GUANGCHEN ZOU (M.D.) – Nephrology Physician, NPI 1093378994
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
204 NEPHROLOGY in CT
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Provider Addresses for GUANGCHEN ZOU (M.D.)
Danbury Hospital, 24, Hospital Avenue, Germantown, Danbury, Fairfield County, Connecticut, 06810, United States
DANBURY, CT 068106099
Phone: (203) 739-8105
Fax: (203) 749-9092
Type: Location
1820 ZUMBEHL RD STE 120
SAINT CHARLES, MO 633032761
Phone: (314) 801-5350
Fax: (314) 801-5323
Type: Location
1820 ZUMBEHL RD STE 1237
SAINT CHARLES, MO 633032761
Phone: (314) 801-5350
Fax: (314) 801-5323
Type: Mailing
3700 TOONE ST APT 2307
BALTIMORE, MD 212245177
Phone: (203) 207-1155
Type: Mailing
1800 ORLEANS ST
BALTIMORE, MD 212870010
Phone: (443) 927-3140
Fax: (410) 367-2258
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 11 Open Payments records for all available years, with a total value of $662.
Total Amount is formed as General ($662) + Research ($0) + Ownership ($0) = $662.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: GENZYME CORPORATION ($126).
Total Amount
$662
General + Research + Ownership
Payments
11
Total payment records
General Amount
$662
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $126 |
| Bayer Healthcare Pharmaceuticals Inc. | $125 |
| Merck Sharp & Dohme LLC | $123 |
| GlaxoSmithKline, LLC. | $122 |
| AstraZeneca Pharmaceuticals LP | $116 |
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: 2024-08-20
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 |
|---|---|---|---|---|
| I20240820001913 | I | Nephrology | MO | 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 06810)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| Nurse Practitioner | MO | |
| - | MO | |
| N E P H R O L O G Y | NY | |
| Nephrology, Internal Medicine | MO | |
| Physician Assistant | IL | |
| - | MO | |
| N E P H R O L O G Y | MO | |
| N E P H R O L O G Y | MO | |
| N E P H R O L O G Y | MO |
Reviews
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