DR. PERRY WALLACH (MD) – Internal Medicine Physician, NPI 1538115431
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,290 INTERNAL MEDICINE in TX
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Provider Addresses for DR. PERRY WALLACH (MD)
Tyler Post Office, Mc Arthur Street, Tyler, Lincoln County, Minnesota, United States
TYLER, TX 757119477
Phone: (903) 594-2450
Fax: (903) 509-0493
Type: Mailing
1000, East 5th Street, Tyler, Smith County, Texas, 75701, United States
TYLER, TX 757013346
Phone: (903) 596-3500
Fax: (903) 596-3536
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: 2006-05-09
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 |
|---|---|---|---|---|
| I20060509000306 | 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 |
|---|---|---|---|---|
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 2,626 | 384 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,508 | 392 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 495 | 388 | $0 |
Insurance plans in this area (ZIP 75711)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MA | |
| Physical Medicine And Rehabilitation | ND | |
| Physical Medicine And Rehabilitation | TX | |
| Physical Medicine And Rehabilitation | TX | |
| Nurse Practitioner | TX | |
| Physical Medicine And Rehabilitation | IL | |
| General Practice | FL | |
| Physical Medicine And Rehabilitation | MD | |
| Physical Medicine And Rehabilitation | IL | |
| - | TX |
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