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RAUL MEMBRENO MD, MPH
NPI 1821675190
Ophthalmology in San Antonio, TX

Active since March 24, 2021PECOS EnrolledAccepts Medicare Assignment
2810 N LOOP 1604 W STE 200, SAN ANTONIO, TX 78248(210) 385-1785 Get Directions Write a Review

NPPES record last updated: June 26, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 26, 2025, Mar 24, 2021 (2 updates tracked since 2021).

About Raul Membreno Md, Mph NPPES

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

RAUL MEMBRENO MD, MPH (NPI 1821675190) is an individual ophthalmology provider in San Antonio, Texas, licensed in Texas (V6063) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical School At San Antonio (2021).

NPPES Registry Identity

NPI1821675190
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameRAUL MEMBRENOCredential: MD, MPH
Location Address2810 N LOOP 1604 W STE 200San Antonio, TX 78248-2230
Mailing Address8006 Cooper MlSan Antonio, TX 78255-2322
Phone(210) 385-1785
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 2021
Enumeration DateMarch 24, 2021
Last NPPES UpdateJune 26, 20252 updates tracked since enumeration
NPPES CertifiedJune 26, 2025
✔ NPI 1821675190 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in TX · V6063
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.
2810 N LOOP 1604 W STE 200, San Antonio, TX 78248
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Texas, Blue Cross Blue Shield of Wyoming and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Raul Membreno Md, Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5991106031
PECOS Enrollment IDI20250620001740
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.

Medicare Billing Reassignment

Medicare enrollment records show Raul Membreno reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nader G Iskander MD PA
Same address
Ophthalmology
2810 N LOOP 1604 W STE 200
San Antonio, TX 78248
  • Reassigned Medicare billing, Texas enrollment
  • 7 clinicians in this Medicare group
NPI 1366571093 (210) 822-9800

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78248 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 6

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

CORINA ALYSSA BONILLA OD
Optometrist
2810 N LOOP 1604 W STE 200
SAN ANTONIO, TX 78248
Bexar County (210) 822-9800
TIMOTHY PETERSON LINDQUIST MD
Ophthalmology
2810 N LOOP 1604 W STE 200
SAN ANTONIO, TX 78248
Bexar County (210) 822-9800
MRS. GENEVA MEANS OD
Optometrist
2810 N LOOP 1604 W STE 200
SAN ANTONIO, TX 78248
Bexar County (210) 822-9800
NADER G ISKANDER MD PA
Ophthalmology
2810 N LOOP 1604 W STE 200
SAN ANTONIO, TX 78248
Bexar County (210) 822-9800
DR. MATEO ALVAREZ OD
Optometrist
2810 N LOOP 1604 W STE 200
SAN ANTONIO, TX 78248
Bexar County (210) 822-9800
DR. KAITLYN GRACE WILLIAMS OD
Optometrist
2810 N LOOP 1604 W STE 200
SAN ANTONIO, TX 78248
Bexar County (210) 822-9800

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 Raul Membreno's NPI number?

The NPI number for Raul Membreno is 1821675190. It was assigned to this individual provider in the NPPES registry on March 24, 2021.

Where is Raul Membreno located?

Raul Membreno practices at 2810 N Loop 1604 W Ste 200, San Antonio, TX 78248. The listed phone number is (210) 385-1785.

What is Raul Membreno's specialty?

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

Is Raul Membreno enrolled in Medicare?

Yes. Raul Membreno is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Raul Membreno's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Raul Membreno reassigns Medicare benefits to Nader G Iskander MD PA (San Antonio, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Raul Membreno's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Raul Membreno accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Raul Membreno as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Raul Membreno was last updated on June 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.