DR. GREGORY WEI CHIANG WOO (M.D.) – Obstetrics & Gynecology Physician, NPI 1093910788
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,231 OBSTETRICS/GYNECOLOGY in MA
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Provider Addresses for DR. GREGORY WEI CHIANG WOO (M.D.)
Signature Healthcare Brockton Hospital, 680, Centre Street, Brockton, Plymouth County, Massachusetts, 02302, United States
BROCKTON, MA 023023308
Phone: (508) 941-7000
Fax: (508) 941-6480
Type: Location
7, Goodrich Road, Sturbridge, Worcester County, Massachusetts, 01521, United States
STURBRIDGE, MA 015661140
Phone: (508) 941-7000
Fax: (508) 941-6480
Type: Mailing
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 $114.
Total Amount is formed as General ($114) + Research ($0) + Ownership ($0) = $114.
Last reported payment date: 2024-05-02 • Largest payer in this snapshot: Henry Schein, Inc. ($114).
Total Amount
$114
General + Research + Ownership
Payments
1
Total payment records
General Amount
$114
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Henry Schein, Inc. | $114 |
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: 2012-04-02
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 |
|---|---|---|---|---|
| I20120402000605 | I | Obstetrics/Gynecology | MA | 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 02302)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | MA | |
| Nurse Practitioner | MA | |
| O P T O M E T R Y | MA | |
| Certified Nurse Midwife (Cnm) | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| Family Practice | MA | |
| - | MA |
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