Dr. Frederick A. Grassin
- Gender: Male
- Sole propriator: No
- NPI: 1831311802
Dr. Frederick A. Grassin D.D.S.
Family Physician
He is located at 5347 Main Street Suite 301 in New Port Richey, FL 34652. Can help patients with the following: General Care, Headache, High Blood Pressure, Nausea and Vomiting, Osteoarthritis (OA), Thyroid Disease. His National Provider Identifier (NPI) number is 1831311802. Appointment can be made via the phone number (727) 841-9800. He is affiliated with 1 practices.
Conditions treated
Dr. Frederick John Grassin, being an family physician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Frederick A. Grassin.
- Abdominal Pain
- Aging In Place
- Anxiety
- Arthritis
- Asthma
- Autism
- Birth Control Counseling
- Breastfeeding and Lactation
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Diabetes
- Fever
- General Care
- Headache
- Heart Disease
- High Blood Pressure
- Hyperlipidemia
- Hypothyroidism
- Infant Care
- Influenza
- Migraine
- Mold Exposure
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Pregnancy
- Prenatal Care
- Prescription Refill
- Thyroid Disease
- Women's Health
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Frederick A. Grassin as in-network for the following 2026 plans.
Dental plans
BEST Life
Network data as of Sep 8, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BEST Life Essential Basic Dental Plan | PPO · Low | In Network | Accepting new patients |
| BEST Life Essential Value Dental Plan | PPO · Low | In Network | Accepting new patients |
| BEST Life Preferred Dental | PPO · High | In Network | Accepting new patients |
| BEST Life Superior Dental | PPO · High | In Network | Accepting new patients |
Humana
Network data as of Sep 13, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Humana Dental Smart Choice - High | PPO · High | Preferred | Accepting new patients |
| Humana Dental Smart Choice - Lite | PPO · Low | Preferred | Accepting new patients |
| Humana Dental Smart Choice - Low | PPO · Low | Preferred | Accepting new patients |
Renaissance Dental
Network data as of Sep 16, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Florida Preferred Plan | PPO · Low | Preferred | Accepting new patients |
| Florida Preferred Plan (Pediatric Only) | PPO · Low | Preferred | Accepting new patients |
| Florida Preferred Plus Plan | PPO · High | Preferred | Accepting new patients |
| Florida Preferred Plus Plan (Pediatric Only) | PPO · High | Preferred | Accepting new patients |
| Florida Wellness Essentials Plan | PPO · Low | Preferred | 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 Dr. Frederick A. Grassin is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
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Questions & Answers
Where can you meet with Dr. Frederick John Grassin?
Dr. Frederick John Grassin's office is located at 5347 Main Street Suite 301 in New Port Richey, FL 34652.
Does Dr. Frederick John Grassin accept insurance?
Dr. Frederick John Grassin is listed in-network for 12 ACA Marketplace (Obamacare/HealthCare.gov) plans from BEST Life, Humana, Renaissance Dental. See the Marketplace plans section for details.
What conditions does Dr. Frederick John Grassin treat?
Dr. Frederick John Grassin provides treatment for General Care, Headache, High Blood Pressure, Nausea and Vomiting, Osteoarthritis (OA), Thyroid Disease. For the full list see this list.
Does Dr. Frederick John Grassin have affiliation with practices?
Dr. Frederick John Grassin is affiliated with Frederick a Grassin DO.