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DR. MARLENE C CHANG-BROWN MD
NPI 1659471696
Internal Medicine in Mcallen, TX

Active since September 22, 2006PECOS EnrolledAccepts Medicare Assignment
1417 N WARE RD STE 300, MCALLEN, TX 78501(956) 585-4704(956) 585-6775 Get Directions Write a Review

NPPES record last updated: May 22, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Marlene C Chang-brown Md NPPES

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

DR. MARLENE C CHANG-BROWN MD (NPI 1659471696) is an individual internal medicine provider in Mcallen, Texas, licensed in Texas (J9998) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1987).

NPPES Registry Identity

NPI1659471696
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARLENE C CHANG-BROWNCredential: MD
Location Address1417 N WARE RD STE 300Mcallen, TX 78501-8587
Mailing Address1417 N Ware Rd Ste 300Mcallen, TX 78501-8587 · (956) 585-4704 · Fax (956) 585-6775
Phone(956) 585-4704
Fax(956) 585-6775
Sole ProprietorNo
Medical School CMSOtherGraduated 1987
Enumeration DateSeptember 22, 2006
Last NPPES UpdateMay 22, 2023
NPPES CertifiedMay 22, 2023
✔ NPI 1659471696 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · J9998
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.
1417 N WARE RD STE 300, Mcallen, TX 78501
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Marlene C Chang-brown Md 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 ID2264569672
PECOS Enrollment IDI20100415000964
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 78501 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
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.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Wheelchair accessory, addition to power seating system, power leg elevation system, including leg rest, pair E1010
DME-Wheelchairs · category DD021N
1 supplier26 claims26 services$935.17 avg. paid by Medicare
Shock absorber for power wheelchair, each E1016
DME-Wheelchairs · category DD021N
1 supplier16 claims32 services$92.26 avg. paid by Medicare
Power wheelchair accessory, group 24 sealed lead acid battery, each (e.g., gel cell, absorbed glassmat) E2363
DME-Wheelchairs · category DD009N
1 supplier18 claims36 services$113.27 avg. paid by Medicare
Power wheelchair component, integrated drive wheel motor and gear box combination, replacement only E2370
DME-Wheelchairs · category DD009N
1 supplier27 claims54 services$485.33 avg. paid by Medicare
Power wheelchair accessory, expandable controller, including all related electronics and mounting hardware, replacement only E2376
DME-Wheelchairs · category DD009N
1 supplier37 claims37 services$1,057.97 avg. paid by Medicare
Power wheelchair accessory, foam filled caster tire, any size, replacement only, each E2387
DME-Wheelchairs · category DD009N
1 supplier13 claims26 services$38.42 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

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

CAROLINA JUAREZ MENDEZ PA-C
Physician Assistant
1417 N WARE RD STE 300
MCALLEN, TX 78501
Hidalgo County (956) 585-4704
CHELSY CAVAZOS FNP-BC
Nurse Practitioner (Primary Care)
1417 N WARE RD STE 300
MCALLEN, TX 78501
Hidalgo County (956) 585-4704
DENNIS YANNETH MARTINEZ-GARZA AGNP-BC
Nurse Practitioner (Family)
1417 N WARE RD STE 300
MCALLEN, TX 78501
Hidalgo County (956) 585-4704

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 Marlene Chang-brown's NPI number?

The NPI number for Marlene Chang-brown is 1659471696. It was assigned to this individual provider in the NPPES registry on September 22, 2006.

Where is Marlene Chang-brown located?

Marlene Chang-brown practices at 1417 N Ware Rd Ste 300, Mcallen, TX 78501. The listed phone number is (956) 585-4704.

What is Marlene Chang-brown's specialty?

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

Is Marlene Chang-brown enrolled in Medicare?

Yes. Marlene Chang-brown 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.

When was this NPI record last updated?

The NPPES record for Marlene Chang-brown was last updated on May 22, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.