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THERESA NGOC HOANG OD
NPI 1285278341
Optometrist in Castle Rock, CO

Active since November 01, 2019PECOS EnrolledAccepts Medicare Assignment
1001 S PERRY ST STE 101B, CASTLE ROCK, CO 80104(303) 337-2020(303) 337-2053 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Theresa Ngoc Hoang Od NPPES

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

THERESA NGOC HOANG OD (NPI 1285278341) is an individual optometrist in Castle Rock, Colorado, licensed in Colorado (OPT.0003496) and active in the NPI registry since November 2019. She is enrolled in Medicare PECOS and is a graduate of University Of Houston - College Of Optometry (2019).

NPPES Registry Identity

NPI1285278341
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameTHERESA NGOC HOANGCredential: OD
Location Address1001 S PERRY ST STE 101BCastle Rock, CO 80104-1921
Mailing Address801 S Cherry St Apt 344Glendale, CO 80246-2654 · (316) 518-2317
Phone(303) 337-2020
Fax(303) 337-2053
Sole ProprietorNo
Medical School CMSUniversity Of Houston - College Of OptometryGraduated 2019
Enumeration DateNovember 1, 2019
Last NPPES UpdateJune 22, 2026
NPPES CertifiedJune 22, 2026
✔ NPI 1285278341 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 CO · OPT.0003496
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.
1001 S PERRY ST STE 101B, Castle Rock, CO 80104
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma 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

Theresa Ngoc Hoang 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 ID5597180273
PECOS Enrollment IDI20200729002259
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 Theresa Hoang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Elevation Vision Od PLLC
Same address
Optometrist
1001 S PERRY ST STE 101B
Castle Rock, CO 80104
  • Reassigned Medicare billing, Colorado enrollment
  • 3 clinicians in this Medicare group
NPI 1467957746 (303) 337-2020

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 80104 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
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
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 5

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

MRS. AMY LYNNE OSSIAN PA-C
Physician Assistant (Medical)
1001 S PERRY ST STE 101B
CASTLE ROCK, CO 80104
Douglas County (303) 699-1395
ELEVATION VISION OD PLLC
Optometrist
1001 S PERRY ST STE 101B
CASTLE ROCK, CO 80104
Douglas County (303) 337-2020
JENNIFER LYNNE ANDERSON M.D.
Pediatrics
1001 S PERRY ST STE 101B
CASTLE ROCK, CO 80104
Douglas County (303) 688-2228
DR. GARRETT MOEN O.D.
Optometrist
1001 S PERRY ST STE 101B
CASTLE ROCK, CO 80104
Douglas County (303) 337-2020
LAURA ANNE WESTOVER PA-C
Physician Assistant
1001 S PERRY ST STE 101B
CASTLE ROCK, CO 80104
Douglas County (303) 688-2228

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 Theresa Hoang's NPI number?

The NPI number for Theresa Hoang is 1285278341. It was assigned to this individual provider in the NPPES registry on November 1, 2019.

Where is Theresa Hoang located?

Theresa Hoang practices at 1001 S Perry St Ste 101B, Castle Rock, CO 80104. The listed phone number is (303) 337-2020.

What is Theresa Hoang's specialty?

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

Is Theresa Hoang enrolled in Medicare?

Yes. Theresa Hoang 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 Theresa Hoang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Hoang reassigns Medicare benefits to Elevation Vision Od PLLC (Castle Rock, CO). 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 Theresa Hoang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Theresa Hoang accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Theresa Hoang 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 Theresa Hoang was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.