DR. BARRY D KLEIN (MD) – Diagnostic Radiology Physician, NPI 1073585212
Diagnostic Radiology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
4,812 DIAGNOSTIC RADIOLOGY in CA
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Provider Addresses for DR. BARRY D KLEIN (MD)
Christopher Costanzo MD, 2190, Lynn Road, Thousand Oaks, Ventura County, California, 91360, United States
STE 220
THOUSAND OAKS, CA 91360
Phone: (805) 495-8050
Fax: (805) 496-2160
Type: Mailing
215, West Janss Road, Thousand Oaks, Ventura County, California, 91360, United States
THOUSAND OAKS, CA 91360
Phone: (805) 497-2727
Fax: (805) 495-0023
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $294.
Total Amount is formed as General ($294) + Research ($0) + Ownership ($0) = $294.
Last reported payment date: 2024-06-07 • Largest payer in this snapshot: Penumbra, Inc. ($150).
Total Amount
$294
General + Research + Ownership
Payments
4
Total payment records
General Amount
$294
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Penumbra, Inc. | $150 |
| PFIZER INC. | $102 |
| Medtronic, Inc. | $23 |
| Mozarc Medical US LLC | $18 |
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: 2025-10-27
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20040218000630 | I | Diagnostic Radiology | CA | TBD |
| I20250224001868 | I | Diagnostic Radiology | CO | TBD |
| I20251010003091 | I | Diagnostic Radiology | AZ | TBD |
| I20251027003286 | I | Diagnostic Radiology | PA | 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 |
|---|---|---|---|---|
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 8,672 | 97 | $0 |
| A9585 | Injection, gadobutrol, 0.1 ml | 4,396 | 48 | $0 |
| 71045 | X-ray of chest, 1 view | 1,339 | 1,039 | $0 |
| 70450 | Ct scan head or brain without contrast | 370 | 352 | $0 |
| 74176 | Ct scan of abdomen and pelvis without contrast | 246 | 234 | $0 |
Insurance plans in this area (ZIP 91360)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | CA | 71250 | CT scan chest | 81 | 79 |
| DIAGNOSTIC RADIOLOGY | CA | 73110 | X-ray of wrist, minimum of 3 views | 22 | 21 |
| DIAGNOSTIC RADIOLOGY | CA | 73630 | X-ray of foot, minimum of 3 views | 20 | 20 |
| DIAGNOSTIC RADIOLOGY | CA | 74177 | CT scan of abdomen and pelvis with contrast | 88 | 86 |
| DIAGNOSTIC RADIOLOGY | CA | 78815 | Nuclear medicine study with CT imaging skull base to mid-thigh | 22 | 21 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiovascular Disease (Cardiology) | NJ | |
| - | NC | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | FL | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | TX | |
| Diagnostic Radiology | CA | |
| - | NV | |
| Diagnostic Radiology | CA | |
| - | FL |
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