DR. ANDY CHANG GUO (MD) – Diagnostic Radiology Physician, NPI 1285261511
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,128 DIAGNOSTIC RADIOLOGY in IL
Provider Addresses for DR. ANDY CHANG GUO (MD)
3249 OAK PARK AVE
BERWYN, IL 604020715
Phone:
Type: Mailing
75 FRANCIS ST
BOSTON, MA 021156106
Phone: (617) 724-0288
Type: Location
3249 Oak Park Ave
Berwyn, IL 604023429
Phone: (708) 783-3425
Type: Location
1959 NE Pacific St
Seattle, WA 981953429
Phone: (206) 598-2094
Fax: (206) 543-6317
Type: Location
1959 NE PACIFIC ST
SEATTLE, WA 981953429
Phone: (206) 598-2094
Fax: (206) 543-6317
Type: Location
1959 NE PACIFIC STREET BOX 357115
SEATTLE, WA 981957115
Phone:
Type: Mailing
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: 2025-08-27
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20250516001655 | I | Diagnostic Radiology | MA | TBD |
| I20250827005094 | I | Diagnostic Radiology | MD | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 60402)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O S U R G E R Y | MD | |
| - | MA | |
| Critical Care (Intensivists), Pulmonary Disease | FL | |
| - | MA | |
| G A S T R O E N T E R O L O G Y | MA | |
| - | MA | |
| - | ME | |
| - | MA | |
| N E U R O L O G Y | MA | |
| Nurse Practitioner | MA |
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