Dr. Kathryn A. Grinnen
- Gender: Female
- Experience: 15 years
- Graduated from: Lake Erie College Of Osteopathic Medicine, Erie
- Graduation year: 2006
- Sole propriator: No
- NPI: 1710102124
Dr. Kathryn A. Grinnen DO
Internist
She is located at 16295 Willow Creek Road in Lewes, DE 19958. Can help patients with the following: Asthma, Constipation, Heart Disease, Hot Flashes, Migraine, Nausea and Vomiting. Her National Provider Identifier (NPI) number is 1710102124. Appointment can be made via the phone number (302) 645-3555. She is affiliated with 4 practices and 1 hospitals.
Conditions treated
Dr. Kathryn Grinnen, being an internist, 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. Kathryn A. Grinnen.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Kathryn A. Grinnen
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Kathryn A. Grinnen as in-network for the following 2026 plans.
Health plans
Ambetter Health of Delaware
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 17 plans from Ambetter Health of Delaware
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Clear Gold | EPO · Gold | Preferred | Accepting new patients |
| Clear Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Complete Gold | EPO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Elite Silver | EPO · Silver | Preferred | Accepting new patients |
| Elite Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
| Everyday Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Focused Silver | EPO · Silver | Preferred | Accepting new patients |
| Focused Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
| Principal Bronze HSA | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Principal Bronze HSA + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold | EPO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Standard Silver | EPO · Silver | Preferred | Accepting new patients |
AmeriHealth Caritas Next
Network data as of Sep 11, 2026, as reported by the insurer.
Show all 8 plans from AmeriHealth Caritas Next
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| AmeriHealth Caritas Next Bronze Essential + No Referrals | HMO · Bronze | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Bronze Premier + No Referrals | HMO · Expanded Bronze | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Bronze Signature + No Referrals | HMO · Expanded Bronze | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Gold Premier + No Referrals | HMO · Gold | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Gold Signature + No Referrals | HMO · Gold | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Silver Essential + No Referrals | HMO · Silver | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Silver Premier + No Referrals | HMO · Silver | Preferred | Accepting new patients |
| AmeriHealth Caritas Next Silver Signature + No Referrals | HMO · Silver | Preferred | Accepting new patients |
Highmark Blue Cross Blue Shield Delaware
Network data as of Sep 8, 2026, as reported by the insurer.
Show all 15 plans from Highmark Blue Cross Blue Shield Delaware
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| my Blue Access Major Events Select PPO Catastrophic 10600 - 3 Free PCP Visits | PPO · Catastrophic | In Network | Accepting new patients |
| my Blue Access Select PPO Bronze 3800 | PPO · Expanded Bronze | In Network | Accepting new patients |
| my Blue Access Select PPO Bronze 3800 + Adult Dental and Vision | PPO · Expanded Bronze | In Network | Accepting new patients |
| my Blue Access Select PPO Bronze 9200 | PPO · Expanded Bronze | In Network | Accepting new patients |
| my Blue Access Select PPO Gold 0 | PPO · Gold | In Network | Accepting new patients |
| my Blue Access Select PPO Gold 0 + Adult Dental and Vision | PPO · Gold | In Network | Accepting new patients |
| my Blue Access Select PPO Gold 1700 HSA | PPO · Gold | In Network | Accepting new patients |
| my Blue Access Select PPO Premier Gold 0 + Adult Dental and Vision | PPO · Gold | In Network | Accepting new patients |
| my Blue Access Select PPO Premier Platinum 0 + Adult Dental and Vision | PPO · Platinum | In Network | Accepting new patients |
| my Blue Access Select PPO Premier Silver 0 + Adult Dental and Vision | PPO · Silver | In Network | Accepting new patients |
| my Blue Access Select PPO Standard Bronze 7500 | PPO · Expanded Bronze | In Network | Accepting new patients |
| my Blue Access Select PPO Standard Gold 2000 | PPO · Gold | In Network | Accepting new patients |
| my Blue Access Select PPO Standard Gold 2000 + Adult Dental and Vision | PPO · Gold | In Network | Accepting new patients |
| my Blue Access Select PPO Standard Platinum 0 | PPO · Platinum | In Network | Accepting new patients |
| my Blue Access Select PPO Standard Silver 6000 | PPO · Silver | In Network | 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. Kathryn A. Grinnen 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
Dr. Kathryn A. Grinnen is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Osteopathic Manipulative Medicine) .
Bills through: Beebe Physician Network 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.
Payments received
Drug payment
| GlaxoSmithKline | $739 |
| Novo Nordisk | $701 |
| Amgen | $651 |
Other
| Food and Beverage | $6541 |
Studies
LAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated in 2006Affiliated practices
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Questions & Answers
Where can you meet with Dr. Kathryn Grinnen?
Dr. Kathryn Grinnen's office is located at 16295 Willow Creek Road in Lewes, DE 19958.
Does Dr. Kathryn Grinnen have affiliation with practices?
Dr. Kathryn Grinnen is affiliated with Bayhealth Hospital, Sussex Campus. For the full list of practices see this list.
Has Dr. Kathryn Grinnen affiliation with hospitals?
Dr. Kathryn Grinnen is affiliated with BEEBE MEDICAL CENTER.
What conditions does Dr. Kathryn Grinnen treat?
Dr. Kathryn Grinnen provides treatment for Asthma, Constipation, Heart Disease, Hot Flashes, Migraine, Nausea and Vomiting. For the full list see this list.
Does Dr. Kathryn Grinnen accept patients with Ambetter Health of Delaware?
Yes, Dr. Kathryn Grinnen is listed in-network for Ambetter Health of Delaware through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.