Gladys C Weng, D.O.

Internal Medicine

(512) 396-3911San Marcos, TX
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Gladys C Weng, D.O. has been part of the San Marcos medical community since 2006 in group practice. A University of North Texas Hsc, College of Osteopathic Med graduate since 1998, she brings 28+ years of experience. CMS Medicare data shows her patients commonly have hypertension, high cholesterol, and arthritis.

At a glance

  • Prescribes opioids less than 43% of reporting doctors in Texas
  • Virtual visits available — no app or travel required
1 of 1,507 Internal Medicine providers in TXSee all Internal Medicine in San Marcos28+ years experienceNPI since 2006

Older · 5361dNPPES updated 2011-09-01 · verify on CMS

Contact & Location

Practice Location

1320 Wonder World Dr 101, San Marcos, TX 78666-7557

Fax: (512) 353-8052
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor prescribes opioid pain medications conservatively.

Opioid Rx

↓ Lower = better

1.09%

Texas avg: 5.2 · US avg: 5.1

Higher than most doctors nationally(-4 pts)

Typical range among reporting doctors in Texas

1.09% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Medicare Patients

165

Unique beneficiaries

Standard volume

Prescription Recipients

232

Patients prescribed

Prescriptions Written

2,475

Total claims

Total Medicare drug cost: $254k

Percentile rankings compared against 4,889 reporting peers in Texas.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.

Hypertension
Higher than avg (+2%)72%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↑ More patients than average (+2%) — a focus area for this doctor

High Cholesterol
Lower than avg (-2%)68%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-2%) — less common here

Arthritis
Lower than avg (-10%)39%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-10%) — less common here

Osteoporosis
Higher than avg (+12%)30%

Weakened bones that are more prone to fractures, common in older adults

US avg: 18.1%

↑ More patients than average (+12%) — a focus area for this doctor

Ischemic Heart Disease
Lower than avg (-10%)22%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↓ Fewer patients than average (-10%) — less common here

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$29 received from industry

1 transaction reported in 2024 ·Low tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Gladys C Weng's NPI.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1998

    University of North Texas Hsc, College of Osteopathic Med

  2. 28 years in practice

    Experienced

Internal MedicineAllopathic & Osteopathic Physicians

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.

Taxonomy: 207R00000X

Education & Training

University of North Texas Hsc, College of Osteopathic Med (Class of 1998)

Practice Footprint

Mailing address

1320 Wonder World Dr Suite 101, San Marcos, TX 78666-7557

Differs from practice location

Virtual Internal Medicine Care With Gladys C Weng

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Gladys C Weng for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to San Marcos required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Gladys C Weng

Dr. Weng is listed as active in the NPI registry with telehealth listed in San Marcos, TX. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (512) 396-3911.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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