Dr. Thomas Leith, MD
- Part D claims, 2024
- 53
- Hospital affiliations
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2023
- Practice address
- 55 Lake Avenue North, Worcester, MA 01655
- Practice phone
- Call (508) 334-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Leith's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Thomas Leith is an emergency medicine physician in Worcester, Massachusetts
Dr. Leith practices at UMass Memorial Medical Center - University Campus in Worcester, Massachusetts, part of UMass Memorial Health Care.
Dr. Leith's NPI, 1760185821, was assigned on March 27, 2023. Dr. Leith graduated from University of Michigan Medical School in 2023. Dr. Leith holds Massachusetts license 1025661.
- NPI
- 1760185821NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820564750
- NPI enumeration date
- March 27, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 334-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Leith practices at UMass Memorial Medical Center - University Campus in Worcester, Massachusetts
Dr. Leith's primary practice is UMass Memorial Medical Center - University Campus, at 55 Lake Avenue North, Worcester, MA 01655 in Worcester County. The practice phone is (508) 334-1000.
- UMass Memorial Medical Center - University Campus55 Lake Avenue North, Worcester, MA 01655 · Worcester CountyPhone(508) 334-1000
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Leith is affiliated with 2 sites of care and 1 medical group
Dr. Leith's primary practice is UMass Memorial Medical Center - University Campus in Worcester, Massachusetts, part of UMass Memorial Health Care. Dr. Leith is also affiliated with UMass Memorial Health - HealthAlliance-Clinton Hospital. The medical group on file is UMass Memorial Medical Group.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas Leith's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leith practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UMass Memorial Medical Center - University Campus | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across UMass Memorial Health Care and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Thomas Leith is one of 1,483 emergency medicine physicians in Massachusetts
Emergency medicine is Dr. Leith's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Leith is licensed in Massachusetts.
Specialties and state licenses
- Emergency medicine, MassachusettsPrimary
Emergency medicine physicians near Dr. Leith
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Thomas Leith's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Leith's median patient age at 70, with 25% women.
Dr. Leith's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women25%
- Men75%
Source: Dmand AI Patient Panel Data
Dr. Thomas Leith wrote 53 Medicare Part D claims in 2024
In 2024, Dr. Leith wrote 53 Medicare Part D claims for 34 patients. 77% of them were for generic drugs.
Dr. Leith's Part D claims by kind of drug, 2024
- Generic41 claims77%
- Brand-name12 claims23%
Drug classes CMS tracks in Dr. Leith's Part D claims, 2024
- Antibiotics21%11 of 53 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Thomas Leith takes part in Medicare
Dr. Leith accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Thomas Leith graduated from University of Michigan Medical School
Dr. Leith graduated from University of Michigan Medical School in 2023.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas Leith's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Thomas Leith
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Thomas Leith's NPI number?
Dr. Thomas Leith's NPI number is 1760185821. It was assigned on March 27, 2023, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Leith?
Dr. Thomas Leith is an emergency medicine physician in Worcester, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Thomas Leith practice?
Dr. Leith practices at 55 Lake Avenue North, Worcester, MA 01655. Dr. Leith's primary practice is UMass Memorial Medical Center - University Campus in Worcester, Massachusetts, part of UMass Memorial Health Care.
What is Dr. Thomas Leith's office phone number?
The practice phone on file for Dr. Leith is (508) 334-1000.
What is Dr. Thomas Leith's medical license number?
Dr. Leith holds Massachusetts license 1025661.
Which hospitals is Dr. Thomas Leith affiliated with?
Dr. Leith practices at UMass Memorial Medical Center - University Campus in Worcester, Massachusetts. Dr. Leith is also affiliated with UMass Memorial Health - HealthAlliance-Clinton Hospital.
What medical group is Dr. Thomas Leith part of?
Dr. Leith is linked to UMass Memorial Medical Group.
Does Dr. Thomas Leith accept Medicare?
Yes. CMS lists Dr. Leith as accepting Medicare assignment.
Where did Dr. Thomas Leith go to medical school?
Dr. Leith graduated from University of Michigan Medical School in 2023.
How long has Dr. Thomas Leith been practicing?
Dr. Leith graduated from medical school in 2023, 3 years ago.
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