DIANNE A DE LEON (MD) – Dermatology Physician, NPI 1851656516
Dermatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
744 DERMATOLOGY in MA
Provider Addresses for DIANNE A DE LEON (MD)
230 Highland Ave
Somerville, MA 021431408
Phone: (617) 591-4350
Type: Location
230 HIGHLAND AVE
SOMERVILLE, MA 021431408
Phone:
Type: Mailing
4732 N LINCOLN AVE STE 200
CHICAGO, IL 606258561
Phone: (312) 695-8106
Fax: (312) 694-7291
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $222.
Total Amount is formed as General ($222) + Research ($0) + Ownership ($0) = $222.
Last reported payment date: 2024-03-27 • Largest payer in this snapshot: GENZYME CORPORATION ($122).
Total Amount
$222
General + Research + Ownership
Payments
2
Total payment records
General Amount
$222
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-03-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $122 |
| Janssen Biotech, Inc. | $100 |
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: 2021-10-19
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 |
|---|---|---|---|---|
| I20211019001606 | I | Dermatology | IL | 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 |
|---|---|---|---|---|
| 17003 | Destruction of precancer skin growth, 2-14 growths | 102 | 25 | $0 |
| 17110 | Destruction of skin growth, 1-14 growths | 65 | 50 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 61 | 45 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 58 | 46 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 40 | 33 | $0 |
Insurance plans in this area (ZIP 02143)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Diagnostic Radiology, Interventional Radiology | IL | |
| P A T H O L O G Y | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | IL | |
| G A S T R O E N T E R O L O G Y | IL | |
| Internal Medicine | IL | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Internal Medicine | MN | |
| - | IL | |
| Physical Therapist In Private Practice | IL | |
| Nurse Practitioner | IL |
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