Providers
All 39 in TX
OSAMA B NAHAS, M.D.
NPI 1477540953, individual, Edinburg, TX, Internal Medicine
1
Evidence tier
documented action, then payment
- Listed on a Department of Justice release since March 1, 2024.
- Medicaid still paid claims in 7 later months, $1,625 in total.
- Adjudicated (convicted, sentenced) per a Department of Justice release dated March 1, 2024.
score 93 of 100, rank 375, $2K at stake
Public list actions
Medicare revocation effective January 25, 2026, barred from re-enrolling until January 25, 2036
424.535(a)(9) failure to report and 424.535(a)(3) felonies, Practitioner - Internal Medicine, TX
OIG exclusion July 20, 2026 under section 1128a1
Physician (MD, DO), Internal Medicine, Mcallen, TX
Paid after the action
Months in which Medicaid paid claims for this provider after a public action that should have triggered a screening check. This is a record of payments, not a determination that they were improper.
| list | identity check | action date | window closed | months paid after | first | last | paid after | 12 months before |
|---|---|---|---|---|---|---|---|---|
| doj adjudicated enforcement record (convicted): two convicted in multimillion-dollar adult daycare fraud scheme | No NPI on the list; matched by name at high confidence | Mar 1, 2024 | still open | 7 | May 2024 | Nov 2024 | $2K | $0 |
National provider registry
From the CMS NPPES Registry, refreshed daily.
| Name | OSAMA B NAHAS, M.D. |
| Type | Individual, sole proprietor |
| Status | Active |
| NPI issued | September 30, 2005, last updated December 9, 2019 |
| Practice location | 2505 W TRENTON RD, Edinburg, TX 78539-5070, 956-683-7473 |
| Specialties | Internal Medicine (207R00000X, primary, license J9233 TX) |
In this area
39 providers in Hidalgo County, TX carry an indicator in the public record, with $73.7M at stake between them. The most common is more hours than a day holds, on 26 of them, followed by part of a provider network on 7. 4 are tier 1: documented action, then payment.
| tier | provider | at stake | why |
|---|---|---|---|
| 1 | EUGENE S MACKIE MD PA Edinburg, TX, ranked 161 | $74K |
|
| 1 | EUGENE MACKIE Edinburg, TX, ranked 167 | $68K |
|
| 1 | ALL STARS LLC Pharr, TX, ranked 225 | $26K |
|
| 1 | JORGE ZAMORA-QUEZADA Edinburg, TX, ranked 536 | $0 |
|
| 3 | AMERICARE NURSING SERVICES, P.L.L.C. San Juan, TX, ranked 895 | $10.2M |
|
| 3 | PAZ HOME HEALTH LLC Mcallen, TX, ranked 1388 | $71K |
|
| 3 | STATE OF TEXAS VETERANS LAND BOARD Mcallen, TX, ranked 1889 | $0 |
|
| 3 | PAZ HOME HEALTH LLC DBA PAZ HOME HEALTH II LLC Mcallen, TX, ranked 2105 | $0 |
|
Recent enforcement in TX
All releasesDepartment of Justice and HHS-OIG releases for this state, newest first. Each opens in a new tab.
DOJCivil settlementAug 26, 2026
Dallas medical clinic to pay $7.5 million to resolve COVID-19 testing overbilling allegations
Aymancare billed the federal government's HRSA Uninsured Program for separate evaluation and management services in addition to COVID-19 specimen collection and testing at pop-up testing sites when no such separate services were performed.
DOJConvictedAug 12, 2026
Scammer pharmacist guilty in $20 million healthcare kickback scheme
Thomas paid over $2 million in kickbacks to the owner of a Houston clinic in exchange for referrals of DOL-OWCP insured patients prescribed high-reimbursement compounded medications, which his pharmacy then billed to DOL-OWCP, receiving more than $20 million in reimbursements.
DOJIndictedJun 24, 2026
U.S. Attorney Announces Major Health Care Fraud Cases in Western District of Texas
Charles is alleged to have received illegal kickbacks for referring patients to San Antonio area hospice companies, causing over $9 million in Medicare claims, while Dr. Duncan settled allegations of billing Medicare and TRICARE for an unapproved amniotic-based product and Trevor's Place settled allegations of submitting inflated TRICARE claims for services not provided.
DOJIndictedJun 23, 2026
Nine charged in SDTX as part of national health care fraud takedown
Nine defendants were indicted in the Southern District of Texas for operating pill mill clinics and a pharmacy that unlawfully distributed controlled substances, billing Medicaid $16 million for mental health services for minors that did not occur, and billing Medicare and TRICARE approximately $906 million for medically unnecessary amniotic wound allografts procured through kickbacks.
DOJChargedJun 23, 2026
Northern District of Texas Charges 13 Health Care Fraudsters for Loss Over $360 Million
Thirteen defendants in the Northern District of Texas were charged in seven cases involving more than $365 million in fraudulent billing to federally-funded programs and other insurers, including laboratory and genetic testing claims procured through kickbacks, transcranial magnetic stimulation treatments billed to TRICARE, medically unnecessary EEG testing, and hospice services never provided.
Referral packet
The packet is a draft for a reviewer. It reads every public record behind this case, states what the records show with a citation for each finding, names the regulation each finding relates to, and lists the ordinary explanations to rule out first. It never asserts intent.