LAMAR OCTAVIUS MACK (MD) – Vascular Surgery Physician, NPI 1093970535
Vascular Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
674 VASCULAR SURGERY in CA
Provider Addresses for LAMAR OCTAVIUS MACK (MD)
820 S AKERS ST
STE 120
VISALIA, CA 932778306
Phone: (559) 625-4118
Fax: (559) 625-6004
Type: Location
116, North Akers Street, Visalia, Tulare County, California, 93291, United States
VISALIA, CA 932915121
Phone: (559) 625-4118
Type: Location
820, South Akers Street, Visalia, Tulare County, California, 93277, United States
STE 120
VISALIA, CA 932778306
Phone: (559) 625-4118
Fax: (559) 625-6004
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 58 Open Payments records for all available years, with a total value of $17,151.
Total Amount is formed as General ($17,151) + Research ($0) + Ownership ($0) = $17,151.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Bard Peripheral Vascular, Inc. ($11,360).
Total Amount
$17,151
General + Research + Ownership
Payments
58
Total payment records
General Amount
$17,151
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bard Peripheral Vascular, Inc. | $11,360 |
| Penumbra, Inc. | $2,195 |
| W. L. Gore & Associates, Inc. | $1,515 |
| Silk Road Medical, Inc. | $842 |
| Inari Medical, Inc. | $344 |
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: 2013-07-10
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 |
|---|---|---|---|---|
| I20130710000550 | I | Vascular Surgery | CA | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 281 | 154 | $0 |
| 93925 | Ultrasound of leg arteries or artery grafts | 116 | 84 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 98 | 73 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 94 | 48 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 77 | 46 | $0 |
Insurance plans in this area (ZIP 93277)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| VASCULAR SURGERY | CA | 93926 | Ultrasound study of arteries and arterial grafts of one leg or limited | 21 | 21 |
| VASCULAR SURGERY | CA | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 80 | 66 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| Diagnostic Radiology | CA | |
| Thoracic Surgery, General Surgery | TX | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| Family Practice | CA | |
| Nurse Practitioner | CA |
Reviews
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