John Ruddy, M.D.
Pulmonary Disease Internal Medicine
John Ruddy is a Pulmonary Disease Internal Medicine specialist based in San Leandro, CA with over 46 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
With over 46 years in internal medicine, John Ruddy, M.D. is a long-established pulmonologist in San Leandro. He graduated from Georgetown University School of Medicine in 1980 and has 46+ years of clinical experience. He regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data).
Older · 1885dNPPES updated 2021-03-25 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
13939 E 14th St, San Leandro, CA 94578-2601
How Does This Doctor Compare?
Medicare Patients
164
Unique beneficiaries
Standard volumeData 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.
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.
Elevated cholesterol or triglycerides that increase heart disease risk
High blood pressure — a leading risk factor for heart disease and stroke
Joint inflammation causing pain, swelling, and stiffness
A condition where the body cannot properly regulate blood sugar levels
Gradual loss of kidney function over time, often linked to diabetes or hypertension
Conditions affecting emotional state, including depression and bipolar disorder
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
An irregular, often rapid heartbeat that increases the risk of stroke
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$63 received from industry
1 transaction reported in 2024 ·Low tier
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 John Ruddy's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1980
Georgetown University School of Medicine
Board certified · Mar 24, 2021
Self-reported via NPPES
46 years in practice
Senior practitioner
Pulmonologists specialize in respiratory conditions including asthma, COPD, pneumonia, pulmonary fibrosis, sleep apnea, and lung cancer screening. They manage patients on ventilators and perform bronchoscopies.
Taxonomy: 207RP1001X
Education & Training
Georgetown University School of Medicine (Class of 1980)
Virtual Pulmonary Disease Care With John Ruddy
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with John Ruddy for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to San Leandro 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 John Ruddy
NPI records show Dr. Ruddy as active with telehealth listed in San Leandro, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (510) 263-3300.
Sourced from CMS NPPES · OIG LEIE · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact John Ruddy
Practice Location
13939 E 14th St, San Leandro, CA 94578-2601
Mailing Address
13939 E 14th St, San Leandro, CA 94578-2601
This is a provider directory. Contact the office directly to schedule appointments.
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