Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ORWA JOSEPH NASSER M.D, M.PH
NPI 1548638463
Ophthalmology in Weslaco, TX

Active since September 09, 2015PECOS Enrolled
1519 E 6TH ST, WESLACO, TX 78596(956) 777-7200(956) 968-5783 Get Directions Write a Review

NPPES record last updated: August 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 10, 2026, Apr 28, 2026 (2 updates tracked since 2026).

About Dr. Orwa Joseph Nasser M.d, M.ph NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ORWA JOSEPH NASSER M.D, M.PH (NPI 1548638463) is an individual ophthalmology provider in Weslaco, Texas, licensed in Texas (V1202) and active in the NPI registry since September 2015. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1548638463
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. ORWA JOSEPH NASSERCredential: M.D, M.PH
Location Address1519 E 6TH STWeslaco, TX 78596-6605
Mailing Address1519 E 6th StWeslaco, TX 78596-6605 · (956) 777-7200 · Fax (956) 968-5783
Fax(956) 968-5783
Sole ProprietorYes
Enumeration DateSeptember 9, 2015
Last NPPES UpdateAugust 10, 20262 updates tracked since enumeration
NPPES CertifiedAugust 10, 2026
NPI 1548638463 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in TX · V1202
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
1519 E 6TH ST, Weslaco, TX 78596

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Orwa Joseph Nasser M.d, M.ph is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78596 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Ophthalmology
1519 E 6TH ST
WESLACO, TX 78596
Optometrist
1519 E 6TH ST
WESLACO, TX 78596
Eyewear Supplier
1519 E 6TH ST
WESLACO, TX 78596
Ophthalmology
1519 E 6TH ST
WESLACO, TX 78596
Optometrist
1519 E 6TH ST
WESLACO, TX 78596
Specialist
1519 E 6TH ST
WESLACO, TX 78596
Specialist
1519 E 6TH ST
WESLACO, TX 78596
Optometrist
1519 E 6TH ST
WESLACO, TX 78596

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Orwa Nasser's NPI number?

The NPI number for Orwa Nasser is 1548638463. It was assigned to this individual provider in the NPPES registry on September 9, 2015.

Where is Orwa Nasser located?

Orwa Nasser practices at 1519 E 6th St, Weslaco, TX 78596. The listed phone number is (956) 777-7200.

What is Orwa Nasser's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Orwa Nasser enrolled in Medicare?

Yes. Orwa Nasser is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Orwa Nasser was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.