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IRIS MIAO O.D.
NPI 1477901015
Optometrist in Houston, TX

Active since May 24, 2016PECOS EnrolledAccepts Medicare Assignment
4899 GRIGGS RD, HOUSTON, TX 77021(713) 748-5000(713) 748-8707 Get Directions Write a Review

NPPES record last updated: June 28, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 19, 2019, Jul 14, 2017 (2 updates tracked since 2017).

About Iris Miao O.d. NPPES

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

IRIS MIAO O.D. (NPI 1477901015) is an individual optometrist in Houston, Texas, licensed in Texas (8888TG) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Katy, and is a graduate of University Of Houston - College Of Optometry (2016).

NPPES Registry Identity

NPI1477901015
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameIRIS MIAOCredential: O.D.
Location Address4899 GRIGGS RDHouston, TX 77021-2855
Mailing Address11511 Shadow Creek PkwyPearland, TX 77584-7298 · (713) 442-4997
Phone(713) 748-5000
Fax(713) 748-8707
Sole ProprietorNo
Medical School CMSUniversity Of Houston - College Of OptometryGraduated 2016
Enumeration DateMay 24, 2016
Last NPPES UpdateJune 28, 20222 updates tracked since enumeration
NPPES CertifiedJune 28, 2022
✔ NPI 1477901015 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 · 8888TG
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.
4899 GRIGGS RD, Houston, TX 77021
Open in Google Maps ↗

Secondary Practice Location 1

Location 12510 W Grand Pkwy NKaty, TX 77449-2853 · Phone (713) 442-4222

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections 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

Iris Miao O.d. 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 ID1456643352
PECOS Enrollment IDI20170731002812
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 Reassignments

7

Medicare enrollment records show Iris Miao reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Kelsey-Seybold Medical Group, PLLC
4.8 mi
Multi-Specialty
2727 W HOLCOMBE BLVD
Houston, TX 77025
  • Reassigned Medicare billing, Texas enrollment
  • 1,649 clinicians in this Medicare group
NPI 1013915255 (713) 442-0000
Lens Logic
5.0 mi
Optometrist
2055 WESTHEIMER RD STE 125
Houston, TX 77098
  • Reassigned Medicare billing, Texas enrollment
  • 2 clinicians in this Medicare group
NPI 1457194698 (832) 240-8918
Tso Richmond Aliana PA
23 mi
Optometrist
10117 W. GRAND PARKWAY SOUTH, SUITE 101
Richmond, TX 77407
  • Reassigned Medicare billing, Texas enrollment
  • 6 clinicians in this Medicare group
NPI 1730732728 (832) 781-2020
Tso Kingwood North Park PA
26 mi
Optometrist
25639 US HWY 59 NORTH, SUITE 109
Kingwood, TX 77339
  • Reassigned Medicare billing, Texas enrollment
  • 6 clinicians in this Medicare group
NPI 1265867931 (832) 934-1166
Tso Rayford PA
28 mi
Optometrist
3535 RAYFORD ROAD, SUITE 500
Spring, TX 77386
  • Reassigned Medicare billing, Texas enrollment
  • 6 clinicians in this Medicare group
NPI 1760843817 (832) 810-2020
Aeg Texas Professional PLLC
230 mi
Optometrist
205B W WATER ST
Kerrville, TX 78028
  • Reassigned Medicare billing, Texas enrollment
  • 404 clinicians in this Medicare group
NPI 1457905937 (830) 896-2600
University Of Alabama At Birmingham
526 mi
Family Medicine
1023 MEDICAL CENTER PKWY, SUITE 200
Selma, AL 36701
  • Reassigned Medicare billing, Alabama enrollment
  • 460 clinicians in this Medicare group
NPI 1144235870 (334) 875-4184

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 77021 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 4

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

CKIKE R. MORDI
Optometrist
4899 GRIGGS RD, SUITE A
HOUSTON, TX 77021
Harris County (713) 748-5000
CHIKE R MORDI O.D.
Optometrist
4899 GRIGGS RD
HOUSTON, TX 77021
Harris County (713) 748-5000
EYE DOCTOR HOUSTON PC
Optometrist
4899 GRIGGS RD
HOUSTON, TX 77021
Harris County (713) 748-5000
DR. BRAYDON EARL SPICER OD,
Optometrist
4899 GRIGGS RD
HOUSTON, TX 77021
Harris County (713) 748-5000

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 Iris Miao's NPI number?

The NPI number for Iris Miao is 1477901015. It was assigned to this individual provider in the NPPES registry on May 24, 2016.

Where is Iris Miao located?

Iris Miao practices at 4899 Griggs Rd, Houston, TX 77021. The listed phone number is (713) 748-5000.

What is Iris Miao's specialty?

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

Is Iris Miao enrolled in Medicare?

Yes. Iris Miao 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 organizations bill Medicare for Iris Miao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Iris Miao reassigns Medicare benefits to 7 organizations: Kelsey-Seybold Medical Group, PLLC (Houston, TX), Lens Logic (Houston, TX), Tso Richmond Aliana PA (Richmond, TX), Tso Kingwood North Park PA (Kingwood, TX), Tso Rayford PA (Spring, TX) and 2 more organizations, listed in the Medicare section above. Each 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 Iris Miao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Iris Miao accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 16 other insurers list Iris Miao 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 Iris Miao was last updated on June 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.