NPPES file of Aug 9, 2026

Mark B. Sender, M.D., IN

Urology Physician · Santa Clarita, CA

Mark B. Sender, M.D., IN is a urology physician with a practice address in Santa Clarita, California, and NPI 1013097534, issued on Oct 17, 2006. Check the license (California G48510, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013097534
Name
Mark B. Sender
Credential
M.D., IN
Primary taxonomy
Urology Physician 208800000X
License number
G48510 CA
Self-reported in NPPES; status is on the state search
Practice location
23823 Valencia Blvd Ste 130, Santa Clarita, CA 91355
Phone
(661) 254-2777
Enumerated
Oct 17, 2006
Record last updated
Jan 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(661) 253-2837
Medicaid ID
00G485100 CA
Medicare enrollment
Enrolled (PECOS I20051024000366); accepts Medicare assignment
Medical or professional school
Emory University School Of Medicine, 1981
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Mark B. Sender in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G48510
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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85% more Medicare Part D claims than the average urology physician in 2024

2,478 Medicare Part D claims for 490 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. Mark Sender2,478
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl574 claims
  2. Finasteride343 claims
  3. Oxybutynin Chloride Er271 claims
  4. Myrbetriq210 claims
  5. Gemtesa108 claims
  6. Desmopressin Acetate75 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 98.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%98.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,993.62

60 payments; by number, the most common kind was food and beverage; the largest payer was Edap Technomed Inc. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Sender$1,993.62
  2. Specialty average$3,800.04

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Genesis Healthcare Partners PCSanta Clarita, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark B. Sender among 1,524 urology physician records in California

Mark B. Sender, M.D., IN is one of 1,524 urology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 51% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1981 · median 2003 among the 1,049 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in California

There are 1,524 urology physician records in California.

The 8 urology physician records with the nearest ZIP codes

  1. Daniel Brison, MD.Valencia, CA 913551386808624
  2. Donald Hannoun, M.D.Valencia, CA 913551417187162
  3. Albert Samadi, MDValencia, CA 913551619952637
  4. Jennifer Sung, M.D.Valencia, CA 913551043411887
  5. Kristina Wittig, MDSanta Clarita, CA 913551215995998
  6. Alan Yaghoubian, MDValencia, CA 913551922481167
  7. Eugene Dula, MDTarzana, CA 913561184694523
  8. Ian Gale, MDTarzana, CA 913561831114800

Common questions

What is Mark B. Sender, M.D., IN's NPI number?

Mark B. Sender, M.D., IN's National Provider Identifier (NPI) is 1013097534, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark B. Sender, M.D., IN located?

The NPPES record lists a practice address at 23823 Valencia Blvd Ste 130, Santa Clarita, CA, 91355. Phone: (661) 254-2777. Providers update this record themselves, so call before visiting.

How can I verify Mark B. Sender, M.D., IN's license?

NPPES lists California license number G48510, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark B. Sender, M.D., IN prescribe under Medicare Part D?

In 2024, Mark B. Sender, M.D., IN had 2,478 Medicare Part D claims for 490 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.

What is Mark B. Sender, M.D., IN's MIPS final score?

The 2023 MIPS final score is 98.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.