Kathleen J Weiss, MD

Internal Medicine

Kathleen J Weiss is an Internal Medicine specialist based in Littleton, CO with over 18 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(303) 730-3332Littleton, CO
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Kathleen J Weiss, MD has been part of the Littleton medical community since 2008 in group practice. She graduated from University of Utah School of Medicine in 2008 and has 18+ years of clinical experience. She regularly sees Medicare patients with hypertension and high cholesterol (per CMS claims data).

At a glance

  • Prescribes opioids less than 42% of reporting doctors in Colorado
  • Uses generic medications more than 30% of reporting doctors in Colorado
  • Virtual visits available — no app or travel required
1 of 337 Internal Medicine providers in COSee all Internal Medicine in Littleton18+ years experienceNPI since 2008

Older · 551dNPPES updated 2024-11-18 · verify NPI on CMS · Verify license at Colorado Medical Board

Contact & Location

Practice Location

8199 Southpark Ln Suite 100, Littleton, CO 80120-5667

Fax: (303) 730-7766
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.

Opioid Rx

↓ Lower = better

2.23%

Colorado avg: 6.1 · US avg: 5.1

Higher than most doctors nationally(-2.9 pts)

Typical range among reporting doctors in Colorado

2.23% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

82.7%

Colorado avg: 81.7 · US avg: 82.8

Lower than most doctors nationally(-0.1 pts)

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

40

Unique beneficiaries

Boutique practice

Prescription Recipients

742

Patients prescribed

Prescriptions Written

6,600

Total claims

Total Medicare drug cost: $718k

Percentile rankings compared against 1,617 reporting peers in Colorado.

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
Lower than avg (-22%)48%

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

US avg: 70.2%

↓ Fewer patients than average (-22%) — less common here

High Cholesterol
Lower than avg (-32%)38%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-32%) — less common here

Arthritis
Lower than avg (-21%)28%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-21%) — less common here

Mood Disorders
28%

Conditions affecting emotional state, including depression and bipolar disorder

GeneralBehavioralNational avg

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

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 2008

    University of Utah School of Medicine

  2. Board certified · Nov 17, 2024

    Self-reported via NPPES

  3. 18 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 Utah School of Medicine (Class of 2008)

Practice Footprint

Mailing address

Po Box 35380, Las Vegas, NV 89133-5380

Differs from practice location

Primary hospital affiliation: Critical Access Hospitals

CMS Certification Number: 391316

View hospital on Medicare Care Compare

Virtual Internal Medicine Care With Kathleen J Weiss

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

Schedule a virtual visit with Kathleen J Weiss for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Littleton 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 Kathleen J Weiss

Dr. Weiss is listed as active in the NPI registry with telehealth listed in Littleton, CO. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (303) 730-3332.

Verified across 4 federal data sources

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

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Claim Profile

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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