HANNAH MARIE GILLIGAN (MD) – Nephrology Physician, NPI 1518044080
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
458 NEPHROLOGY in MA
Provider Addresses for HANNAH MARIE GILLIGAN (MD)
BWH
75 Francis St
Boston, MA 021156110
Phone: (617) 724-8967
Type: Location
RENAL ASSOCIATES
165 CAMBRIDGE ST STE 301
BOSTON, MA 021142696
Phone: (617) 726-5277
Fax: (617) 724-8652
Type: Mailing
MGH
55 FRUIT ST
BOSTON, MA 021142696
Phone: (617) 724-8967
Type: Location
Lahey Hospital & Medical Center, 41, Burlington Mall Road, Burlington, Middlesex County, Massachusetts, 01805, United States
41 MALL ROAD
BURLINGTON, MA 018050001
Phone: (781) 744-8430
Fax: (781) 744-5397
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $123.
Total Amount is formed as General ($123) + Research ($0) + Ownership ($0) = $123.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: SANOFI-AVENTIS U.S. LLC ($123).
Total Amount
$123
General + Research + Ownership
Payments
1
Total payment records
General Amount
$123
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| SANOFI-AVENTIS U.S. LLC | $123 |
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: 2010-03-27
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 |
|---|---|---|---|---|
| I20100327000101 | I | Nephrology | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 236 | 114 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 213 | 81 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 158 | 113 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 66 | 33 | $0 |
| 90945 | Dialysis procedure including 1 evaluation | 47 | 12 | $0 |
Insurance plans in this area (ZIP 02115)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| G A S T R O E N T E R O L O G Y | MA | |
| Internal Medicine | MA | |
| - | MA | |
| - | MA | |
| Anesthesiology, Pain Management | MA | |
| - | MA | |
| Clinical Psychologist | MA | |
| Internal Medicine | MA | |
| Internal Medicine | MA | |
| - | MA |
Reviews
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