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OTTO MARQUEZ MD
NPI 1942243365
Emergency Medicine in Dallas, TX

Active since June 14, 2006PECOS Enrolled
8200 WALNUT HILL LN, DALLAS, TX 75231(214) 345-6789 Get Directions Write a Review

NPPES record last updated: February 11, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Otto Marquez Md NPPES

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

OTTO MARQUEZ MD (NPI 1942243365) is an individual emergency medicine provider in Dallas, Texas, licensed in Texas (H9466) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942243365
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameOTTO MARQUEZCredential: MD
Location Address8200 WALNUT HILL LNDallas, TX 75231-4426
Mailing AddressPo Box 8549Fort Worth, TX 76124-0549 · (817) 451-4208 · Fax (817) 563-3699
Phone(214) 345-6789
Sole ProprietorNo
Enumeration DateJune 14, 2006
Last NPPES UpdateFebruary 11, 2008
✔ NPI 1942243365 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 · H9466
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.
8200 WALNUT HILL LN, Dallas, TX 75231
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Other Identifiers 3

Other0079DDTX · Bcbs
Medicare UPINF20597TX
Medicare PIN00455GTX

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Otto Marquez Md 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.

Medicare Billing Reassignment

Medicare enrollment records show Otto Marquez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Texas Medicine Resources, LLP
28 mi
Emergency Medicine
6451 BRENTWOOD STAIR RD, SUITE 200
Fort Worth, TX 76112
  • Reassigned Medicare billing, Texas enrollment
  • 545 clinicians in this Medicare group
NPI 1376581900 (817) 496-9700

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 75231 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
$88.19 typical visit price
range $57.18 – $172.86
Typical copayment $22.04 (range $14.29 – $43.21)
Most-billed visit code 99203
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
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.

MUPPIDI REHAB, PLLC
Physical Medicine & Rehabilitation
8200 WALNUT HILL LN
DALLAS, TX 75231
Dallas County (214) 345-6789
DR. JOYZELLE HEROD MCCREARY PH.D.
Psychologist (Clinical)
8200 WALNUT HILL LN, DEPARTMENT OF PSYCHIATRY
DALLAS, TX 75231
Dallas County (214) 345-7355
DR. TIMOTHY A. MOORE M.D.
Anesthesiology
8200 WALNUT HILL LN
DALLAS, TX 75231
Dallas County (214) 345-6148
LISA-ANN WUERMSER MD
Physical Medicine & Rehabilitation
8200 WALNUT HILL LN
DALLAS, TX 75231
Dallas County (763) 520-0453
DARREN IMPHEAN MD
Student in an Organized Health Care Education/Training Program
8200 WALNUT HILL LN
DALLAS, TX 75231
Dallas County (214) 345-6789
MRS. MEREDITH DOERRIES RATLIFF
Dietitian, Registered
8200 WALNUT HILL LN
DALLAS, TX 75231
Dallas County (214) 345-7413
DR. ZAID SHAH DO
Internal Medicine
8200 WALNUT HILL LN
DALLAS, TX 75231
Dallas County (817) 881-3127
DR. URSZULA BARBARA KELLEY M.D.
Psychiatry & Neurology (Psychiatry)
8200 WALNUT HILL LN
DALLAS, TX 75231
Dallas County (214) 345-7355

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 Otto Marquez's NPI number?

The NPI number for Otto Marquez is 1942243365. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is Otto Marquez located?

Otto Marquez practices at 8200 Walnut Hill Ln, Dallas, TX 75231. The listed phone number is (214) 345-6789.

What is Otto Marquez's specialty?

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

Is Otto Marquez enrolled in Medicare?

Yes. Otto Marquez is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Otto Marquez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Otto Marquez reassigns Medicare benefits to Texas Medicine Resources, LLP (Fort Worth, TX). 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 Otto Marquez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Otto Marquez was last updated on February 11, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.