Robert Ra Nien Tseng, MD

Nephrology Internal Medicine

Robert Ra Nien Tseng is a Nephrology Internal Medicine specialist based in Daly City, CA with over 29 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: INTERNAL MEDICINE

(650) 755-4492Daly City, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Robert Ra Nien Tseng, MD has been part of the Daly City medical community since 2006 in independent practice. A Hahnemann University College of Medicine graduate since 1997, he brings 29+ years of experience. He regularly sees Medicare patients with hypertension, high cholesterol, and kidney disease (per CMS claims data).

1 of 563 Internal Medicine providers in CASee all Internal Medicine in Daly City29+ years experienceNPI since 2006

Older · 4897dNPPES updated 2012-12-26 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

1498 Southgate Ave Ste 102, Daly City, CA 94015

Fax: (650) 755-4466
CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

446

Unique beneficiaries

Standard volume

Prescription Recipients

291

Patients prescribed

Prescriptions Written

2,690

Total claims

Total Medicare drug cost: $493k

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
75%

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

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Chronic Kidney Disease
75%

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

Diabetes
58%

A condition where the body cannot properly regulate blood sugar levels

Heart Failure
55%

The heart cannot pump blood efficiently enough to meet the body's needs

Ischemic Heart Disease
53%

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

Arthritis
41%

Joint inflammation causing pain, swelling, and stiffness

Atrial Fibrillation
38%

An irregular, often rapid heartbeat that increases the risk of stroke

GeneralBehavioralNational avg

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

Industry Payment Transparency

$1.1k received from industry

44 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 Robert Ra Nien Tseng'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 · 1997

    Hahnemann University College of Medicine

  2. 29 years in practice

    Experienced

Internal MedicineAllopathic & Osteopathic Physicians

Nephrologists treat kidney diseases including chronic kidney disease, kidney failure requiring dialysis, glomerulonephritis, kidney stones, and electrolyte disorders. They manage dialysis access and kidney transplant follow-up.

Taxonomy: 207RN0300X

Education & Training

Hahnemann University College of Medicine (Class of 1997)

Practice Footprint

Primary hospital affiliation: Psychiatric

CMS Certification Number: 184014

View hospital on Medicare Care Compare

Virtual Internal Medicine Care With Robert Ra Nien Tseng

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

Schedule a virtual visit with Robert Ra Nien Tseng for blood pressure monitoring, cholesterol management, kidney care follow-ups — no travel to Daly City 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 Robert Ra Nien Tseng

Dr. Tseng is listed as active in the NPI registry with telehealth listed in Daly City, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (650) 755-4492.

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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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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