PROVIDER PROFILE · NPI 1538115431

Perry WallachMD

Internal MedicineTyler, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,153

Unique beneficiaries

—

Total services

4,625

Distinct HCPCS

Medicare payment

$235K

Peer benchmark

Total Medicare services vs. 6,183 Internal Medicine providers in TX — top quintile (cohort median 673).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$872

Distinct drugs

Brand share

61.3%

Top prescribed drugs

Hydrocodone/Acetaminophen19 claims

Naloxone Hcl12 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Perry Wallach's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 81 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
EAST TEXAS MEDICAL CENTER	435	2,238
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	431	2,894
Robert Sanchez Diagnostic Radiology · Tyler, TX	111	321
Jerry Schwarzbach Physical Medicine and Rehabilitation · Tyler, TX	108	397
Charles Crum Diagnostic Radiology · Tyler, TX	95	267
James Cabell Diagnostic Radiology · Tyler, TX	95	246
Timothy Leihgeber Diagnostic Radiology · Tyler, TX	90	246
R. Walker Diagnostic Radiology · Tyler, TX	84	251
Michael Williams Diagnostic Radiology · Tyler, TX	77	162
Gregory Schultz Diagnostic Radiology · Tyler, TX	67	187
AREGO, DONALD	66	540
Lisa Graves-Austin Internal Medicine · Toledo, OH	64	198

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history