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DR. WILLIAM J ENNIS III MD
NPI 1356447254
Anesthesiology in Concord, NH

Active since September 16, 2006PECOS EnrolledAccepts Medicare Assignment
250 PLEASANT ST, CONCORD, NH 03301(603) 789-9103(603) 227-7832 Get Directions Write a Review

NPPES record last updated: September 26, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. William J Ennis Iii Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM J ENNIS III MD (NPI 1356447254) is an individual anesthesiology provider in Concord, New Hampshire, licensed in New Hampshire (9150) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Concord Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1356447254
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. WILLIAM J ENNIS IIICredential: MD
Location Address250 PLEASANT STConcord, NH 03301-2598
Mailing Address250 Pleasant StConcord, NH 03301-7559 · (603) 789-9103 · Fax (603) 227-7832
Phone(603) 789-9103
Fax(603) 227-7832
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateSeptember 16, 2006
Last NPPES UpdateSeptember 26, 2024
NPPES CertifiedSeptember 26, 2024
✔ NPI 1356447254 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NH · 9150
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
250 PLEASANT ST, Concord, NH 03301
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Secondary Practice Locations 2

Location 180 Highland StLaconia, NH 03246-3235 · Phone (603) 789-9103 · Fax (603) 227-7832
Location 260 Commercial St Ste 201Concord, NH 03301-5096 · Phone (603) 789-9103 · Fax (603) 227-7832

Other Identifiers 3

Other0109559Y0NH03NH · Anthem Bcbs
Other8060319NH · Cigna
Medicaid30006777NH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William J Ennis Iii Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5092752378
PECOS Enrollment IDI20050408000876
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Concord Hospital

Acute Care Hospitals · Concord, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300001
Location250 Pleasant StConcord, NH 03301 · Merrimack County
Birthing friendly

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. RICHARD JON TRIPP RPH
Pharmacist
250 PLEASANT ST
CONCORD, NH 03301
Merrimack County (603) 225-2711
DR. ANA V CASTELLANOS MENDEZ M.D.
Family Medicine (Geriatric Medicine)
250 PLEASANT ST
CONCORD, NH 03301
Merrimack County (603) 228-7200
CHRISTOPHER R SABOL MD
Emergency Medicine
250 PLEASANT ST
CONCORD, NH 03301
Merrimack County (032) 277-7000
ARDELL CURRIER ARNP
Nurse Practitioner
250 PLEASANT ST
CONCORD, NH 03301
Merrimack County (603) 227-7140
ZEA LAROCHELLE M.D.
Emergency Medicine
250 PLEASANT ST
CONCORD, NH 03301
Merrimack County (603) 227-7000
DR. PETER ABDALLA DO
Hospitalist
250 PLEASANT ST
CONCORD, NH 03301
Merrimack County (603) 227-7000
SAMANTHA SOHNEN MD
Anesthesiology
250 PLEASANT ST
CONCORD, NH 03301
Merrimack County (603) 789-9103
LINDSEY GORI DO
Emergency Medicine
250 PLEASANT ST
CONCORD, NH 03301
Merrimack County (032) 252-7116

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Ennis's NPI number?

The NPI number for William Ennis is 1356447254. It was assigned to this individual provider in the NPPES registry on September 16, 2006.

Where is William Ennis located?

William Ennis practices at 250 Pleasant St, Concord, NH 03301. The listed phone number is (603) 789-9103.

What is William Ennis's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is William Ennis enrolled in Medicare?

Yes. William Ennis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Ennis accept?

Health plans from WellSense Health Plan list William Ennis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Ennis affiliated with any hospitals?

According to CMS data, William Ennis is affiliated with Concord Hospital.

When was this NPI record last updated?

The NPPES record for William Ennis was last updated on September 26, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.