NPPES file of Aug 9, 2026

Mario Cassara, MD

Addiction Medicine (Internal Medicine) Physician · Pittsburgh, PA

Mario Cassara, MD is an addiction medicine (internal medicine) physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1548849235, issued on Apr 7, 2021. Check the license (Pennsylvania MD486025, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1548849235
Name
Mario Cassara
Credential
MD
Primary taxonomy
Addiction Medicine (Internal Medicine) Physician 207RA0401X
License number
MD486025 PA
Self-reported in NPPES; status is on the state search
Practice location
200 Lothrop St, Pittsburgh, PA 15213
Phone
(412) 647-8762
Enumerated
Apr 7, 2021
Record last updated
Sep 8, 2025
Medicare enrollment
Enrolled (PECOS I20250923003359); accepts Medicare assignment
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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8 nearest addiction medicine (internal medicine) physician records → All 33 in Pennsylvania → Look up another NPI →

Also registered at 200 Lothrop St

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

  1. Amy AbbottCertified Registered Nurse Anesthetist1689943490
  2. Bisan Abboud, MDStudent in an Organized Health Care Education/Training Program1588359434
  3. Othman Abdul-MalakVascular Surgery Physician1003285602
  4. Mohamed Abdullah, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1164001277
  5. Raed Abdullah, MDSpecialist1962474353
  6. Michael Abesamis, M.D.Emergency Medicine Physician1467647958

Verify Mario Cassara in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD486025    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 Pennsylvania license search

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25% fewer Medicare Part D claims than the average addiction medicine (internal medicine) physician in 2024

621 Medicare Part D claims for 50 beneficiaries, against an average of 829 among the 401 providers of this specialty who prescribed in Part D.

  1. Mario Cassara621
  2. Specialty average829

Most prescribed

  1. Amlodipine Besylate71 claims
  2. Atorvastatin Calcium67 claims
  3. Alendronate Sodium29 claims
  4. Lisinopril29 claims
  5. Metformin Hcl23 claims
  6. Omeprazole23 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.

Bills Medicare through one group practice

  1. Allegheny ClinicJefferson Hills, PA

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

Mario Cassara among 33 addiction medicine (internal medicine) physician records in Pennsylvania

Mario Cassara, MD is one of 33 addiction medicine (internal medicine) physician records with a practice address in Pennsylvania. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 82% of them.

  • NPI issued2021 · 82% of these records are older, 12% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2021 · median 2012 among the 16 with a school on file
  • Record last updated2025 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0401X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction Medicine (Internal Medicine) Physician providers in Pennsylvania

There are 33 addiction medicine (internal medicine) physician records in Pennsylvania.

All 33 in Pennsylvania → Every provider in Pittsburgh → Addiction Medicine (Internal Medicine) Physician nationwide →

The 8 addiction medicine (internal medicine) physician records with the nearest ZIP codes

  1. Octavia Gebrehiwot, M.D.Pittsburgh, PA 152131477297174
  2. Deanna Pantaleo, CRNPPittsburgh, PA 152131881001642
  3. Ilana Hull, MDPittsburgh, PA 152191124439039
  4. Elizabeth Lim, MDPittsburgh, PA 152061124025317
  5. Nezam Radfar, M.D.Pittsburgh, PA 152261922004019
  6. Adam Gordon, MD, MPH, FACPPittsburgh, PA 152401487761052
  7. Rayneice Hudson-McClintonMonroeville, PA 151461821855479
  8. Roxanne Rick, M.D.Monongahela, PA 150631831559814

Common questions

What is Mario Cassara, MD's NPI number?

Mario Cassara, MD's National Provider Identifier (NPI) is 1548849235, issued on Apr 7, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mario Cassara, MD located?

The NPPES record lists a practice address at 200 Lothrop St, Pittsburgh, PA, 15213. Phone: (412) 647-8762. Providers update this record themselves, so call before visiting.

How can I verify Mario Cassara, MD's license?

NPPES lists Pennsylvania license number MD486025, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mario Cassara, MD prescribe under Medicare Part D?

In 2024, Mario Cassara, MD had 621 Medicare Part D claims for 50 beneficiaries; the average among addiction medicine (internal medicine) physician prescribers was 829. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.