DR. CHRISTOPHER MARK JOHN (D.O.) – Diagnostic Radiology Physician, NPI 1669679569
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,303 DIAGNOSTIC RADIOLOGY in TX
Provider Addresses for DR. CHRISTOPHER MARK JOHN (D.O.)
36000 DARNALL LOOP
FORT HOOD, TX 765444752
Phone: (254) 286-7323
Type: Mailing
52 UNDERWOOD ST # 153
ORLANDO, FL 328061110
Phone: (321) 841-2558
Fax: (407) 849-6470
Type: Mailing
52 UNDERWOOD ST
ORLANDO, FL 328061110
Phone: (407) 481-7174
Fax: (321) 843-6080
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $23.
Total Amount is formed as General ($23) + Research ($0) + Ownership ($0) = $23.
Last reported payment date: 2024-12-04 • Largest payer in this snapshot: Salix Pharmaceuticals, a division of Bausch Health US, LLC ($23).
Total Amount
$23
General + Research + Ownership
Payments
1
Total payment records
General Amount
$23
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | $23 |
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: 2026-02-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 10 Medicare enrollment records; no due dates published yet.
Enrollment records
10
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 |
|---|---|---|---|---|
| I20140331000349 | I | Diagnostic Radiology | TX | TBD |
| I20191113000230 | I | Diagnostic Radiology | FL | TBD |
| I20200103000573 | I | Diagnostic Radiology | GA | TBD |
| I20230825001150 | I | Diagnostic Radiology | CA | TBD |
| I20240405002356 | I | Diagnostic Radiology | IN | TBD |
| I20250210003335 | I | Diagnostic Radiology | DC | TBD |
| I20250401000662 | I | Diagnostic Radiology | MS | TBD |
| I20250618000651 | I | Diagnostic Radiology | OH | TBD |
| I20251218003099 | I | Diagnostic Radiology | KY | TBD |
| I20260228000862 | I | Diagnostic Radiology | 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 |
|---|---|---|---|---|
| 70450 | Ct scan head or brain without contrast | 416 | 415 | $0 |
| 71045 | X-ray of chest, 1 view | 372 | 285 | $0 |
| 72125 | Ct scan of upper spine without contrast | 180 | 180 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 108 | 108 | $0 |
| 71275 | Ct scan of blood vessels of chest with contrast | 84 | 84 | $0 |
Insurance plans in this area (ZIP 76544)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | FL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | NY | |
| Nurse Practitioner | FL | |
| Internal Medicine | FL | |
| Vascular Surgery, General Surgery | FL | |
| Physical Therapist In Private Practice | FL | |
| Sports Medicine | OH | |
| Nurse Practitioner | FL | |
| Internal Medicine | FL | |
| Internal Medicine | IA |
Reviews
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