Overview
Douglas Dreffer is a primary care provider, practicing in Family Medicine in Derry, New Hampshire. Dr. Dreffer is rated as an Experienced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Obesity, Generalized Anxiety Disorder (GAD), Seasonal Affective Disorder (SAD), and COVID-19.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
Accepted plan types not found. Please verify directly with the provider.
- EPO
- HMO
- PPO
- EPO
- POS
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- MEDICARE MAPD
- OTHER MEDICARE
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- PPO
- EPO
- MANAGED MEDICAID PLAN
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- HMO
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
6 Tsienneto Rd, Suite 100, Derry, NH 03038
Umass Memorial Medical Group Inc
Ximena Castro is a primary care provider, practicing in Family Medicine in Leominster, Massachusetts. Dr. Castro is rated as an Advanced provider by MediFind in the treatment of Pneumonia. Her top areas of expertise are Pneumonia, Lung Metastases, Delirium Tremens, Endoscopy, and Ureteroscopy.
Core Physicians LLC
Timothy Keenan is a primary care provider, practicing in Family Medicine in Exeter, New Hampshire. Dr. Keenan is rated as an Advanced provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Pulmonary Fibrosis, Ankylosing Vertebral Hyperostosis with Tylosis, Alzheimer's Disease, and Postmenopausal Osteoporosis.
Athol Memorial Hospital Incorporated
David Havlin is a primary care provider, practicing in Family Medicine in Athol, Massachusetts. Dr. Havlin is rated as a Distinguished provider by MediFind in the treatment of Pneumonia. His top areas of expertise are Diabetic Neuropathy, Lung Metastases, Dementia, Pneumonia, and Hip Replacement. Dr. Havlin is currently accepting new patients.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- ObesityDr. Dreffer isDistinguished. Learn about Obesity.
- Advanced
- AsthmaDr. Dreffer isAdvanced. Learn about Asthma.
- Asthma in ChildrenDr. Dreffer isAdvanced. Learn about Asthma in Children.
- Atrial TachycardiaDr. Dreffer isAdvanced. Learn about Atrial Tachycardia.
- Atrioventricular Nodal Reentrant Tachycardia (AVNRT)
- Attention Deficit Hyperactivity Disorder (ADHD)
- Autoerythrocyte SensitivityDr. Dreffer isAdvanced. Learn about Autoerythrocyte Sensitivity.
- Experienced
- AcneDr. Dreffer isExperienced. Learn about Acne.
- AcrospiromaDr. Dreffer isExperienced. Learn about Acrospiroma.
- Acute Coronary SyndromeDr. Dreffer isExperienced. Learn about Acute Coronary Syndrome.
- Acute Interstitial PneumoniaDr. Dreffer isExperienced. Learn about Acute Interstitial Pneumonia.
- Acute Kidney FailureDr. Dreffer isExperienced. Learn about Acute Kidney Failure.
- Adrenal Gland AdenomaDr. Dreffer isExperienced. Learn about Adrenal Gland Adenoma.