Dr. William C. Chapin
- Gender: Male
- Experience: 23 years
- Graduated from: Medical College Of Pennsylvania
- Graduation year: 1998
- Sole propriator: No
- NPI: 1083653679
Dr. William C. Chapin MD
Endocrinologist
He is located at 4805 Northeast Glisan Street Suite 6N40 in Portland, OR 97213. Can help patients with the following: Arthritis, Diabetic Neuropathy, Hot Flashes, Hypoglycemia, Hypoparathyroidism, Thyroid Cancer. His National Provider Identifier (NPI) number is 1083653679. Appointment can be made via the phone number (503) 215-6601. He is affiliated with 2 practices and 3 hospitals.
Conditions treated
Dr. William C. Chapin, being an endocrinologist, 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. William C. Chapin.
- Abdominal Pain
- Achondroplasia
- Acute Pain
- Addison's Disease
- Aging In Place
- Amyloidosis
- Anemia
- Anxiety
- Arthritis
- Asthma
- Atherosclerosis
- Autism
- Birth Control Counseling
- Bladder Control
- Bone Loss
- Breastfeeding and Lactation
- Carcinoid Tumor
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cushing's Syndrome
- Cystitis
- Diabetes
- Diabetes Insipidus (DI)
- Diabetes Mellitus (DM) Type 1
- Diabetes Mellitus (DM) Type 2
- Diabetic Neuropathy
- Diarrhea
- Edema
- Fertility
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Goiter
- Graves' Disease
- Growth Hormone Imbalance
- Gynecomastia
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hypercalcemia
- Hyperglycemia
- Hyperlipidemia
- Hyperparathyroidism
- Hyperthyroidism
- Hypocalcemia
- Hypoglycemia
- Hyponatremia
- Hypoparathyroidism
- Hypothyroidism
- Infant Care
- Influenza
- Inguinal Hernia
- Insulin Resistance (IR)
- Low Testosterone
- Metabolic Syndrome
- Migraine
- Mold Exposure
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Peptic Ulcer
- Pregnancy
- Prenatal Care
- Prescription Refill
- Thyroid Cancer
- Thyroid Disease
- Thyroiditis
- Urethritis
- Urinary Tract Infection (UTI)
- Vitamin D Deficiency
- Wilson-Turner Syndrome
- Women's Health
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. William C. Chapin as in-network for the following 2026 plans.
Health plans
Providence Health Plan
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 7 plans from Providence Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Connect 1500 Gold | EPO · Gold | Connect | Not accepting new patients |
| Connect 6000 Silver | EPO · Silver | Connect | Not accepting new patients |
| Connect 9800 Bronze | EPO · Expanded Bronze | Connect | Not accepting new patients |
| HSA-E Qualified 7500 Bronze - Signature Network | EPO · Expanded Bronze | EPO | Not accepting new patients |
| Providence Oregon Standard Bronze Plan - Signature Network | EPO · Expanded Bronze | EPO | Not accepting new patients |
| Providence Oregon Standard Gold Plan - Signature Network | EPO · Gold | EPO | Not accepting new patients |
| Providence Oregon Standard Silver Plan - Signature Network | EPO · Silver | EPO | Not 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. William C. Chapin 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. William C. Chapin is enrolled to bill Medicare as a Practitioner - Endocrinology .
Bills through: Providence Health & Services Oregon
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
| Novo Nordisk | $23 |
| Medtronic | $22 |
| Amgen | $14 |
Other
| Food and Beverage | $73 |
Studies
MEDICAL COLLEGE OF PENNSYLVANIA
Graduated in 1998Additional Specialities
- Family Physician
- Internist
Affiliated hospitals
Looking for more Endocrinologists?
Here are endocrinologists in Oregon you may want to explore.
- Gender: Male
- Address: 3181 Southwest Sam Jackson Park Road Portland, 97239, OR
- Gender: Male
- Address: 3181 Southwest Sam Jackson Park Road Portland, 97239, OR
- Gender: Male
- Address: Suite 100 2570 Northwest Edenbower Boulevard Roseburg, 97471, OR
- Gender: Female
- Address: 1501 Northeast Medical Center Drive Bend, 97701, OR
- Gender: Male
- Address: 4805 Northeast Glisan Street Suite 6N40 Portland, 97213, OR
- Gender: Female
- Address: Suite 317 9135 Southwest Barnes Road Portland, 97225, OR
- Gender: Male
- Address: 3181 Southwest Sam Jackson Park Road Portland, 97239, OR
- Gender: Female
- Address: 3181 Southwest Sam Jackson Park Road Portland, 97239, OR
- Gender: Female
- Address: 3181 Southwest Sam Jackson Park Road Portland, 97239, OR
- Gender: Male
- Address: Suite 201 1619 Northwest Hawthorne Avenue Grants Pass, 97526, OR
Questions & Answers
Does Dr. William C. Chapin accept insurance?
Dr. William C. Chapin is listed in-network for 7 ACA Marketplace (Obamacare/HealthCare.gov) plans from Providence Health Plan. See the Marketplace plans section for details.
Does Dr. William C. Chapin have affiliation with practices?
Dr. William C. Chapin is affiliated with Adventist Health Portland - Internal Medicine Associates. For the full list of practices see this list.
Where can you meet with Dr. William C. Chapin?
Dr. William C. Chapin's office is located at 4805 Northeast Glisan Street Suite 6N40 in Portland, OR 97213.
What conditions does Dr. William C. Chapin treat?
Dr. William C. Chapin provides treatment for Arthritis, Diabetic Neuropathy, Hot Flashes, Hypoglycemia, Hypoparathyroidism, Thyroid Cancer. For the full list see this list.
Has Dr. William C. Chapin affiliation with hospitals?
Dr. William C. Chapin is affiliated with ADVENTIST MEDICAL CENTER. For the full list of hospitals see this list.