DAY ONILL ZAYAS MALDONADO MD
NPI 1184003550
Emergency Medicine in Tampa, FL

Q: What is Day Zayas Maldonado's NPI number?

The NPI number for Day Zayas Maldonado is 1184003550. It was assigned to this individual provider in the NPPES registry on May 19, 2015.

Q: What is Day Zayas Maldonado's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Active since May 19, 2015PECOS EnrolledAccepts Medicare Assignment

3100 E FLETCHER AVE, TAMPA, FL 33613(813) 971-6000 Get Directions Write a Review

NPPES record last updated: December 8, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 8, 2022, Aug 20, 2020, Aug 15, 2019 (3 updates tracked since 2019).

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About Day Onill Zayas Maldonado Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAY ONILL ZAYAS MALDONADO MD (NPI 1184003550) is an individual emergency medicine provider in Tampa, Florida, licensed in Florida (ME131573) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Silver Spring, and is a graduate of Florida State University College Of Medicine (2015).

NPPES Registry Identity

NPI1184003550

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameDAY ONILL ZAYAS MALDONADOCredential: MD

Location Address3100 E FLETCHER AVETampa, FL 33613-4613

Mailing Address3100 E Fletcher AveTampa, FL 33613-4613

Phone(813) 971-6000

Sole ProprietorNo

Medical School CMSFlorida State University College Of MedicineGraduated 2015

Enumeration DateMay 19, 2015

Last NPPES UpdateDecember 8, 20223 updates tracked since enumeration

NPPES CertifiedDecember 8, 2022

✔ NPI 1184003550 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

Licenses✔ Licensed in FL · ME131573✔ Licensed in FL · 21166✔ Licensed in MD · D0087921

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

3100 E FLETCHER AVE, Tampa, FL 33613

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Secondary Practice Location 1

Location 11500 Forest Glen RdSilver Spring, MD 20910-1460 · Phone (301) 754-7000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Maintenance Organization of Florida.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Day Onill Zayas Maldonado Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9931450194

PECOS Enrollment IDI20180926004173

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Day Zayas Maldonado reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Tampa Bay Emergency Physicians LLC

0.1 mi

Emergency Medicine

3100 E FLETCHER AVE
Tampa, FL 33613

Reassigned Medicare billing, Florida enrollment
231 clinicians in this Medicare group

NPI 1114977428 (330) 493-4443

Tampa Bay Emergency Physicians-Heartland LLC

66 mi

Emergency Medicine

4200 SUN N LAKE BLVD
Sebring, FL 33872

Reassigned Medicare billing, Florida enrollment
318 clinicians in this Medicare group

NPI 1043661408 (330) 493-4443

Florida Emergency Physicians Kang And Associates MD LLC

73 mi

Emergency Medical Services

601 E ROLLINS ST
Orlando, FL 32803

Reassigned Medicare billing, Florida enrollment
619 clinicians in this Medicare group

NPI 1811983752 (407) 303-5600

Guidewell Emergency Medicine Doctors, LLC

74 mi

Urgent Care

113 N. ORLANDO AVENUE
Winter Park, FL 32789

Reassigned Medicare billing, Florida enrollment
74 clinicians in this Medicare group

NPI 1629497235 (407) 801-8400

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 21

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

178 services87 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

131 services117 patients

Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811

This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.

89 services87 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

73 services67 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

72 services72 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

69 services66 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

63 services61 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

62 services60 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

45 services41 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

31 services28 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

26 services25 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

24 services24 patients

Troponin (protein) analysis, quantitative 84484

Troponin analysis is a blood test that checks for damage to the heart. Elevated levels of troponin, a protein in heart cells, can indicate a heart attack. This test helps in early detection and management of heart-related issues.

21 services21 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

21 services21 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

21 services21 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

19 services12 patients

Injection of drug or substance into vein 96374

This procedure involves introducing a medication or substance directly into your vein using a syringe. It's a quick and efficient way to deliver treatment throughout your body. You might feel a small prick when the needle enters. It's generally safe and effective.

18 services16 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

15 services15 patients

Liver function blood test panel 80076

A liver function blood test panel helps check the health of your liver. It measures various proteins, liver enzymes, and bilirubin in your blood. If these levels are too high or too low, it could signal a liver problem. It's a simple, non-invasive test that involves drawing blood.

12 services12 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

12 services12 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33613 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$87.62 typical visit price

range $56.00 – $171.84

Typical copayment $21.90 (range $14.00 – $42.96)

Most-billed visit code 99203

Established Patient

$99.16 typical visit price

range $17.57 – $139.16

Typical copayment $24.79 (range $4.39 – $34.79)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELEANOR INNOCENT DPT

Physical Therapist