344504
Phone: (916) 210-2338
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2023-10-27
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20201019000963 | I | Internal Medicine | TX | TBD |
| I20231027002833 | I | Hospitalist | WV | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 1,225 | 389 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 475 | 224 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 320 | 284 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 249 | 223 | $0 |
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 72 | 23 | $0 |
Insurance plans in this area (ZIP 78234)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | WI | |
| Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Family Practice | TX | |
| Hospitalist, Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Internal Medicine | TX | |
| Internal Medicine | TX | |
| Internal Medicine | TX | |
| Nurse Practitioner | FL |
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