ERIK K ALEXANDER (MD) – Endocrinology, Diabetes & Metabolism Physician, NPI 1285692376
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
549 ENDOCRINOLOGY in MA
Provider Addresses for ERIK K ALEXANDER (MD)
Cypress Street, Brookline, Norfolk County, Massachusetts, 02445, United States
BRIGHAM AND WOMEN'S HOSPITAL ENDOCRINOLOGY DIABETES AND
BROOKLINE, MA 024456002
Phone: (857) 307-0896
Type: Mailing
221 LONGWOOD AVENUE RFB2
BRIGHAM AND WOMEN'S HOSPITAL ENDOCRINOLOGY DIABETES AND
BOSTON, MA 02115
Phone: (617) 732-5500
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $573.
Total Amount is formed as General ($573) + Research ($0) + Ownership ($0) = $573.
Last reported payment date: 2024-05-24 • Largest payer in this snapshot: Sumitomo Pharma America, Inc. ($527).
Total Amount
$573
General + Research + Ownership
Payments
7
Total payment records
General Amount
$573
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Sumitomo Pharma America, Inc. | $527 |
| Baxter Healthcare | $47 |
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: 2004-03-29
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 |
|---|---|---|---|---|
| I20040329001550 | I | Endocrinology | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 175 | 164 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 48 | 48 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 43 | 36 | $0 |
| 10005 | Fine needle aspiration biopsy using ultrasound guidance, first growth | 41 | 37 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 29 | 11 | $0 |
Insurance plans in this area (ZIP 02445)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O S U R G E R Y | MD | |
| - | MA | |
| Critical Care (Intensivists), Pulmonary Disease | FL | |
| Physician Assistant | MA | |
| N E U R O L O G Y | MA | |
| Nurse Practitioner | MA | |
| Orthopedic Surgery | MA | |
| Physician Assistant | NH | |
| Nurse Practitioner | MA | |
| P A T H O L O G Y | MA |
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