ERIC N DIAMOND (M.D.) – Internal Medicine Physician, NPI 1285607861
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
7,722 INTERNAL MEDICINE in MA
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Provider Addresses for ERIC N DIAMOND (M.D.)
90;100, Brigham Way, University Station, Westwood, Norfolk County, Massachusetts, 02090, United States
WESTWOOD, MA 02090
Phone: (781) 471-2200
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)
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: 2005-04-04
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 |
|---|---|---|---|---|
| I20050404000009 | I | Internal Medicine | 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.
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 | 223 | 223 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 199 | 157 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 78 | 70 | $0 |
| G0009 | Administration of pneumococcal vaccine | 57 | 57 | $0 |
| 90677 | Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 55 | 55 | $0 |
Insurance plans in this area (ZIP 02090)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | MA | |
| Nurse Practitioner | NY | |
| Diagnostic Radiology | ME | |
| Physician Assistant | MA | |
| Diagnostic Radiology | MI | |
| Diagnostic Radiology | MA | |
| Diagnostic Radiology | OH | |
| P A T H O L O G Y | MA | |
| Family Practice, Osteopathic Manipulative Medicine | MA | |
| Diagnostic Radiology, Interventional Radiology | NY |
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