ERIC H JR. TWERDAHL (MD) – Vascular Surgery Physician, NPI 1093035461
Vascular Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
198 VASCULAR SURGERY in MA
Provider Addresses for ERIC H JR. TWERDAHL (MD)
MASSACHUSETTS GENERAL HOSPITAL
55 FRUIT ST.
BOSTON, MA 02114
Phone: (617) 726-2800
Type: Mailing
1215 Lee St
Charlottesville, VA 229080816
Phone: (434) 243-1000
Fax: (434) 244-7551
Type: Location
8600 Old Georgetown Rd
Bethesda, MD 208141422
Phone: (301) 896-2578
Fax: (301) 897-1378
Type: Location
6201 GREENLEIGH AVE
MIDDLE RIVER, MD 212202004
Phone: (410) 933-2704
Type: Mailing
PO BOX 9007
CHARLOTTESVILLE, VA 229069007
Phone:
Type: Mailing
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 200373201
Phone: (202) 741-3210
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: 2025-09-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20220518001387 | I | Vascular Surgery | VA | TBD |
| I20221003002129 | I | Vascular Surgery | DC | TBD |
| I20250926000434 | I | Vascular Surgery | NH | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 02114)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | NH | |
| Nurse Practitioner | NH | |
| - | NH | |
| P S Y C H I A T R Y | MA | |
| Orthopedic Surgery | NH | |
| Hospitalist, Internal Medicine, Pediatric Medicine | MI | |
| P S Y C H I A T R Y | NH | |
| - | NH | |
| - | NH | |
| General Surgery | PA |
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