THOMAS LEITH MD
NPI 1760185821
Emergency Medicine in Worcester, MA

Active since March 27, 2023PECOS Enrolled
55 LAKE AVE N, WORCESTER, MA 01655(508) 334-1000 Get Directions Write a Review

NPPES record last updated: April 4, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Apr 4, 2026, Mar 27, 2023 (2 updates tracked since 2023).

About Thomas Leith Md NPPES

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

THOMAS LEITH MD (NPI 1760185821) is an individual emergency medicine provider in Worcester, Massachusetts, licensed in Massachusetts (1025661) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and is a graduate of University Of Michigan Medical School (2023).

NPPES Registry Identity

NPI1760185821
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameTHOMAS LEITHCredential: MD
Location Address55 LAKE AVE NWorcester, MA 01655-0002
Mailing Address55 Lake Ave NWorcester, MA 01655-0002
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2023
Enumeration DateMarch 27, 2023
Last NPPES UpdateApril 4, 20262 updates tracked since enumeration
NPPES CertifiedApril 4, 2026
NPI 1760185821 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in MA · 1025661
Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

55 LAKE AVE N, Worcester, MA 01655

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Thomas Leith Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8820564750
PECOS Enrollment IDI20260417003394
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.

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01655 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Pharmacist (Pharmacotherapy)
55 LAKE AVE N, UMASS MED CENTER DEPT OF PHARMACY
WORCESTER, MA 01655
Nurse Anesthetist, Certified Registered
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Internal Medicine (Cardiovascular Disease)
55 LAKE AVE N, CARDIOLOGY
WORCESTER, MA 01655
Psychiatry & Neurology (Psychiatry)
55 LAKE AVE N
WORCESTER, MA 01655
Pharmacist (Pharmacotherapy)
55 LAKE AVE N
WORCESTER, MA 01655
Genetic Counselor, MS
55 LAKE AVE N, S1-710
WORCESTER, MA 01655
Emergency Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine (Rheumatology)
55 LAKE AVE N
WORCESTER, MA 01655

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 Thomas Leith's NPI number?

The NPI number for Thomas Leith is 1760185821. It was assigned to this individual provider in the NPPES registry on March 27, 2023.

Where is Thomas Leith located?

Thomas Leith practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (508) 334-1000.

What is Thomas Leith's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Thomas Leith enrolled in Medicare?

Yes. Thomas Leith is registered in the Medicare PECOS enrollment system.

Is Thomas Leith affiliated with any hospitals?

According to CMS data, Thomas Leith is affiliated with Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Thomas Leith was last updated on April 4, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.