DR. GREIGSTONE MONTGOMERY YEARWOOD (M.D.) – Internal Medicine Physician, NPI 1689631640
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,158 INTERNAL MEDICINE in RI
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Provider Addresses for DR. GREIGSTONE MONTGOMERY YEARWOOD (M.D.)
191, Social Street, Social, Woonsocket, Providence County, Rhode Island, 02895, United States
SUITE 840
WOONSOCKET, RI 028953240
Phone: (401) 762-2535
Fax: (401) 762-2858
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 99 Open Payments records for all available years, with a total value of $1,848.
Total Amount is formed as General ($1,848) + Research ($0) + Ownership ($0) = $1,848.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: PFIZER INC. ($430).
Total Amount
$1,848
General + Research + Ownership
Payments
99
Total payment records
General Amount
$1,848
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $430 |
| AstraZeneca Pharmaceuticals LP | $188 |
| Novo Nordisk Inc | $175 |
| ABBVIE INC. | $150 |
| GlaxoSmithKline, LLC. | $109 |
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: 2010-12-07
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 |
|---|---|---|---|---|
| I20101207000878 | I | Internal Medicine | RI | 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 |
|---|---|---|---|---|
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 141 | 141 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 136 | 93 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 88 | 17 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 64 | 48 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 25 | 19 | $0 |
Insurance plans in this area (ZIP 02895)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | RI | 20610 | Aspiration and/or injection of large joint or joint capsule | 17 | 13 |
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