NPPES file of Aug 9, 2026

Mark Lloyd Nielsen, APRN

Family Nurse Practitioner · Pinellas Park, FL

Mark Lloyd Nielsen, APRN is a family nurse practitioner with a practice address in Pinellas Park, Florida, and NPI 1093273328, issued on Mar 5, 2019. Check the license (Florida APRN11001600, 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
1093273328
Name
Mark Lloyd Nielsen
Credential
APRN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
APRN11001600 FL
Self-reported in NPPES; status is on the state search
Practice location
7550 43RD St N, Pinellas Park, FL 33781
Phone
(727) 824-8181
Enumerated
Mar 5, 2019
Record last updated
Feb 9, 2023
Medicaid ID
115716900 FL
Medicare enrollment
Enrolled (PECOS I20190321000079); 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 7550 43RD St N

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

  1. Lucinda Bosley, C.N.M, A.R.N.P.Advanced Practice Midwife1831128610
  2. Maggie Brannigan, CNPFamily Nurse Practitioner1952162869
  3. Jaime Clark, APRN, CNMAdvanced Practice Midwife1124309729
  4. Dina ClarkePharmacist1235709783
  5. Yaritza Colon, M.D.Pediatrics Physician1467423921
  6. Clifton Confident, M.D.Family Medicine Physician1699976332

Verify Mark Lloyd Nielsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license APRN11001600    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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12% more Medicare Part D claims than the average family nurse practitioner in 2024

1,458 Medicare Part D claims for 150 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Mark Nielsen1,458
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium100 claims
  2. Gabapentin83 claims
  3. Lisinopril61 claims
  4. Ozempic50 claims
  5. Amlodipine Besylate45 claims
  6. Montelukast Sodium45 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: $300.59

6 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Mark Nielsen$300.59
  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. Community Health Center OF Pinellas IncPinellas Park, FL

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

Mark Lloyd Nielsen among 22,340 family nurse practitioner records in Florida

Mark Lloyd Nielsen, APRN 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 2019, is newer than 41% of them.

  • NPI issued2019 · 41% of these records are older, 51% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2018 · median 2020 among the 10,790 with a school on file
  • Record last updated2023 · 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).

43 family nurse practitioner records list a practice address in Pinellas Park

They are 43 of the 1,041 NPPES records with a practice address in Pinellas Park, and 22,340 family nurse practitioner records in Florida.

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

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Reynaldo Arrieta, APRNPinellas Park, FL 337811669835112
  2. Faith Baker, FNP-CPinellas Park, FL 337811952965766
  3. Georgette Bouwhuis, A.R.N.P.Pinellas Park, FL 337811700112786
  4. Roanna Eggert, APRN, FNP-CPinellas Park, FL 337811871018762
  5. Martha Folsom, ARNPPinellas Park, FL 337811477554186
  6. Lisa Genovese, ARNPPinellas Park, FL 337811730456369
  7. Maureen Green, FNP-BCPinellas Park, FL 337811073605002
  8. Darrell Hopps, MSN, APRNPinellas Park, FL 337811235584871

Common questions

What is Mark Lloyd Nielsen, APRN's NPI number?

Mark Lloyd Nielsen, APRN's National Provider Identifier (NPI) is 1093273328, issued on Mar 5, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Mark Lloyd Nielsen, APRN located?

The NPPES record lists a practice address at 7550 43RD St N, Pinellas Park, FL, 33781. Phone: (727) 824-8181. Providers update this record themselves, so call before visiting.

How can I verify Mark Lloyd Nielsen, APRN's license?

NPPES lists Florida license number APRN11001600, 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 Mark Lloyd Nielsen, APRN prescribe under Medicare Part D?

In 2024, Mark Lloyd Nielsen, APRN had 1,458 Medicare Part D claims for 150 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.