NPPES file of Aug 9, 2026

Mary Theresa Izzo, PHD, ARNP

Family Nurse Practitioner · Deland, FL

Mary Theresa Izzo, PHD, ARNP is a family nurse practitioner with a practice address in Deland, Florida, and NPI 1023145752, issued on Feb 28, 2007. Check the license (Florida 0876802, 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
1023145752
Name
Mary Theresa Izzo
Credential
PHD, ARNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
0876802 FL
Self-reported in NPPES; status is on the state search
Practice location
999 W Plymouth Ave, Deland, FL 32720
Phone
(386) 740-7080
Enumerated
Feb 28, 2007
Record last updated
Apr 4, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(386) 734-0821
Medicare enrollment
Enrolled (PECOS I20130809000236); accepts Medicare assignment
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 family nurse practitioner records → All 22,340 in Florida → Look up another NPI →

Also registered at 999 W Plymouth Ave

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

  1. Deborah Darnell, ARNPFamily Nurse Practitioner1003230640
  2. Bruce Rankin, D. O.Family Medicine Physician1922027853
  3. Stephanie Stovall, P.A.-C.Physician Assistant1386670420
  4. Casey Wilson, PHYSICIAN ASSISTANTPhysician Assistant1043324148

Verify Mary Theresa Izzo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license 0876802    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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6.1 times the Medicare Part D claims of the average family nurse practitioner in 2024

7,913 Medicare Part D claims for 717 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 122 claims were for opioids.

  1. Mary Izzo7,913
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium373 claims
  2. Losartan Potassium365 claims
  3. Rosuvastatin Calcium341 claims
  4. Levothyroxine Sodium327 claims
  5. Amlodipine Besylate318 claims
  6. Lisinopril294 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: $676.23

27 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Izzo$676.23
  2. Specialty average$650.95

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. Ormond Medical ArtsOrmond Beach, FL

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

Mary Theresa Izzo among 22,340 family nurse practitioner records in Florida

Mary Theresa Izzo, PHD, ARNP is one of 22,340 family nurse practitioner records with a practice address in Florida. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 5% of them.

  • NPI issued2007 · 5% of these records are older, 93% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2004 · median 2020 among the 10,790 with a school on file
  • Record last updated2019 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

44 family nurse practitioner records list a practice address in Deland

They are 44 of the 955 NPPES records with a practice address in Deland, and 22,340 family nurse practitioner records in Florida.

All 22,340 in Florida → Every provider in Deland → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Meredith Ashley, ANPDeland, FL 327201689801052
  2. Lisa Cunningham, ARNPDeland, FL 327201033534284
  3. Deborah Darnell, ARNPDeland, FL 327201003230640
  4. Rosalynn Hamilton, ARNP, APDeland, FL 327201861782617
  5. Rachel Hart, NP-CDeland, FL 327201043586662
  6. Jessica Hayes, ARNPDeland, FL 327201639585169
  7. Musue Kaneh, FNPDeland, FL 327201194006973
  8. Susan Lynch, APRNDeland, FL 327201881887925

Common questions

What is Mary Theresa Izzo, PHD, ARNP's NPI number?

Mary Theresa Izzo, PHD, ARNP's National Provider Identifier (NPI) is 1023145752, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mary Theresa Izzo, PHD, ARNP located?

The NPPES record lists a practice address at 999 W Plymouth Ave, Deland, FL, 32720. Phone: (386) 740-7080. Providers update this record themselves, so call before visiting.

How can I verify Mary Theresa Izzo, PHD, ARNP's license?

NPPES lists Florida license number 0876802, 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 Mary Theresa Izzo, PHD, ARNP prescribe under Medicare Part D?

In 2024, Mary Theresa Izzo, PHD, ARNP had 7,913 Medicare Part D claims for 717 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.