MARIA STEFANIDOU (M.D.) – Neurology Physician, NPI 1104091107
Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,144 NEUROLOGY in MA
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Provider Addresses for MARIA STEFANIDOU (M.D.)
Shapiro Center, 725, Albany Street, South End, Boston, Suffolk County, Massachusetts, 02118, United States
SHAPIRO 7, SUITE B
BOSTON, MA 021182526
Phone: (617) 638-8456
Fax: (617) 638-8465
Type: Location
Doctors Office Building, 720, Harrison Avenue, South End, Boston, Suffolk County, Massachusetts, 02118, United States
DOB 503
BOSTON, MA 021182371
Phone:
Type: Mailing
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: 2013-09-18
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 |
|---|---|---|---|---|
| I20130918000439 | I | Neurology | 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 |
|---|---|---|---|---|
| 95720 | Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional | 103 | 52 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 41 | 40 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 25 | 21 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 20 | 20 | $0 |
| 95819 | Measurement of brain wave activity (eeg), awake and asleep | 16 | 16 | $0 |
Insurance plans in this area (ZIP 02118)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| N E U R O L O G Y | CA | |
| - | MA | |
| Nurse Practitioner | MA | |
| Nurse Practitioner | MA | |
| N E U R O L O G Y | MA | |
| N E U R O L O G Y | MA | |
| Nurse Practitioner | MA | |
| N E U R O L O G Y | MA | |
| Nurse Practitioner | MA |
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