ZACHARY A. LAMBERTSEN (M.D.) – Diagnostic Radiology Physician, NPI 1770922882
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
379 DIAGNOSTIC RADIOLOGY in AR
Provider Addresses for ZACHARY A. LAMBERTSEN (M.D.)
500 S UNIVERSITY AVE STE 101
LITTLE ROCK, AR 722055314
Phone: (501) 664-3914
Fax: (501) 664-5246
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 14 Open Payments records for all available years, with a total value of $2,208.
Total Amount is formed as General ($2,208) + Research ($0) + Ownership ($0) = $2,208.
Last reported payment date: 2024-11-09 • Largest payer in this snapshot: Boston Scientific Corporation ($1,849).
Total Amount
$2,208
General + Research + Ownership
Payments
14
Total payment records
General Amount
$2,208
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $1,849 |
| Inari Medical, Inc. | $219 |
| Balt USA, LLC | $64 |
| Stryker Corporation | $39 |
| Terumo Medical Corporation | $21 |
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: 2023-10-31
PECOS data refreshed: 2026-05-27
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 |
|---|---|---|---|---|
| I20190715002539 | I | Interventional Radiology | AR | TBD |
| I20231031000119 | I | Diagnostic Radiology | CO | 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 |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 1,747 | 1,425 | $0 |
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 1,130 | 11 | $0 |
| 71046 | X-ray of chest, 2 views | 487 | 479 | $0 |
| 70450 | Ct scan head or brain without contrast | 300 | 295 | $0 |
| A9579 | Injection, gadolinium-based magnetic resonance contrast agent, not otherwise specified (nos), per ml | 261 | 16 | $0 |
Insurance plans in this area (ZIP 72205)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | CA | |
| - | CO | |
| Diagnostic Radiology | CO | |
| Diagnostic Radiology, Interventional Radiology | CO | |
| Interventional Radiology, Nuclear Medicine, Diagnostic Radiology | CO | |
| Diagnostic Radiology, Interventional Radiology, Nuclear Medicine | CO | |
| Diagnostic Radiology, Interventional Radiology, Nuclear Medicine | CO | |
| Diagnostic Radiology | CO | |
| Diagnostic Radiology | CO | |
| Interventional Radiology, Diagnostic Radiology, Nuclear Medicine | CO |
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