NPPES file of Aug 9, 2026

Mary Katherine Samplaski, MD

Urology Physician · Los Angeles, CA

Mary Katherine Samplaski, MD is a urology physician with a practice address in Los Angeles, California, and NPI 1093985756, issued on Mar 8, 2008. Check the license (California A131958, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093985756
Name
Mary Katherine Samplaski
Credential
MD
Primary taxonomy
Urology Physician 208800000X
License number
A131958 CA
Self-reported in NPPES; status is on the state search
Practice location
1516 San Pablo St FL 5, Los Angeles, CA 90033
Phone
(323) 865-3700
Enumerated
Mar 8, 2008
Record last updated
Nov 27, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1516 San Pablo St FL 5

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Hamed Ahmadi, MDUrology Physician1750700654
  2. Muhannad Alsyouf, M.D.Urology Physician1487031605
  3. Juan Aparicio, PHYSICIAN ASSISTANTPhysician Assistant1245438118
  4. Monish Aron, MDUrology Physician1033387345
  5. Raafat Attalla, PA-CSurgical Physician Assistant1992720726
  6. Lauren Bender, PHYSICIAN ASSISTANTPhysician Assistant1194923581

Verify Mary Katherine Samplaski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A131958
    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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63% fewer Medicare Part D claims than the average urology physician in 2024

493 Medicare Part D claims for 91 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Mary Samplaski493
  2. Specialty average1,340

Most prescribed

  1. Testosterone Cypionate49 claims
  2. Tamsulosin Hcl46 claims
  3. Finasteride43 claims
  4. Testosterone38 claims
  5. Nitrofurantoin Mono-Macro31 claims
  6. Myrbetriq21 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.

Industry payments in 2024: $119.73

4 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, 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. Mary Samplaski$119.73
  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.

Mary Katherine Samplaski among 1,524 urology physician records in California

Mary Katherine Samplaski, MD 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 2008, is newer than 60% of them.

  • NPI issued2008 · 60% of these records are older, 36% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2023 · 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. Monish Aron, MDLos Angeles, CA 900331033387345
  2. William Barba, M.D.Los Angeles, CA 900331225053291
  3. Stuart Boyd, M.D.Los Angeles, CA 900331245251792
  4. Siamak Daneshmand, M.D.Los Angeles, CA 900331174546568
  5. Mihir Desai, M.D.Los Angeles, CA 900331679669014
  6. Leo Doumanian, M.D.Los Angeles, CA 900331629293204
  7. Gerhard Fuchs, M.D.Los Angeles, CA 900331366426363
  8. David Ginsberg, M.D.Los Angeles, CA 900331073534525

Common questions

What is Mary Katherine Samplaski, MD's NPI number?

Mary Katherine Samplaski, MD's National Provider Identifier (NPI) is 1093985756, issued on Mar 8, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mary Katherine Samplaski, MD located?

The NPPES record lists a practice address at 1516 San Pablo St FL 5, Los Angeles, CA, 90033. Phone: (323) 865-3700. Providers update this record themselves, so call before visiting.

How can I verify Mary Katherine Samplaski, MD's license?

NPPES lists California license number A131958, 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 Mary Katherine Samplaski, MD prescribe under Medicare Part D?

In 2024, Mary Katherine Samplaski, MD had 493 Medicare Part D claims for 91 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.

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.