DR. ZACK A NASH (MD) – Vascular Surgery Physician, NPI 1962722371
Vascular Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
492 VASCULAR SURGERY in TX
Provider Addresses for DR. ZACK A NASH (MD)
4502 MEDICAL DR
SAN ANTONIO, TX 782294402
Phone: (210) 358-2074
Type: Mailing
P O BOX 949
LA GRANDE, TX 789450949
Phone: (830) 620-1272
Fax: (830) 620-1274
Type: Mailing
1626 COMMON ST
NEW BRAUNFELS, TX 781303156
Phone: (830) 620-1272
Fax: (830) 620-1274
Type: Location
8300 Floyd Curl Dr
San Antonio, TX 782293931
Phone: (210) 450-9888
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 $124.
Total Amount is formed as General ($124) + Research ($0) + Ownership ($0) = $124.
Last reported payment date: 2024-11-08 • Largest payer in this snapshot: Medtronic, Inc. ($76).
Total Amount
$124
General + Research + Ownership
Payments
4
Total payment records
General Amount
$124
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $76 |
| Boston Scientific Corporation | $25 |
| LeMaitre Vascular, Inc. | $23 |
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: 2017-09-07
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 |
|---|---|---|---|---|
| I20170907002604 | I | Vascular Surgery | TX | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 309 | 202 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 227 | 151 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 59 | 59 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 47 | 47 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 23 | 17 | $0 |
Insurance plans in this area (ZIP 78229)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| - | TX | |
| - | TX | |
| Internal Medicine, Hospitalist | TX | |
| - | TX | |
| - | TX | |
| Internal Medicine, Hematology/Oncology | TX | |
| - | TX | |
| Hematology/Oncology, Medical Oncology | TX | |
| - | TX |
Reviews
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