BRIAN MICHAEL KANATZAR (D.O.) – Internal Medicine Physician, NPI 1093033243
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,290 INTERNAL MEDICINE in TX
Provider Addresses for BRIAN MICHAEL KANATZAR (D.O.)
4330 MEDICAL DR
STE 500
SAN ANTONIO, TX 782293342
Phone: (210) 576-5306
Fax: (210) 694-0645
Type: Mailing
10300 Heritage St Ste 130
San Antonio, TX 782163924
Phone: (210) 332-5462
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2011-01-04
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 |
|---|---|---|---|---|
| I20110104001291 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99238 | Hospital discharge day management, 30 minutes or less | 11 | 11 | $0 |
Insurance plans in this area (ZIP 78229)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| R H E U M A T O L O G Y | TX | |
| E N D O C R I N O L O G Y | TX | |
| Family Practice | TX | |
| Internal Medicine, Hospitalist | TX | |
| Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| Internal Medicine, Hospitalist | TX | |
| - | TX |
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