What is Anh-Hong Unger's NPI number?

Anh-Hong Unger's National Provider Identifier (NPI) is 1992835490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Anh-Hong Unger's specialty?

Anh-Hong Unger is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).

Where is Anh-Hong Unger located?

Anh-Hong Unger's practice location on file with NPPES is 155 Louetta Xing, Spring, TX 77373-3007.

What is Anh-Hong Unger's phone number?

The practice phone number listed in the NPPES registry for Anh-Hong Unger is (281) 350-9992.

Does Anh-Hong Unger accept Medicare?

Anh-Hong Unger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Anh-Hong Unger's NPI active?

Yes — Anh-Hong Unger's NPI (1992835490) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActiveAccepts Medicare

Anh-Hong Unger, O.D.

NPI 1992835490 · Optometrist · Spring, TX

Anh-Hong Unger, O.D. is a Optometrist provider in Spring, TX (NPI 1992835490).

Provider details

NPI number: 1992835490
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: O.D.
Sex: Female
Sole proprietor: Yes
License: 5336TG (TX)

Practice location

155 Louetta Xing

Spring, TX 77373-3007

Phone: (281) 350-9992

Fax: (281) 350-9992

Street-level locationGet directions

More TX providers

Mailing address

507 Bridge Crest Blvd

Houston, TX 77082-1539

Specialties & taxonomies

OptometristPrimary152W00000XLicense 5336TG (TX)
Eye and Vision Services Providers

Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure33% of score
19 yrs in NPPES registry
Profile completeness33% of score
100% of core fields populated
Practice footprint20% of score
1 documented practice location
Open Payments transparency13% of score
Has Open Payments disclosures (2024)

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$13 across 1 record (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2007-03-06
Last updated: 2007-07-08

Frequently asked questions

What is Anh-Hong Unger's NPI number?: Anh-Hong Unger's National Provider Identifier (NPI) is 1992835490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Anh-Hong Unger's specialty?: Anh-Hong Unger is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
Where is Anh-Hong Unger located?: Anh-Hong Unger's practice location on file with NPPES is 155 Louetta Xing, Spring, TX 77373-3007.
What is Anh-Hong Unger's phone number?: The practice phone number listed in the NPPES registry for Anh-Hong Unger is (281) 350-9992.
Does Anh-Hong Unger accept Medicare?: Anh-Hong Unger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Anh-Hong Unger's NPI active?: Yes — Anh-Hong Unger's NPI (1992835490) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Transparency — industry payments

Frequently asked questions