Mark B Sender, M.D., IN
Mark B Sender is an Urology specialist based in Santa Clarita, CA with over 45 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across CA can see Mark B Sender, M.D., IN in person in Santa Clarita or via virtual visit — no travel required. He graduated from Emory University School of Medicine in 1981 and has 45+ years of clinical experience. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data). CMS MIPS quality score: 98.3/100 (2023).
At a glance
- Prescribes opioids less than 50% of reporting doctors in California
- Federal MIPS score higher than 89% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 1940dNPPES updated 2021-01-29 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
23823 Valencia Blvd Ste 130, Santa Clarita, CA 91355-9513
How Does This Doctor Compare?
Based on Medicare data, this doctor scores better than 89% of doctors in California on federal quality measures, prescribes opioid pain medications conservatively.
MIPS Score
202398.3/100
California avg: 78.6 · US avg: 83.6
✓ Higher than most doctors nationally(+14.7 pts)
Better than 89% of MIPS-scored doctors in CaliforniaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better0.88%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-4.2 pts)
Typical range among reporting doctors in California0.88% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Medicare Patients
596
Unique beneficiaries
High volumePrescription Recipients
468
Patients prescribed
Prescriptions Written
2,505
Total claims
Total Medicare drug cost: $492k
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 Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-3%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+4%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-2%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-3%) — less common here
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↓ Fewer patients than average (-1%) — less common here
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$2.0k received from industry
60 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 Mark B Sender's NPI.
Patient Reviews
No patient reviews yet. If you've seen Mark B Sender, 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 · 1981
Emory University School of Medicine
Board certified · Jan 28, 2021
Self-reported via NPPES
45 years in practice
Senior practitioner
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
Taxonomy: 208800000X
Education & Training
Emory University School of Medicine (Class of 1981)
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 210030
View hospital on Medicare Care CompareVirtual Urology Care With Mark B Sender
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Mark B Sender for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Santa Clarita 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 Mark B Sender
NPI records show Dr. Sender as active with telehealth listed in Santa Clarita, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (661) 254-2777.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · 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 Mark B Sender
Practice Location
23823 Valencia Blvd Ste 130, Santa Clarita, CA 91355-9513
Mailing Address
23823 Valencia Blvd Ste 130, Santa Clarita, CA 91355-9513
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers