Carla M. van Holsteijn RD/LD
Dietitian
She is located at 1200 1st Avenue East in Spencer, IA 51301. Can help patients with the following: Binge Eating Disorder, Diabetes Mellitus (DM) Type 2, Diverticulosis, Gastric Bypass Surgery, Malnutrition, Weight Gain. Her National Provider Identifier (NPI) number is 1821376500. Appointment can be made via the phone number (712) 264-6198.
Conditions treated
Carla May Van Holsteijn, 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 Carla M. van Holsteijn.
- 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 Carla M. van Holsteijn as in-network for the following 2026 plans.
Health plans
Ambetter Health
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Ambetter Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Complete Gold | HMO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Elite Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Elite Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Gold | HMO · Gold | Preferred | Accepting new patients |
| Everyday Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Focused Silver | HMO · Silver | Preferred | Accepting new patients |
| Focused Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
| Standard Expanded Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold | HMO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Standard Silver | HMO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental | HMO · Silver | 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 Carla M. van Holsteijn 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 Carla May Van Holsteijn?
Carla May Van Holsteijn's office is located at 1200 1st Avenue East in Spencer, IA 51301.
What conditions does Carla May Van Holsteijn treat?
Carla May Van Holsteijn provides treatment for Binge Eating Disorder, Diabetes Mellitus (DM) Type 2, Diverticulosis, Gastric Bypass Surgery, Malnutrition, Weight Gain. For the full list see this list.
Does Carla May Van Holsteijn accept insurance?
Carla May Van Holsteijn is listed in-network for 16 ACA Marketplace (Obamacare/HealthCare.gov) plans from Ambetter Health. See the Marketplace plans section for details.