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ROLANDO G. DIAZ M.D.
NPI 1033210356
Emergency Medicine in Houston, TX

Active since September 26, 2006PECOS Enrolled
233 W PARKER RD, HOUSTON, TX 77076(281) 363-3156(281) 419-1244 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Rolando G. Diaz M.d. NPPES

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

ROLANDO G. DIAZ M.D. (NPI 1033210356) is an individual emergency medicine provider in Houston, Texas, licensed in Texas (K8891) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1033210356
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameROLANDO G. DIAZCredential: M.D.
Location Address233 W PARKER RDHouston, TX 77076-2915
Mailing AddressPo Box 4961Houston, TX 77210-4961 · (281) 363-3156 · Fax (281) 419-1244
Phone(281) 363-3156
Fax(281) 419-1244
Sole ProprietorNo
Enumeration DateSeptember 26, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1033210356 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 · K8891
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.
233 W PARKER RD, Houston, TX 77076
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Other Identifiers 1

Medicare UPINH20260

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, 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)

Rolando G. Diaz M.d. 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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
35 services33 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
31 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77076 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
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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 8

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

STEPHEN S. CHUN M.D.
Emergency Medicine
233 W PARKER RD
HOUSTON, TX 77076
Harris County (281) 363-3156
MICHAEL K. BROWNLEE M.D.
Emergency Medicine
233 W PARKER RD
HOUSTON, TX 77076
Harris County (281) 363-3156
NORTH HOUSTON EMERGENCY PHYSICIANS ASSOCIATION
Emergency Medicine
233 W PARKER RD, ATTN: ER
HOUSTON, TX 77076
Harris County (281) 765-2930
DAYLE HEIN M.D.
Emergency Medicine
233 W PARKER RD
HOUSTON, TX 77076
Harris County (281) 363-3156
LANCE BATES CRNA
Nurse Anesthetist, Certified Registered
233 W PARKER RD
HOUSTON, TX 77076
Harris County (281) 580-9030
NORMA M RIVERA-OPIO MD PA
Internal Medicine
233 W PARKER RD
HOUSTON, TX 77076
Harris County (281) 697-2831
PEGGY A HERRON CRNA
Nurse Anesthetist, Certified Registered
233 W PARKER RD
HOUSTON, TX 77076
Harris County (281) 580-9030
SPRING STAFFING SERVICES LLC
Emergency Medicine
233 W PARKER RD
HOUSTON, TX 77076
Harris County (214) 390-7697

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 Rolando Diaz's NPI number?

The NPI number for Rolando Diaz is 1033210356. It was assigned to this individual provider in the NPPES registry on September 26, 2006.

Where is Rolando Diaz located?

Rolando Diaz practices at 233 W Parker Rd, Houston, TX 77076. The listed phone number is (281) 363-3156.

What is Rolando Diaz's specialty?

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

Is Rolando Diaz enrolled in Medicare?

Yes. Rolando Diaz is registered in the Medicare PECOS enrollment system.

What insurance does Rolando Diaz accept?

Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Rolando Diaz 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 Rolando Diaz was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.