Mark L. Nielsen
Last updated: Feb 9, 2023

Mark L. Nielsen

  • Gender: Male
  • Sole propriator: No
  • NPI: 1093273328

Mark L. Nielsen II APRN

Family Nurse Practitioner

He is located at 7550 43rd Street North in Pinellas Park, FL 33781. Can help patients with the following: Attention-Deficit/Hyperactivity Disorder (ADHD), Common Cold, General Care, Hypertension, Obesity, Women's Health. His National Provider Identifier (NPI) number is 1093273328. Appointment can be made via the phone number (727) 824-8181.

Conditions treated

Mark Lloyd Nielsen, being an family nurse practitioner, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Mark L. Nielsen.

  • Acne
  • Allergies
  • Anxiety
  • Arthritis
  • Asthma
  • Attention-Deficit/Hyperactivity Disorder (ADHD)
  • Child or Adolescent
  • Common Cold
  • Depression
  • Diabetes
  • Fever
  • General Care
  • Gynecological Exam
  • Headache
  • High Cholesterol
  • Hypertension
  • Influenza
  • Insomnia
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Prescription Refill
  • Sexually Transmitted Diseases (STDs)
  • Weight Loss
  • Women's Health

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Mark L. Nielsen as in-network for the following 2026 plans.

Health plans

Oscar Health Maintenance Organization of Florida

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 26 plans from Oscar Health Maintenance Organization of Florida
Oscar Health Maintenance Organization of Florida plans
Plan Plan type Network tier New patients
Bronze Classic 4700 HMO · Expanded Bronze Preferred Accepting new patients
Bronze Classic 4700 | with AdventHealth HMO · Expanded Bronze Preferred Accepting new patients
Bronze Classic Standard (2 plan variants) HMO · Expanded Bronze Preferred Accepting new patients
Bronze Classic Standard | with AdventHealth HMO · Expanded Bronze Preferred Accepting new patients
Bronze Elite + PCP Saver Plus HMO · Expanded Bronze Preferred Accepting new patients
Bronze Elite + PCP Saver Plus | with AdventHealth HMO · Expanded Bronze Preferred Accepting new patients
Bronze Simple Breathe Easy with Enhanced COPD Benefits (2 plan variants) HMO · Expanded Bronze Preferred Accepting new patients
Bronze Simple Chronic Care CKM (2 plan variants) HMO · Expanded Bronze Preferred Accepting new patients
Bronze Simple Diabetes (2 plan variants) HMO · Expanded Bronze Preferred Accepting new patients
Gold Classic Standard (2 plan variants) HMO · Gold Preferred Accepting new patients
Gold Classic Standard | with AdventHealth HMO · Gold Preferred Accepting new patients
Gold Elite Saver Plus | with AdventHealth HMO · Gold Preferred Accepting new patients
Gold Simple HMO · Gold Preferred Accepting new patients
Gold Simple | with AdventHealth HMO · Gold Preferred Accepting new patients
Silver Classic Standard (2 plan variants) HMO · Silver Preferred Accepting new patients
Silver Classic Standard | with AdventHealth HMO · Silver Preferred Accepting new patients
Silver Elite HMO · Silver Preferred Accepting new patients
Silver Elite | with AdventHealth HMO · Silver Preferred Accepting new patients
Silver Simple Breathe Easy with Enhanced COPD Benefits (2 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple Chronic Care CKM HMO · Silver Preferred Accepting new patients
Silver Simple Chronic Care CKM | with AdventHealth HMO · Silver Preferred Accepting new patients
Silver Simple Diabetes HMO · Silver Preferred Accepting new patients
Silver Simple Diabetes | with AdventHealth HMO · Silver Preferred Accepting new patients
Silver Simple PCP Saver HMO · Silver Preferred Accepting new patients
Silver Simple PCP Saver | with AdventHealth HMO · Silver Preferred Accepting new patients
Silver Simple Women's Health with Menopause Benefits (2 plan variants) HMO · Silver Preferred Accepting new patients

Wellpoint

Network data as of Sep 10, 2026, as reported by the insurer.

Show all 10 plans from Wellpoint
Wellpoint plans
Plan Plan type Network tier New patients
Wellpoint Essential Bronze 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Expanded Bronze Participating Accepting new patients
Wellpoint Essential Bronze 6000 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Expanded Bronze Participating Accepting new patients
Wellpoint Essential Bronze 7500 ($0 Virtual PCP + $0 Select Drugs + Incentives) Standard HMO · Expanded Bronze Participating Accepting new patients
Wellpoint Essential Catastrophic (+ Incentives) HMO · Catastrophic Participating Accepting new patients
Wellpoint Essential Gold 1400 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Gold Participating Accepting new patients
Wellpoint Essential Gold 2000 ($0 Virtual PCP + $0 Select Drugs + Incentives) Standard HMO · Gold Participating Accepting new patients
Wellpoint Essential Gold 800 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Gold Participating Accepting new patients
Wellpoint Essential Silver 1850 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Silver Participating Accepting new patients
Wellpoint Essential Silver 3500 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Silver Participating Accepting new patients
Wellpoint Essential Silver 6000 ($0 Virtual PCP + $0 Select Drugs + Incentives) Standard HMO · Silver Participating Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Mark L. Nielsen is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Mark L. Nielsen is enrolled to bill Medicare as a Practitioner - Nurse Practitioner .

Bills through: Community Health Center Of Pinellas Inc

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Additional Specialities

  • Nurse Practitioner

Looking for more Family Nurse Practitioners?

There are 7 other family nurse practitioners in this region.

Maureen M. Green
  • Gender: Female
  • Address: 4423 Park Boulevard North Pinellas Park, 33781, FL
Lunette Castillo
  • Gender: Female
  • Address: 8401 Mayland Drive Richmond, 23294, VA
Faith Baker
  • Gender: Female
  • Address: 6517 Creekview Terrace North Pinellas Park, 33781, FL
Barbara Ileana De La Noval
  • Gender: Female
  • Address: 14100 58th Street North Clearwater, 33760, FL
Kelsey Marie Bivacca
  • Gender: Female
  • Address: 1700 Luther Lane Suite 1220 Park Ridge, 60068, IL
Leslie Loll
  • Gender: Female
  • Address: 7957 66th Lane North Pinellas Park, 33781, FL
Dr. Sajedah Taher
  • Gender: Female
  • Address: 7200 66th Street North Pinellas Park, 33781, FL

Questions & Answers

What conditions does Mark Lloyd Nielsen treat?

Mark Lloyd Nielsen provides treatment for Attention-Deficit/Hyperactivity Disorder (ADHD), Common Cold, General Care, Hypertension, Obesity, Women's Health. For the full list see this list.

Where can you meet with Mark Lloyd Nielsen?

Mark Lloyd Nielsen's office is located at 7550 43rd Street North in Pinellas Park, FL 33781.

Does Mark Lloyd Nielsen accept insurance?

Mark Lloyd Nielsen is listed in-network for 36 ACA Marketplace (Obamacare/HealthCare.gov) plans from Oscar Health Maintenance Organization of Florida, Wellpoint. See the Marketplace plans section for details.