Day Onill Zayas Maldonado, MD
Emergency Medicine Physician · Tampa, FL
Day Onill Zayas Maldonado, MD is an emergency medicine physician with a practice address in Tampa, Florida, and NPI 1184003550, issued on May 19, 2015. Check the license (Florida ME131573, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Day Onill Zayas Maldonado
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- ME131573 FL
21166 FL
D0087921 MD
Self-reported in NPPES; status is on the state search - Practice location
- 3100 E Fletcher Ave, Tampa, FL 33613
- Phone
- (813) 971-6000
- Enumerated
- May 19, 2015
- Record last updated
- Dec 8, 2022
- Medicare enrollment
- Enrolled (PECOS I20180926004173); accepts Medicare assignment
- Medical or professional school
- Florida State University College Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,034 in Florida → Look up another NPI →
Also registered at 3100 E Fletcher Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mutaz Bellah AbudreaStudent in an Organized Health Care Education/Training Program1992559165
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- Elliott Aguayo, M.D.Emergency Medicine Physician1942438940
- Caitlin AhernCertified Registered Nurse Anesthetist1457996852
- Sarah Aitchison, APRN-CPrimary Care Nurse Practitioner1912545666
Verify Day Onill Zayas Maldonado in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME131573Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average emergency medicine physician in 2024
663 Medicare Part D claims for 364 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Prednisone146 claims
- Amoxicillin-Clavulanate Potass77 claims
- Azithromycin68 claims
- Doxycycline Hyclate41 claims
- Sulfamethoxazole-Trimethoprim27 claims
- Ondansetron Hcl25 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
- Guidewell Emergency Medicine Doctors, LLCTampa, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Day Onill Zayas Maldonado among 4,034 emergency medicine physician records in Florida
Day Onill Zayas Maldonado, MD is one of 4,034 emergency medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 66% of them.
- NPI issued2015 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2015 · median 2013 among the 2,199 with a school on file
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
279 emergency medicine physician records list a practice address in Tampa
They are 279 of the 26,440 NPPES records with a practice address in Tampa, and 4,034 emergency medicine physician records in Florida.
All 4,034 in Florida → Every provider in Tampa → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Masood Ansari, MDTampa, FL 336131053364315
- Simon Edginton, MDTampa, FL 336131700839206
- John Favata Jr, MDTampa, FL 336131144273343
- Tatia Grant Levy, DOTampa, FL 336131215923511
- Maureen Hirthler, MDTampa, FL 336131710939467
- Christine Lancaster, MDTampa, FL 336131477505600
- Steven Lay, MDTampa, FL 336131720031032
- Paul Perry, MDTampa, FL 336131205881752
Common questions
What is Day Onill Zayas Maldonado, MD's NPI number?
Day Onill Zayas Maldonado, MD's National Provider Identifier (NPI) is 1184003550, issued on May 19, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Day Onill Zayas Maldonado, MD located?
The NPPES record lists a practice address at 3100 E Fletcher Ave, Tampa, FL, 33613. Phone: (813) 971-6000. Providers update this record themselves, so call before visiting.
How can I verify Day Onill Zayas Maldonado, MD's license?
NPPES lists Florida license number ME131573, 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 Day Onill Zayas Maldonado, MD prescribe under Medicare Part D?
In 2024, Day Onill Zayas Maldonado, MD had 663 Medicare Part D claims for 364 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.