Registry data as of Aug 27, 2026

Cassandra Calabrese, DO

Rheumatology Physician · Cleveland, OH

Cassandra Calabrese, DO is a rheumatology physician with a practice address in Cleveland, Ohio, and NPI 1548550007, issued on Apr 18, 2011. Check the license on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1548550007
Name
Cassandra Calabrese
Credential
DO
Primary taxonomy
Rheumatology Physician 207RR0500X
Practice location
9500 Euclid Ave, Cleveland, OH 44195
Phone
(216) 444-5690
Enumerated
Apr 18, 2011
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 9500 Euclid Ave

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

  1. Ksenia Aaron, M.D.Otolaryngology Physician1891176582
  2. Maher Abbas, MDColon & Rectal Surgery Physician1508937491
  3. Mohammad Abbasi, MDCardiovascular Disease Physician1346730603
  4. Mahmoud AbbassyStudent in an Organized Health Care Education/Training Program1366872574
  5. Cassandra Abbatemarco, CNPPsychiatric/Mental Health Nurse Practitioner1417645144
  6. Walid Abboud, MDInternal Medicine Physician1245295559

Verify Cassandra Calabrese in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of OhioCheck 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 Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

58% fewer Medicare Part D claims than the average rheumatology physician in 2024

867 Medicare Part D claims for 139 beneficiaries, against an average of 2,058 among the 4,833 providers of this specialty who prescribed in Part D.

  1. Cassandra Calabrese867
  2. Specialty average2,058

Most prescribed

  1. Prednisone191 claims
  2. Hydroxychloroquine Sulfate141 claims
  3. Methotrexate78 claims
  4. Kevzara32 claims
  5. Rinvoq32 claims
  6. Humira(Cf) Pen28 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: $94.99

1 payment, mostly education; the largest payer was Janssen Biotech, Inc.. The 3,502 providers of this specialty with any payment received $8,487.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Cassandra Calabrese$94.99
  2. Specialty average$8,487.29

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

One hospital or facility affiliation

  1. Cleveland ClinicCleveland, OH · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Rheumatology Physician providers in Ohio

There are 245 rheumatology physician records in Ohio.

Other rheumatology physician records in Ohio

  1. Abby Abelson, M.D.Cleveland, OH1417919143
  2. Aya Abugharbyeh, MDToledo, OH1497240667
  3. Mohammed Abusamieh, M.DToledo, OH1174506109
  4. Tara Adhikari, MDBlue Ash, OH1508068594
  5. Mohammed Ahmed, M.D.Toledo, OH1093763930
  6. Ali Ajam, MDColumbus, OH1841313517
  7. Feyrouz Al-Ashkar, M. D.Cleveland, OH1235192311
  8. Chacko Alappatt, M.D.Miamisburg, OH1477584399
  9. Saud Alvi, M.D.,FACRToledo, OH1609031509
  10. Amala Ambati, MDSylvania, OH1144758665

Common questions

What is Cassandra Calabrese, DO's NPI number?

Cassandra Calabrese, DO's National Provider Identifier (NPI) is 1548550007, issued on Apr 18, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Cassandra Calabrese, DO located?

The NPPES record lists a practice address at 9500 Euclid Ave, Cleveland, OH, 44195. Phone: (216) 444-5690. Providers update this record themselves, so call before visiting.

How can I verify Cassandra Calabrese, DO's license?

Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Cassandra Calabrese, DO prescribe under Medicare Part D?

In 2024, Cassandra Calabrese, DO had 867 Medicare Part D claims for 139 beneficiaries; the average among rheumatology physician prescribers was 2,058. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.