Dr. William J. Ennis
- Gender: Male
- Experience: 33 years
- Graduation year: 1988
- Sole propriator: No
- NPI: 1356447254
Dr. William J. Ennis III M.D.
Anesthesiologist
He is located at 250 Pleasant Street in Concord, NH 03301. Can help patients with the following: General Anesthesia, Pain Medication Management, Regional Anesthesia, Sedation. His National Provider Identifier (NPI) number is 1356447254. Appointment can be made via the phone number (603) 789-9103. He is affiliated with 1 practices and 1 hospitals.
Conditions treated
Dr. William J. Ennis, being an anesthesiologist, 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 J. Ennis.
- General Anesthesia
- Pain Medication Management
- Regional Anesthesia
- Sedation
Procedures Performed by Dr. William J. Ennis
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. William J. Ennis as in-network for the following 2026 plans.
Health plans
WellSense Health Plan
Network data as of Sep 1, 2026, as reported by the insurer.
Show all 7 plans from WellSense Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| WellSense Clarity NH Bronze 6500 HSA + $0 Rx List + 24/7 Nurse Advice | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| WellSense Clarity NH Bronze 7500 HSA + $0 Rx List + 24/7 Nurse Advice | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| WellSense Clarity NH Bronze 7600 HSA + $0 Rx List + 24/7 Nurse Advice | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| WellSense Clarity NH Gold 2000 + $0 Rx List + 24/7 Nurse Advice | HMO · Gold | Preferred | Not accepting new patients |
| WellSense Clarity NH Silver 0 Deductible + $0 Rx List + 24/7 Nurse Advice | HMO · Silver | Preferred | Not accepting new patients |
| WellSense Clarity NH Silver 3400 + $0 Rx List + 24/7 Nurse Advice | HMO · Silver | Preferred | Not accepting new patients |
| WellSense Clarity NH Silver 6000 + $0 Rx List + 24/7 Nurse Advice | HMO · Silver | Preferred | 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 J. Ennis 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 Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.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 J. Ennis is enrolled to bill Medicare as a Practitioner - Anesthesiology .
Bills through: Anesthesia Associates Professional Association
Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Pacira Pharmaceuticals | $39 |
Other
| Food and Beverage | $40 |
Studies
Graduated in 1988
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- Gender: Female
- Address: Suite 202 1 Pillsbury Street Concord, 3301, NH
- Gender: Male
- Address: Suite 202 1 Pillsbury Street Concord, 3301, NH
- Gender: Female
- Address: Suite 105 246 Pleasant Street Concord, 3301, NH
- Gender: Female
- Address: Suite 202 1 Pillsbury Street Concord, 3301, NH
- Gender: Male
- Address: Suite 202 1 Pillsbury Street Concord, 3301, NH
- Gender: Female
- Address: Suite 202 1 Pillsbury Street Concord, 3301, NH
- Gender: Male
- Address: Suite 202 1 Pillsbury Street Concord, 3301, NH
- Gender: Female
- Address: Suite 105 246 Pleasant Street Concord, 3301, NH
- Gender: Male
- Address: Suite 202 1 Pillsbury Street Concord, 3301, NH
- Gender: Female
- Address: Suite 202 1 Pillsbury Street Concord, 3301, NH
Questions & Answers
What conditions does Dr. William J. Ennis treat?
Dr. William J. Ennis provides treatment for General Anesthesia, Pain Medication Management, Regional Anesthesia, Sedation.
Has Dr. William J. Ennis affiliation with hospitals?
Dr. William J. Ennis is affiliated with CONCORD HOSPITAL.
Does Dr. William J. Ennis have affiliation with practices?
Dr. William J. Ennis is affiliated with Anesthesia Associates Professional Association.
Where can you meet with Dr. William J. Ennis?
Dr. William J. Ennis's office is located at 250 Pleasant Street in Concord, NH 03301.
Does Dr. William J. Ennis accept patients with WellSense Health Plan?
Yes, Dr. William J. Ennis is listed in-network for WellSense Health Plan through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.