Kathryn Welty, MD
Kathryn Welty is a Nephrology Internal Medicine specialist based in Castro Valley, CA with over 19 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Kathryn Welty, MD practices as part of a group nephrologist practice in Castro Valley, CA. She graduated from Vanderbilt University School of Medicine in 2007 and has 19+ years of clinical experience. She regularly sees Medicare patients with hypertension, high cholesterol, and kidney disease (per CMS claims data).
Older · 813dNPPES updated 2024-03-01 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
19850 Lake Chabot Rd, Castro Valley, CA 94546-4002
How Does This Doctor Compare?
Medicare Patients
530
Unique beneficiaries
High volumePrescription Recipients
186
Patients prescribed
Prescriptions Written
1,292
Total claims
Total Medicare drug cost: $344k
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.
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.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
Gradual loss of kidney function over time, often linked to diabetes or hypertension
A condition where the body cannot properly regulate blood sugar levels
The heart cannot pump blood efficiently enough to meet the body's needs
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
Joint inflammation causing pain, swelling, and stiffness
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$230 received from industry
5 transactions 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 Kathryn Welty's NPI.
Patient Reviews
No patient reviews yet. If you've seen Kathryn Welty, your feedback helps other patients.
Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →
Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2007
Vanderbilt University School of Medicine
Board certified · Feb 29, 2024
Self-reported via NPPES
19 years in practice
Experienced
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
Vanderbilt University School of Medicine (Class of 2007)
Mailing address
20055 Lake Chabot Rd Suite 230, Castro Valley, CA 94546-5331
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190026
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Kathryn Welty
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Kathryn Welty for blood pressure monitoring, cholesterol management, kidney care follow-ups — no travel to Castro Valley 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 Kathryn Welty
Dr. Welty is listed as active in the NPI registry with telehealth listed in Castro Valley, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (510) 881-1490.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
Is this your profile?
Verify credentials, update practice details, and manage telehealth.
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.
Contact Kathryn Welty
Practice Location
19850 Lake Chabot Rd, Castro Valley, CA 94546-4002
Mailing Address
20055 Lake Chabot Rd Suite 230, Castro Valley, CA 94546-5331
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers
Nephrology Internal Medicine in California
See allGerson Charles Bernhard, MD
San Francisco, CA
John P. Kane, MD
San Francisco, CA
Yzhar Charuzi, M.D
Los Angeles, CA