Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MAHMOOD BARAZI M.D.
NPI 1942498803
Internal Medicine in Houston, TX

Active since October 04, 2007PECOS Enrolled
18333 EGRET BAY BLVD STE 140, HOUSTON, TX 77058(281) 332-3001(281) 332-3005 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 21, 2026, Mar 8, 2018 (2 updates tracked since 2018).

About Dr. Mahmood Barazi M.d. NPPES

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

DR. MAHMOOD BARAZI M.D. (NPI 1942498803) is an individual internal medicine provider in Houston, Texas, licensed in Texas (N1342) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Texas Medical Branch Galveston, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1942498803
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MAHMOOD BARAZICredential: M.D.
Location Address18333 EGRET BAY BLVD STE 140Houston, TX 77058-3239
Mailing Address18333 Egret Bay Blvd Ste 140Houston, TX 77058-3239 · (281) 332-3001 · Fax (281) 332-3005
Fax(281) 332-3005
Sole ProprietorNo
Medical School CMSUniversity Of Connecticut School Of MedicineGraduated 2001
Enumeration DateOctober 4, 2007
Last NPPES UpdateOctober 20, 20262 updates tracked since enumeration
NPPES CertifiedOctober 20, 2026
✔ NPI 1942498803 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · N1342
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · NephrologyTaxonomy 207RN0300X · License N1342 (TX)
18333 EGRET BAY BLVD STE 140, Houston, TX 77058

Other Names 1

Professional Name (2)Mahmoud Hammo Barazi Md

Secondary Practice Locations 3

Location 12240 Gulf Fwy SLeague City, TX 77573-5143 · Phone (409) 772-1011
Location 2200 Blossom StWebster, TX 77598-4204 · Phone (832) 632-6500
Location 3502 S Closner BlvdEdinburg, TX 78539-4660 · Phone (956) 292-0100 · Fax (956) 468-2997

Other Identifiers 4

Medicaid286664201TX
Medicaid286664207TX
Medicaid286664208TX
Other8PH131TX · Bcbs

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mahmood Barazi M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8628249489
PECOS Enrollment IDI20110927000810
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 Reassignments

4

Medicare enrollment records show Mahmood Barazi reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
Hospitalist
18333 EGRET BAY BLVD STE 140
Houston, TX 77058
  • Reassigned Medicare billing, Texas enrollment
  • 39 clinicians in this Medicare group
Internal Medicine
502 S CLOSNER BLVD
Edinburg, TX 78539
  • Reassigned Medicare billing, Texas enrollment
  • 67 clinicians in this Medicare group
Hospitalist
110 E SAVANNAH AVE, BLDG B SUITE 203
Mcallen, TX 78503
  • Reassigned Medicare billing, Texas enrollment
  • 40 clinicians in this Medicare group
Internal Medicine
1920 E GRIFFIN PKWY
Mission, TX 78572
  • Reassigned Medicare billing, Texas enrollment
  • 66 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
214 services202 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
74 services13 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
51 services24 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
41 services24 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Texas Medical Branch Galveston

Acute Care Hospitals · Galveston, TX
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number450018
Location301 University BoulevardGalveston, TX 77555 · Galveston County
Emergency services Birthing friendly

South Texas Health System

Acute Care Hospitals · Edinburg, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450119
Location1102 W Trenton RoadEdinburg, TX 78539 · Hidalgo County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77058 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
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 20

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

Nurse Practitioner (Acute Care)
18333 EGRET BAY BLVD STE 140
HOUSTON, TX 77058
Nurse Practitioner (Adult Health)
18333 EGRET BAY BLVD STE 140
HOUSTON, TX 77058
Nurse Practitioner (Gerontology)
18333 EGRET BAY BLVD STE 140
HOUSTON, TX 77058
Hospitalist
18333 EGRET BAY BLVD STE 140
HOUSTON, TX 77058
Nurse Practitioner (Gerontology)
18333 EGRET BAY BLVD STE 140
HOUSTON, TX 77058
Nurse Practitioner (Acute Care)
18333 EGRET BAY BLVD STE 140
HOUSTON, TX 77058
Family Medicine
18333 EGRET BAY BLVD STE 140
HOUSTON, TX 77058
Internal Medicine (Infectious Disease)
18333 EGRET BAY BLVD STE 140
HOUSTON, TX 77058

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 Mahmood Barazi's NPI number?

The NPI number for Mahmood Barazi is 1942498803. It was assigned to this individual provider in the NPPES registry on October 4, 2007. The provider is also known as Mahmoud Hammo Barazi MD.

Where is Mahmood Barazi located?

Mahmood Barazi practices at 18333 Egret Bay Blvd Ste 140, Houston, TX 77058. The listed phone number is (281) 332-3001.

What is Mahmood Barazi's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mahmood Barazi enrolled in Medicare?

Yes. Mahmood Barazi is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mahmood Barazi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mahmood Barazi reassigns Medicare benefits to 4 organizations: Xpertmd (Houston, TX), Monzer H Yazji MD & Associates PLLC (Edinburg, TX), MD Hospitalists PLLC (Mcallen, TX) and South Texas Physician Partners PLLC (Mission, TX). Each 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 Mahmood Barazi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mahmood Barazi accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Mahmood Barazi 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.

Is Mahmood Barazi affiliated with any hospitals?

According to CMS data, Mahmood Barazi is affiliated with University Of Texas Medical Branch Galveston and South Texas Health System.

When was this NPI record last updated?

The NPPES record for Mahmood Barazi was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.