STEPHEN PETER LAZAR (DO) – Internal Medicine Physician, NPI 1134549330
Internal Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
777 INTERNAL MEDICINE in DE
Provider Addresses for STEPHEN PETER LAZAR (DO)
1072 JUSTISON ST
WILMINGTON, DE 198015162
Phone: (302) 660-3351
Type: Mailing
301 LIPPINCOTT DR STE 410
MARLTON, NJ 080534197
Phone: (856) 566-6842
Fax: (856) 566-6419
Type: Mailing
42 E LAUREL RD STE 1800
STRATFORD, NJ 080841338
Phone: (856) 566-6842
Fax: (856) 566-6419
Type: Location
100 W SPROUL RD STE 221
SPRINGFIELD, PA 190642033
Phone: (610) 338-2722
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $173.
Total Amount is formed as General ($173) + Research ($0) + Ownership ($0) = $173.
Last reported payment date: 2024-08-07 • Largest payer in this snapshot: Sumitomo Pharma America, Inc. ($37).
Total Amount
$173
General + Research + Ownership
Payments
9
Total payment records
General Amount
$173
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-07
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2025-03-18
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20210831001037 | I | Internal Medicine | PA | TBD |
| I20250318001254 | I | Internal Medicine | NJ | 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 |
|---|---|---|---|---|
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 417 | 186 | $0 |
| 99310 | Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 77 | 56 | $0 |
| 99306 | Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 53 | 52 | $0 |
| 99308 | Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 53 | 33 | $0 |
| 99316 | Nursing facility discharge management, more than 30 minutes | 27 | 26 | $0 |
Insurance plans in this area (ZIP 19801)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NJ | |
| Advanced Heart Failure And Transplant Cardiology | MD | |
| A N E S T H E S I O L O G Y | PA | |
| Internal Medicine | NJ | |
| - | NJ | |
| - | NJ | |
| G A S T R O E N T E R O L O G Y | NJ | |
| - | NJ | |
| Nurse Practitioner | PA | |
| Nurse Practitioner | NJ |
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