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

DR. MUAZER AHMED M.D
NPI 1891113577
Internal Medicine - Nephrology in Texarkana, TX

Active since March 31, 2014PECOS Enrolled
5002 COWHORN CREEK RD, TEXARKANA, TX 75503(903) 614-3000(903) 614-3525 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: Oct 14, 2026, Aug 21, 2019, Aug 8, 2019 and 1 more (4 updates tracked since 2017).

About Dr. Muazer Ahmed M.d NPPES

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

DR. MUAZER AHMED M.D (NPI 1891113577) is an individual nephrology provider in Texarkana, Texas, licensed in Texas (S3105) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, is affiliated with Mccurtain Memorial Hospital, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1891113577
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. MUAZER AHMEDCredential: M.D
Location Address5002 COWHORN CREEK RDTexarkana, TX 75503-9766
Mailing Address5002 Cowhorn Creek RdTexarkana, TX 75503-9766 · (903) 614-3000 · Fax (903) 614-3525
Fax(903) 614-3525
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateMarch 31, 2014
Last NPPES UpdateOctober 20, 20264 updates tracked since enumeration
NPPES CertifiedOctober 20, 2026
✔ NPI 1891113577 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Licenses✔ Licensed in TX · S3105✔ Licensed in AR · E12500✔ Licensed in OK · 35125
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
5002 COWHORN CREEK RD, Texarkana, TX 75503

Secondary Practice Locations 4

Location 1816 East StTexarkana, AR 71854-6808 · Phone (870) 772-2756
Location 2130 Tankersley Rd Ste 200MT Pleasant, TX 75455-1604 · Phone (903) 606-7480 · Fax (903) 606-7489
Location 3115 Airport RdSulphur Springs, TX 75482-2105 · Phone (903) 438-4670 · Fax (903) 885-8720
Location 41319 S Lynn LnIdabel, OK 74745-6845 · Phone (580) 286-1108

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Muazer Ahmed M.d 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 ID2466673066
PECOS Enrollment IDI20190828002367, I20190828003068
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

2

Medicare enrollment records show Muazer Ahmed reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nephrology
5002 COWHORN CREEK RD
Texarkana, TX 75503
  • Reassigned Medicare billing, Oklahoma enrollment
  • 7 clinicians in this Medicare group
Family Medicine
520 DOUGLAS BLVD
Tyler, TX 75702
  • Reassigned Medicare billing, Texas enrollment
  • 2,745 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 25

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
631 services149 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.
312 services177 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
144 services90 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
142 services96 patients
Parathormone (parathyroid hormone) level 83970
The Parathormone level test measures the amount of parathyroid hormone in your blood. This hormone controls calcium and phosphorus levels in the body, which are vital for bone health. Abnormal levels may indicate issues like kidney disease or parathyroid gland disorders.
140 services95 patients
Creatinine level to test for kidney function or muscle injury 82570
A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.
129 services87 patients

Hospital Affiliations CMS Care Compare 2

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

Mccurtain Memorial Hospital

Critical Access Hospitals · Idabel, OK
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number371342
Location1301 Lincoln RoadIdabel, OK 74745 · Mccurtain County
Emergency services

Christus St Michael Health System

Acute Care Hospitals · Texarkana, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450801
Location2600 St Michael DrTexarkana, TX 75503 · Bowie County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75503 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.

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 (Family)
5002 COWHORN CREEK RD
TEXARKANA, TX 75503
Urology
5002 COWHORN CREEK RD
TEXARKANA, TX 75503
Psychiatry & Neurology (Psychiatry)
5002 COWHORN CREEK RD
TEXARKANA, TX 75503
Internal Medicine (Cardiovascular Disease)
5002 COWHORN CREEK RD
TEXARKANA, TX 75503
Allergy & Immunology
5002 COWHORN CREEK RD
TEXARKANA, TX 75503
Internal Medicine (Rheumatology)
5002 COWHORN CREEK RD
TEXARKANA, TX 75503
Internal Medicine (Gastroenterology)
5002 COWHORN CREEK RD
TEXARKANA, TX 75503
Physician Assistant
5002 COWHORN CREEK RD
TEXARKANA, TX 75503

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 Muazer Ahmed's NPI number?

The NPI number for Muazer Ahmed is 1891113577. It was assigned to this individual provider in the NPPES registry on March 31, 2014.

Where is Muazer Ahmed located?

Muazer Ahmed practices at 5002 Cowhorn Creek Rd, Texarkana, TX 75503. The listed phone number is (903) 614-3000.

What is Muazer Ahmed's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Muazer Ahmed enrolled in Medicare?

Yes. Muazer Ahmed 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.

Which organizations bill Medicare for Muazer Ahmed's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Muazer Ahmed reassigns Medicare benefits to 2 organizations: Collom & Carney Clinic Association (Texarkana, TX) and Christus Trinity Clinic Texas (Tyler, 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 Muazer Ahmed's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Muazer Ahmed accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 6 other insurers list Muazer Ahmed 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 Muazer Ahmed affiliated with any hospitals?

According to CMS data, Muazer Ahmed is affiliated with Mccurtain Memorial Hospital and Christus St Michael Health System.

When was this NPI record last updated?

The NPPES record for Muazer Ahmed 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 11 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.