1. Home
  2. Directory
  3. Texas
  4. Humble
  5. Optometrist
  6. NPI Profile

MARISSA ERIN GRAY OD
NPI 1083458178
Optometrist in Humble, TX

Active since June 24, 2024PECOS EnrolledAccepts Medicare Assignment
8503 N SAM HOUSTON PKWY E, HUMBLE, TX 77396(346) 674-3500 Get Directions Write a Review

NPPES record last updated: August 26, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Marissa Erin Gray Od NPPES

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

MARISSA ERIN GRAY OD (NPI 1083458178) is an individual optometrist in Humble, Texas, licensed in Texas (11197TG) and active in the NPI registry since June 2024. She is enrolled in Medicare PECOS and is a graduate of University Of Houston - College Of Optometry (2024).

NPPES Registry Identity

NPI1083458178
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameMARISSA ERIN GRAYCredential: OD
Location Address8503 N SAM HOUSTON PKWY EHumble, TX 77396-2925
Mailing Address11511 Shadow Creek PkwyPearland, TX 77584-7298 · (713) 442-0000
Phone(346) 674-3500
Sole ProprietorNo
Medical School CMSUniversity Of Houston - College Of OptometryGraduated 2024
Enumeration DateJune 24, 2024
Last NPPES UpdateAugust 26, 2025
NPPES CertifiedAugust 26, 2025
✔ NPI 1083458178 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in TX · 11197TG
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
8503 N SAM HOUSTON PKWY E, Humble, TX 77396
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marissa Erin Gray Od 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 ID5496280133
PECOS Enrollment IDI20241119000785
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 77396 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
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 2

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

NEDA TAHVILIAN OD
Optometrist
8503 N SAM HOUSTON PKWY E
HUMBLE, TX 77396
Harris County (346) 674-3500
MR. TIM QUOC TRAN FNP-C
Nurse Practitioner (Family)
8503 N SAM HOUSTON PKWY E
HUMBLE, TX 77396
Harris County (346) 674-3500

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 Marissa Gray's NPI number?

The NPI number for Marissa Gray is 1083458178. It was assigned to this individual provider in the NPPES registry on June 24, 2024.

Where is Marissa Gray located?

Marissa Gray practices at 8503 N Sam Houston Pkwy E, Humble, TX 77396. The listed phone number is (346) 674-3500.

What is Marissa Gray's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Marissa Gray enrolled in Medicare?

Yes. Marissa Gray 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.

When was this NPI record last updated?

The NPPES record for Marissa Gray was last updated on August 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.