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MUHAMMAD SHAMIM M.D.
NPI 1326085796
Internal Medicine - Rheumatology in Brownsville, TX

Active since June 02, 2006PECOS EnrolledAccepts Medicare Assignment
99.78/100
CMS Quality Rating
191 E. PRICE ROAD, BROWNSVILLE, TX 78521(956) 548-7400(956) 621-3689 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 7, 2026, Apr 26, 2021, Jul 9, 2018 and 3 more (6 updates tracked since 2016).

About Muhammad Shamim M.d. NPPES

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

MUHAMMAD SHAMIM M.D. (NPI 1326085796) is an individual rheumatology provider in Brownsville, Texas, licensed in Texas (L8952) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1987).

NPPES Registry Identity

NPI1326085796
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameMUHAMMAD SHAMIMCredential: M.D.
Location Address191 E. PRICE ROADBrownsville, TX 78521
Mailing Address191 E Price RdBrownsville, TX 78521-3527 · (956) 548-7400 · Fax (956) 621-3689
Phone(956) 548-7400
Fax(956) 621-3689
Sole ProprietorNo
Medical School CMSOtherGraduated 1987
Enumeration DateJune 2, 2006
Last NPPES UpdateJanuary 7, 20266 updates tracked since enumeration
NPPES CertifiedJanuary 7, 2026
✔ NPI 1326085796 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in TX · L8952
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Also ListedInternal MedicineTaxonomy 207R00000X · License L8952 (TX)
191 E. PRICE ROAD, Brownsville, TX 78521
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

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

Muhammad Shamim 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 ID446221360
PECOS Enrollment IDI20040804000728
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 3

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.

Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
162 services64 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.
139 services50 patients
Manual urinalysis test with examination using microscope, automated 81001
A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.
135 services51 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78521 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.78/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost65.95

Other Providers at the Same Location NPPES 7

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

ROSALIE S. PENAFIEL PA-C
Physician Assistant
191 E. PRICE ROAD
BROWNSVILLE, TX 78521
Cameron County (956) 621-3593
GABRIELLA MUNIZ DENTAL HYGIENIST
Dental Hygienist
191 E. PRICE ROAD
BROWNSVILLE, TX 78521
Cameron County (956) 548-7400
MARIA ELENA GUZMAN RN,WHNP,BS
Nurse Practitioner (Women's Health)
191 E. PRICE ROAD
BROWNSVILLE, TX 78521
Cameron County (956) 621-3593
MARIA ELENA CASTILLO FNP
Nurse Practitioner (Family)
191 E. PRICE ROAD
BROWNSVILLE, TX 78521
Cameron County (956) 548-7400
SARI MILLER PA-C
Physician Assistant (Medical)
191 E. PRICE ROAD
BROWNSVILLE, TX 78521
Cameron County (956) 621-3593
ARMANDO JOEL FLORES PA
Physician Assistant (Medical)
191 E. PRICE ROAD
BROWNSVILLE, TX 78521
Cameron County (956) 621-3593
SUMMIA YAQUB MALHI M.D.
Internal Medicine
191 E. PRICE ROAD
BROWNSVILLE, TX 78521
Cameron County (956) 621-3593

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 Muhammad Shamim's NPI number?

The NPI number for Muhammad Shamim is 1326085796. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is Muhammad Shamim located?

Muhammad Shamim practices at 191 E. Price Road, Brownsville, TX 78521. The listed phone number is (956) 548-7400.

What is Muhammad Shamim's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Muhammad Shamim enrolled in Medicare?

Yes. Muhammad Shamim 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.

What insurance does Muhammad Shamim 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 4 other insurers list Muhammad Shamim 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 Muhammad Shamim was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.