Robert Thomas Santos, M.D.

Internal Medicine

Also practices: OTOLARYNGOLOGY

(925) 460-8478Pleasanton, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

With over 48 years in internal medicine, Robert Thomas Santos, M.D. is a long-established internist in Pleasanton. He graduated from George Washington University School of Medicine in 1978 and has 48+ years of clinical experience. He regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data).

At a glance

  • Uses generic medications more than 69% 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 Pleasanton48+ years experienceNPI since 2005

Older · 5339dNPPES updated 2011-09-22 · verify on CMS

Contact & Location

Practice Location

5565 W Las Positas Blvd Suite #260, Pleasanton, CA 94588-4001

Fax: (925) 734-0517
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.

Generic Rx

↑ Higher = better

90.6%

California avg: 83.3 · US avg: 82.8

Higher than most doctors nationally(+7.8 pts)

Typical range among reporting doctors in California

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

Medicare Patients

319

Unique beneficiaries

Standard volume

Prescription Recipients

143

Patients prescribed

Prescriptions Written

331

Total claims

Total Medicare drug cost: $13k

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 High Cholesterol, Hypertension, and Arthritis.

High Cholesterol
Higher than avg (+3%)73%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+3%) — a focus area for this doctor

Hypertension
70%

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

US avg: 70.2%
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

Mood Disorders
26%

Conditions affecting emotional state, including depression and bipolar disorder

Depression
Lower than avg (-8%)24%

A mood disorder causing persistent sadness and loss of interest in activities

US avg: 31.8%

↓ Fewer patients than average (-8%) — less common here

Anxiety Disorders
Lower than avg (-12%)22%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↓ Fewer patients than average (-12%) — less common here

Diabetes
Lower than avg (-13%)21%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

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

Chronic Kidney Disease
Lower than avg (-10%)20%

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

US avg: 29.6%

↓ 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

$23 received from industry

1 transaction reported in 2018 ·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 2018, attributed to Robert Thomas Santos'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 · 1978

    George Washington University School of Medicine and Health Sciences

  2. 48 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

George Washington University School of Medicine (Class of 1978)

Practice Footprint

Primary hospital affiliation: Psychiatric

CMS Certification Number: 194022

View hospital on Medicare Care Compare

Virtual Internal Medicine Care With Robert Thomas Santos

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

Schedule a virtual visit with Robert Thomas Santos for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Pleasanton 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 Thomas Santos

NPI records show Dr. Santos as active with telehealth listed in Pleasanton, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (925) 460-8478.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · 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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