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ELIZABETH MARY COLLYER
NPI 1790488492
Emergency Medicine in Katy, TX

Active since March 23, 2023PECOS Enrolled
23900 KATY FWY, KATY, TX 77494(281) 644-7000 Get Directions Write a Review

NPPES record last updated: September 8, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 8, 2026, Mar 23, 2023 (2 updates tracked since 2023).

About Elizabeth Mary Collyer NPPES

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

ELIZABETH MARY COLLYER (NPI 1790488492) is an individual emergency medicine provider in Katy, Texas, licensed in Texas (W7651) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS and maintains a secondary practice location in Houston.

NPPES Registry Identity

NPI1790488492
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameELIZABETH MARY COLLYER
Location Address23900 KATY FWYKaty, TX 77494-1323
Mailing Address6431 Fannin StHouston, TX 77030-1501
Phone(281) 644-7000
Sole ProprietorNo
Enumeration DateMarch 23, 2023
Last NPPES UpdateSeptember 8, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2026
✔ NPI 1790488492 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in TX · W7651
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
23900 KATY FWY, Katy, TX 77494
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Secondary Practice Location 1

Location 16411 Fannin StHouston, TX 77030-1501 · Phone (713) 704-4000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Elizabeth Mary Collyer is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 77494 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
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 20

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

JUSTIN SMITH NP
Nurse Practitioner
23900 KATY FWY
KATY, TX 77494
Fort Bend County (281) 644-7000
JESSICA LAN TO MD
Pediatrics
23900 KATY FWY
KATY, TX 77494
Fort Bend County (281) 644-7000
DR. NIKEISHA ANN OKPARA M.D
Hospitalist
23900 KATY FWY
KATY, TX 77494
Fort Bend County (281) 644-8111
BRANDON PAUL STLAWRENCE FNP-C
Nurse Practitioner (Family)
23900 KATY FWY
KATY, TX 77494
Fort Bend County (281) 644-7000
KHILAN PINDORIA M.D.
Hospitalist
23900 KATY FWY
KATY, TX 77494
Fort Bend County (281) 644-8111
PEDRO JAVIER RIERA C-SA
Specialist/Technologist, Other (Surgical Assistant)
23900 KATY FWY
KATY, TX 77494
Fort Bend County (713) 513-7800
KAMAL PATEL NP
Nurse Practitioner (Family)
23900 KATY FWY
KATY, TX 77494
Fort Bend County (281) 644-7050
MEMORIAL HERMANN HEALTH SYSTEM
Clinic/Center (Ambulatory Surgical)
23900 KATY FWY
KATY, TX 77494
Fort Bend County (281) 644-7000

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 Elizabeth Collyer's NPI number?

The NPI number for Elizabeth Collyer is 1790488492. It was assigned to this individual provider in the NPPES registry on March 23, 2023.

Where is Elizabeth Collyer located?

Elizabeth Collyer practices at 23900 Katy Fwy, Katy, TX 77494. The listed phone number is (281) 644-7000.

What is Elizabeth Collyer's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Elizabeth Collyer enrolled in Medicare?

Yes. Elizabeth Collyer is registered in the Medicare PECOS enrollment system.

What insurance does Elizabeth Collyer accept?

Health plans from Oscar Insurance Company list Elizabeth Collyer 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 Elizabeth Collyer was last updated on September 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.