WILLIAM GRAYSON TENNANT MD
NPI 1982283313
Anesthesiology in Providence, RI

Active since April 04, 2021PECOS EnrolledAccepts Medicare Assignment
593 EDDY ST, PROVIDENCE, RI 02903(401) 444-5172(401) 444-5090 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 26, 2026, Apr 4, 2021 (2 updates tracked since 2021).

About William Grayson Tennant Md NPPES

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

WILLIAM GRAYSON TENNANT MD (NPI 1982283313) is an individual anesthesiology provider in Providence, Rhode Island, licensed in Rhode Island (MD20405) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Rhode Island Hospital, and maintains a secondary practice location in Providence.

NPPES Registry Identity

NPI1982283313
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameWILLIAM GRAYSON TENNANTCredential: MD
Location Address593 EDDY STProvidence, RI 02903-4923
Mailing Address593 Eddy StProvidence, RI 02903-4923 · (401) 444-5172 · Fax (401) 444-5090
Fax(401) 444-5090
Sole ProprietorNo
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2021
Enumeration DateApril 4, 2021
Last NPPES UpdateJanuary 26, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2026
NPI 1982283313 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License Licensed in RI · MD20405
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.
593 EDDY ST, Providence, RI 02903

Secondary Practice Location 1

Location 1101 Dudley StProvidence, RI 02905-2401 · Phone (401) 274-1122

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

William Grayson Tennant 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 ID2860896594
PECOS Enrollment IDI20250708003706
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 2

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

Rhode Island Hospital

Acute Care Hospitals · Providence, RI
3/5 CMS rating
OwnershipTribal
CMS Certification Number410007
Location593 Eddy StreetProvidence, RI 02903 · Providence County
Emergency services

The Miriam Hospital

Acute Care Hospitals · Providence, RI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410012
Location164 Summit AvenueProvidence, RI 02906 · Providence County
Emergency services

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.

Anesthesiology
593 EDDY ST, APC 6
PROVIDENCE, RI 02903
Surgery
593 EDDY ST
PROVIDENCE, RI 02903
General Acute Care Hospital
593 EDDY ST, MAIN 4
PROVIDENCE, RI 02903
Pathology (Anatomic Pathology & Clinical Pathology)
593 EDDY ST
PROVIDENCE, RI 02903
Psychiatry & Neurology (Neurology)
593 EDDY ST
PROVIDENCE, RI 02903
Student in an Organized Health Care Education/Training Program
593 EDDY ST
PROVIDENCE, RI 02903
Physician Assistant
593 EDDY ST
PROVIDENCE, RI 02903
Student in an Organized Health Care Education/Training Program
593 EDDY ST
PROVIDENCE, RI 02903

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 Tennant's NPI number?

The NPI number for William Tennant is 1982283313. It was assigned to this individual provider in the NPPES registry on April 4, 2021.

Where is William Tennant located?

William Tennant practices at 593 Eddy St, Providence, RI 02903. The listed phone number is (401) 444-5172.

What is William Tennant's specialty?

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

Is William Tennant enrolled in Medicare?

Yes. William Tennant 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.

Is William Tennant affiliated with any hospitals?

According to CMS data, William Tennant is affiliated with Rhode Island Hospital and The Miriam Hospital.

When was this NPI record last updated?

The NPPES record for William Tennant was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.