Daniel Carl Schiffner, M.D.
Daniel Carl Schiffner is a Radiation Oncology Radiology specialist based in Palo Alto, CA with over 21 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
With over 21 years in radiology, Daniel Carl Schiffner, M.D. is a long-established radiation oncology radiology specialist in Palo Alto. Trained at University of California, San Francisco School of Medicine (class of 2005), he has been practicing for over 21 years. Among his Medicare patients, common conditions include cancer, high cholesterol, and hypertension (per CMS data).
Older · 2186dNPPES updated 2020-05-28 · verify NPI on CMS · Verify license at Medical Board of California
How Does This Doctor Compare?
Opioid Rx
↓ Lower = better14.86%
California avg: 5.2 · US avg: 5.1
⚠ Lower than most doctors nationally(+9.8 pts)
14.86% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Medicare Patients
267
Unique beneficiaries
Standard volumePrescription Recipients
32
Patients prescribed
Prescriptions Written
74
Total claims
Total Medicare drug cost: $2k
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.
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 Cancer, High Cholesterol, and Hypertension.
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+54%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-3%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-22%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$789 received from industry
13 transactions reported in 2024 ·Moderate 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 Daniel Carl Schiffner's NPI.
Patient Reviews
No patient reviews yet. If you've seen Daniel Carl Schiffner, 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 · 2005
University of California, San Francisco School of Medicine
Board certified · May 27, 2020
Self-reported via NPPES
21 years in practice
Experienced
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
Taxonomy: 2085R0001X
Education & Training
University of California, San Francisco School of Medicine (Class of 2005)
Mailing address
325 Distel Cir, Los Altos, CA 94022-1408
Differs from practice location
Virtual Radiation Oncology Care With Daniel Carl Schiffner
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Daniel Carl Schiffner for follow-up consultations, cholesterol management, blood pressure monitoring — no travel to Palo Alto 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 Daniel Carl Schiffner
Dr. Schiffner is listed as active in the NPI registry with telehealth listed in Palo Alto, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (650) 321-4121.
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 Daniel Carl Schiffner
Practice Location
795 El Camino Real, Palo Alto, CA 94301-2302
Mailing Address
325 Distel Cir, Los Altos, CA 94022-1408
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers
Radiation Oncology Radiology in California
See allKenneth M. Tokita, M.D.
Irvine, CA
Antoinette S. Gomes, MD
Los Angeles, CA
Prabhakar Tripuraneni, M.D.
San Diego, CA