Greigstone Yearwood, M.D.
NPI 1689631640 · Internal Medicine Physician · Woonsocket, RI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greigstone Yearwood, M.D. is a Internal Medicine Physician provider in Woonsocket, RI (NPI 1689631640).
Provider details
- NPI number
- 1689631640
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD07911 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
365 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 133 | $130 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 120 | $123 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 44 | $78 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 28 | $89 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 20 | $129 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 156 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 634 | 160 |
| Amlodipine Besylate | 451 | 106 |
| Omeprazole | 352 | 79 |
| Lisinopril | 350 | 78 |
| Levothyroxine Sodium | 347 | 72 |
| Metformin Hcl | 327 | 69 |
| Simvastatin | 298 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,053 across 52 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-26
- Last updated
- 2012-06-07
Frequently asked questions
- What is Greigstone Yearwood's NPI number?
- Greigstone Yearwood's National Provider Identifier (NPI) is 1689631640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greigstone Yearwood's specialty?
- Greigstone Yearwood is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Greigstone Yearwood located?
- Greigstone Yearwood's practice location on file with NPPES is 191 Social St, Woonsocket, RI 02895-3240.
- What is Greigstone Yearwood's phone number?
- The practice phone number listed in the NPPES registry for Greigstone Yearwood is (401) 762-2535.
- Does Greigstone Yearwood accept Medicare?
- Greigstone Yearwood is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greigstone Yearwood's NPI active?
- Yes — Greigstone Yearwood's NPI (1689631640) is active in the NPPES registry as of the last update on 2012-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.