Shirley Cassada, M.D.
Emergency Medicine Physician · Marathon, FL
Shirley Cassada, M.D. is an emergency medicine physician with a practice address in Marathon, Florida, and NPI 1336112689, issued on Feb 8, 2006. Check the license (Florida ME43897, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Shirley Cassada
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- ME43897 FL
Self-reported in NPPES; status is on the state search - Practice location
- 3301 Overseas Hwy, Marathon, FL 33050
- Phone
- (305) 743-5533
- Enumerated
- Feb 8, 2006
- Entity
- Type 1 · individual
Also registered at 3301 Overseas Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monica BruderPhysical Therapist1750545091
- Andrew Hodge, MDPsychiatry Physician1487113213
- Peeter Jakobson, MDDiagnostic Radiology Physician1982650313
- Cynthia Johnston, M.D.Emergency Medicine Physician1831162239
- Harlan Pettit, M.D.Anesthesiology Physician1518917566
- Dawn Russo, NPMedical-Surgical Registered Nurse1376663849
Verify Shirley Cassada in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME43897Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
86% fewer Medicare Part D claims than the average emergency medicine physician in 2024
51 Medicare Part D claims, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D.
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.
6 emergency medicine physician records list a Marathon practice address
They are 6 of the 258 NPPES records with a Marathon practice address, and 3,712 emergency medicine physician records in Florida.
All 6 in Marathon → All 3,712 in Florida → Every provider in Marathon →
Other emergency medicine physician records in Florida
- Rosemarie Abad, MDJacksonville, FL1124083134
- Neal Abarbanell, MDMiami, FL1659367142
- Danny Abbruzzese, MDSpring Hill, FL1972544039
- Ahmed Abd El Aziz, MDFort Lauderdale, FL1902472913
- Ahmed Abdelmagid, M.D.Macclenny, FL1184682049
- Eamon Abdullah, MDApopka, FL1780316307
- Ayman Abdulmagid, M.D.Clearwater, FL1558329458
- Mubarak Abdur-Rahman, MDJacksonville, FL1164861001
- Robert Abello, MDCoral Gables, FL1376589002
- Veronica AbelloMiami Beach, FL1154019651
Common questions
What is Shirley Cassada, M.D.'s NPI number?
Shirley Cassada, M.D.'s National Provider Identifier (NPI) is 1336112689, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shirley Cassada, M.D. located?
The NPPES record lists a practice address at 3301 Overseas Hwy, Marathon, FL, 33050. Phone: (305) 743-5533. Providers update this record themselves, so call before visiting.
How can I verify Shirley Cassada, M.D.'s license?
NPPES lists Florida license number ME43897, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Shirley Cassada, M.D. prescribe under Medicare Part D?
In 2024, Shirley Cassada, M.D. had 51 Medicare Part D claims; the average among emergency medicine physician prescribers was 355. 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.