Sarah Flessner
- Gender: Female
- Sole propriator: No
- NPI: 1316575988
Sarah Flessner MS, RD, CSP
Dietitian
She is located at 330 Barclay Avenue Northeast Suite 203 in Grand Rapids, MI 49503. Can help patients with the following: Diverticulosis, Eating Disorder, Fatty Liver Disease, Feeding Tube, Inflammatory Bowel Disease (IBD), Obesity. Her National Provider Identifier (NPI) number is 1316575988. Appointment can be made via the phone number (616) 391-2123.
Conditions treated
Sarah Flessner, being an dietitian, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Sarah Flessner.
- Abdominal Pain
- Anemia
- Anorexia Nervosa
- Beriberi
- Binge Eating Disorder
- Bulimia Nervosa
- Celiac Disease
- Childhood Obesity
- Constipation
- Crohn's Disease
- Diabetes
- Diabetes Mellitus (DM) Type 2
- Diverticulosis
- Eating Disorder
- Fatty Liver Disease
- Feeding Tube
- Food Allergies
- Food Allergy
- Food Sensitivities
- Gastric Bypass Surgery
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Malnutrition
- Medical Nutrition Therapy
- Metabolic Detoxing
- Nutrition Planning
- Obesity
- Pediatric Nutrition
- Pregnancy Nutrition
- Sports Nutrition
- Teenage Nutrition
- Weight Gain
- Weight Loss
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Sarah Flessner as in-network for the following 2026 plans.
Health plans
Priority Health
Network data as of Aug 26, 2026, as reported by the insurer.
Show all 25 plans from Priority Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| MyPriority Balanced Silver | HMO · Silver | Mypriority HMO | Accepting new patients |
| MyPriority Balanced Silver Corewell Health West Michigan Network | HMO · Silver | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Balanced Silver Corewell Health West Michigan Network (Allegan, Barry) | HMO · Silver | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Enhanced Gold Corewell Health West Michigan Network | HMO · Gold | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Enhanced Gold Corewell Health West Michigan Network (Allegan, Barry) | HMO · Gold | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Premier Silver | HMO · Silver | Mypriority HMO | Accepting new patients |
| MyPriority Premier Silver Corewell Health West Michigan Network | HMO · Silver | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Premier Silver Corewell Health West Michigan Network (Allegan, Barry) | HMO · Silver | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Standard Bronze | HMO · Expanded Bronze | Mypriority HMO | Accepting new patients |
| MyPriority Standard Bronze - Corewell Health West Michigan Network | HMO · Expanded Bronze | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Standard Bronze - Corewell Health West Michigan Network (Allegan, Barry) | HMO · Expanded Bronze | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Standard Bronze - Travel | HMO · Expanded Bronze | Mypriority HMO | Accepting new patients |
| MyPriority Standard Gold | HMO · Gold | Mypriority HMO | Accepting new patients |
| MyPriority Standard Gold Corewell Health West Michigan Network | HMO · Gold | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Standard Gold Corewell Health West Michigan Network (Allegan, Barry) | HMO · Gold | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Standard Silver | HMO · Silver | Mypriority HMO | Accepting new patients |
| MyPriority Standard Silver - Corewell Health West Michigan Network | HMO · Silver | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Standard Silver - Corewell Health West Michigan Network (Allegan, Barry) | HMO · Silver | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Standard Silver - Travel | HMO · Silver | Mypriority HMO | Accepting new patients |
| MyPriority Value Bronze | HMO · Expanded Bronze | Mypriority HMO | Accepting new patients |
| MyPriority Value Bronze Corewell Health West Michigan Network | HMO · Expanded Bronze | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Value Bronze Corewell Health West Michigan Network (Allegan, Barry) | HMO · Expanded Bronze | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Value Bronze HSA | HMO · Expanded Bronze | Mypriority HMO | Accepting new patients |
| MyPriority Value Bronze HSA Corewell Health West Michigan Network | HMO · Expanded Bronze | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Value Bronze HSA Corewell Health West Michigan Network (Allegan, Barry) | HMO · Expanded Bronze | Corewell West Narrow HMO | 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 Sarah Flessner is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Sarah Flessner is enrolled to bill Medicare as a Practitioner - Registered Dietitian Or Nutrition Professional .
Bills through: Spectrum Health Primary Care Partners
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.
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Questions & Answers
What conditions does Sarah Flessner treat?
Sarah Flessner provides treatment for Diverticulosis, Eating Disorder, Fatty Liver Disease, Feeding Tube, Inflammatory Bowel Disease (IBD), Obesity. For the full list see this list.
Does Sarah Flessner accept insurance?
Sarah Flessner is listed in-network for 25 ACA Marketplace (Obamacare/HealthCare.gov) plans from Priority Health. See the Marketplace plans section for details.
Where can you meet with Sarah Flessner?
Sarah Flessner's office is located at 330 Barclay Avenue Northeast Suite 203 in Grand Rapids, MI 49503.