NPPES file of Aug 9, 2026

Catherine Mercado, M.D.

Radiation Oncology Physician · Orlando, FL

Catherine Mercado, M.D. is a radiation oncology physician with a practice address in Orlando, Florida, and NPI 1841605946, issued on Jun 26, 2014. Check the license (Florida ME139669, as entered in NPPES) on the Florida health license search; 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
1841605946
Name
Catherine Mercado
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
ME139669 FL
Self-reported in NPPES; status is on the state search
Practice location
1400 S Orange Ave, Orlando, FL 32806
Phone
(321) 841-8650
Enumerated
Jun 26, 2014
Record last updated
Aug 14, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(321) 841-3794
Medicaid ID
102346500 FL
Medicare enrollment
Enrolled (PECOS I20190621002595); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 radiation oncology physician records → All 520 in Florida → Look up another NPI →

Also registered at 1400 S Orange Ave

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

  1. Lena Afxendiou-Soares, APRN, AGNP-CAdult Health Nurse Practitioner1871192054
  2. Riffat Ahmed, M.D.Diagnostic Radiology Physician1962570606
  3. Rosalinda Alagano, ARNPNurse Practitioner1679575096
  4. Maura Alambert, MDDiagnostic Radiology Physician1518588789
  5. Cassandra Aldi, APRNAdult Health Nurse Practitioner1891207890
  6. Cheslyn Alphonse, APRNAdult Health Nurse Practitioner1275081291

Verify Catherine Mercado in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME139669    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 Florida 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.

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2.3 times the Medicare Part D claims of the average radiation oncology physician in 2024

309 Medicare Part D claims for 120 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 20 claims were for opioids.

  1. Catherine Mercado309
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl74 claims
  2. Ciprofloxacin Hcl42 claims
  3. Dexamethasone39 claims
  4. Famotidine26 claims
  5. Memantine Hcl26 claims
  6. Levetiracetam15 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: $194.90

4 payments; by number, the most common kind was food and beverage; the largest payer was Novocure Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Mercado$194.90
  2. Specialty average$1,897.85

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

Bills Medicare through one group practice

  1. Orlando Health Medical Group IncOrlando, FL

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

Catherine Mercado among 520 radiation oncology physician records in Florida

Catherine Mercado, M.D. is one of 520 radiation oncology physician records with a practice address in Florida. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 80% of them.

  • NPI issued2014 · 80% of these records are older, 18% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2014 · median 2002 among the 393 with a school on file
  • Record last updated2019 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Florida

There are 520 radiation oncology physician records in Florida.

All 520 in Florida → Every provider in Orlando → Radiation Oncology Physician nationwide →

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Daniel Buchholz, MDOrlando, FL 328061023093366
  2. Kaitlin Christopherson, MDOrlando, FL 328061245627926
  3. Tomas Dvorak, MDOrlando, FL 328061568583045
  4. Kendra Harris, MDOrlando, FL 328061508031493
  5. Nina Johnson, MDOrlando, FL 328061063407237
  6. Patrick Kelly, M.D.Orlando, FL 328061043417405
  7. Jennifer Logan, M.D.Orlando, FL 328061184043903
  8. Rafael Manon, MDOrlando, FL 328061316922677

Common questions

What is Catherine Mercado, M.D.'s NPI number?

Catherine Mercado, M.D.'s National Provider Identifier (NPI) is 1841605946, issued on Jun 26, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Mercado, M.D. located?

The NPPES record lists a practice address at 1400 S Orange Ave, Orlando, FL, 32806. Phone: (321) 841-8650. Providers update this record themselves, so call before visiting.

How can I verify Catherine Mercado, M.D.'s license?

NPPES lists Florida license number ME139669, 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 Catherine Mercado, M.D. prescribe under Medicare Part D?

In 2024, Catherine Mercado, M.D. had 309 Medicare Part D claims for 120 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.