MS. GIOVANNA M. LEDDY (MD) – Internal Medicine Physician, NPI 1295992600
Internal Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
7,722 INTERNAL MEDICINE in MA
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Provider Addresses for MS. GIOVANNA M. LEDDY (MD)
Harvard Vanguard, 147, Milk Street, Dock Square, Financial District, Boston, Suffolk County, Massachusetts, 02110, United States
INTERNAL MEDICINE
BOSTON, MA 021094806
Phone: (617) 654-7000
Type: Mailing
133 BROOKLINE AVE
BOSTON, MA 022153904
Phone: (617) 421-2144
Fax: (617) 421-6185
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $355.
Total Amount is formed as General ($355) + Research ($0) + Ownership ($0) = $355.
Last reported payment date: 2023-11-03 • Largest payer in this snapshot: Novo Nordisk Inc ($227).
Total Amount
$355
General + Research + Ownership
Payments
3
Total payment records
General Amount
$355
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-11-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $227 |
| Rhythm Pharmaceuticals, Inc. | $128 |
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: 2009-08-31
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 |
|---|---|---|---|---|
| I20090831000627 | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 150 | 88 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 57 | 38 | $0 |
| G2212 | Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 25 | 25 | $0 |
Insurance plans in this area (ZIP 02109)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MA | |
| Nurse Practitioner | MA | |
| Family Practice | IL | |
| Registered Dietitian Or Nutrition Professional | CT | |
| Nurse Practitioner | MA | |
| Family Practice | CA | |
| Nurse Practitioner | MA | |
| Nurse Practitioner | MA | |
| Internal Medicine | CT | |
| E N D O C R I N O L O G Y | MA |
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