MR. RICKY D II GRISSON (M.D.) – Clinical Pathology/Laboratory Medicine Physician, NPI 1093910606
Clinical Pathology/Laboratory Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for MR. RICKY D II GRISSON (M.D.)
Massachusetts General Hospital, 55, Fruit Street, Beacon Hill, Boston, Suffolk County, Massachusetts, 02114, United States
55 FRUIT STREET
BOSTON, MA 02114
Phone: (617) 726-2967
Type: Mailing
101, Ellenfield Street, Providence, Providence County, Rhode Island, 02905, United States
PROVIDENCE, RI 029054541
Phone: (401) 444-6779
Type: Location
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: 2016-12-29
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 |
|---|---|---|---|---|
| I20161229000548 | I | Pathology | 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 |
|---|---|---|---|---|
| 86334 | Immunologic analysis technique on serum (immunofixation) | 653 | 499 | $0 |
| 84165 | Protein measurement, serum | 570 | 417 | $0 |
| 84166 | Protein measurement, body fluid | 114 | 113 | $0 |
| 86335 | Immunologic analysis technique on body fluid, other fluids with concentration | 59 | 57 | $0 |
Insurance plans in this area (ZIP 02114)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | RI | |
| - | RI | |
| P A T H O L O G Y | RI | |
| - | MA | |
| P A T H O L O G Y | RI | |
| Physician Assistant | RI | |
| Physician Assistant | RI | |
| P A T H O L O G Y | RI | |
| P A T H O L O G Y | RI | |
| Emergency Medicine, Critical Care (Intensivists), Pulmonary Disease | RI |
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