NPPES file of Aug 9, 2026

Matthew Thomas Benjamin Skalak, MD

Urology Physician · Saint Louis, MO

Matthew Thomas Benjamin Skalak, MD is a urology physician with a practice address in Saint Louis, Missouri, and NPI 1215557665, issued on Apr 24, 2020. Check the license (Missouri 2025012429, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; 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
1215557665
Name
Matthew Thomas Benjamin Skalak
Credential
MD
Primary taxonomy
Urology Physician 208800000X
License number
2025012429 MO
Self-reported in NPPES; status is on the state search
Practice location
1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
Phone
(314) 454-6034
Enumerated
Apr 24, 2020
Record last updated
Oct 27, 2025
Fax
(314) 454-2876
Medicaid ID
200161346 MO
Medicare enrollment
Enrolled (PECOS I20250711000547); accepts Medicare assignment
Medical or professional school
Albany Medical College Of Union University, 2020
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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Also registered at 1 Barnes Jewish Hospital Plz

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

  1. Fizza Abbas, MDInternal Medicine Physician1588079230
  2. Catey Abbott, DOInternal Medicine Physician1699355347
  3. Ramzi Abboud, MDMedical Oncology Physician1649684200
  4. Amy Abdalla, MDRadiation Oncology Physician1932959954
  5. Heba Abdelal, MDAnatomic Pathology & Clinical Pathology Physician1033633383
  6. Ali Abdelhay, MDHospitalist Physician1619540606

Verify Matthew Thomas Benjamin Skalak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2025012429
    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 Missouri license search

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96% fewer Medicare Part D claims than the average urology physician in 2024

51 Medicare Part D claims for 37 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D.

  1. Matthew Skalak51
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl11 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: $216.13

2 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. 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. Matthew Skalak$216.13
  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. Washington UniversitySaint Louis, MO

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

Urology Physician providers in Missouri

There are 266 urology physician records in Missouri.

Other urology physician records in Missouri

  1. Michael Aberger, M.D.Saint Joseph, MO1346533924
  2. Eminajulo Adekoya, M.D.Saint Louis, MO1497040208
  3. Kent Adkins, MDSaint Louis, MO1962460238
  4. Gautum Agarwal, MDSaint Louis, MO1780880633
  5. Thomas Ahmann, MDMexico, MO1881681385
  6. Yousef Al-Shraideh, MDSaint Louis, MO1184989915
  7. Louis Aliperti, M.D.Saint Louis, MO1861810350
  8. Angela Alt, MDChesterfield, MO1801915038
  9. Alexander Anderson, M.D.Columbia, MO1902326622
  10. David Anderson, MDSpringfield, MO1477594505

Common questions

What is Matthew Thomas Benjamin Skalak, MD's NPI number?

Matthew Thomas Benjamin Skalak, MD's National Provider Identifier (NPI) is 1215557665, issued on Apr 24, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Thomas Benjamin Skalak, MD located?

The NPPES record lists a practice address at 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110. Phone: (314) 454-6034. Providers update this record themselves, so call before visiting.

How can I verify Matthew Thomas Benjamin Skalak, MD's license?

NPPES lists Missouri license number 2025012429, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Matthew Thomas Benjamin Skalak, MD prescribe under Medicare Part D?

In 2024, Matthew Thomas Benjamin Skalak, MD had 51 Medicare Part D claims for 37 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.