Jason S. Paek, M.D.

Internal Medicine

(626) 986-4899Rowland Heights, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Jason S. Paek, M.D. runs an independent internist practice in Rowland Heights, CA. A Medical College of Wisconsin graduate since 1985, he brings 41+ years of experience. He regularly sees Medicare patients with hypertension, high cholesterol, and kidney disease (per CMS claims data).

At a glance

  • Prescribes opioids less than 55% of reporting doctors in California
  • Uses generic medications more than 36% of reporting doctors in California
  • Virtual visits available — no app or travel required
1 of 3,565 Internal Medicine providers in CASee all Internal Medicine in Rowland Heights41+ years experienceNPI since 2006

Older · 2674dNPPES updated 2019-01-09 · verify on CMS

Contact & Location

Practice Location

18773 Colima Rd, Rowland Heights, CA 91748-2949

Fax: (626) 986-4855
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

0.37%

California avg: 5.2 · US avg: 5.1

Higher than most doctors nationally(-4.7 pts)

Typical range among reporting doctors in California

0.37% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

84.9%

California avg: 83.3 · US avg: 82.8

Higher than most doctors nationally(+2.1 pts)

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

Medicare Patients

313

Unique beneficiaries

Standard volume

Prescription Recipients

1,662

Patients prescribed

Prescriptions Written

33,184

Total claims

Total Medicare drug cost: $4.82M

Percentile rankings compared against 9,360 reporting peers in California.

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 Chronic Kidney Disease.

Hypertension
Higher than avg (+5%)75%

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

US avg: 70.2%

↑ More patients than average (+5%) — a focus area for this doctor

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

Chronic Kidney Disease
Higher than avg (+29%)59%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

US avg: 29.6%

↑ More patients than average (+29%) — a focus area for this doctor

Diabetes
Higher than avg (+9%)43%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↑ More patients than average (+9%) — a focus area for this doctor

Arthritis
Lower than avg (-13%)36%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-13%) — less common here

Osteoporosis
Higher than avg (+13%)31%

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

US avg: 18.1%

↑ More patients than average (+13%) — a focus area for this doctor

Alzheimer's / Dementia
25%

Progressive brain disorders causing memory loss and cognitive decline

GeneralBehavioralNational avg

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

Industry Payment Transparency

$1.6k received from industry

79 transactions reported in 2024 ·Moderate 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 Jason S. Paek's NPI.

Patient Reviews

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 1985

    Medical College of Wisconsin

  2. 41 years in practice

    Senior practitioner

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

Medical College of Wisconsin (Class of 1985)

Practice Footprint

Primary hospital affiliation: Acute Care Hospitals

CMS Certification Number: 340173

View hospital on Medicare Care Compare

Virtual Internal Medicine Care With Jason S. Paek

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

Schedule a virtual visit with Jason S. Paek for blood pressure monitoring, cholesterol management, kidney care follow-ups — no travel to Rowland Heights 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 Jason S. Paek

Dr. Paek is listed as active in the NPI registry with telehealth listed in Rowland Heights, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (626) 986-4899.

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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