Thomas Christopher Llewellyn, DDS
- Part D claims, 2024
- 113
- Industry payments
- $237
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 120 Sister Pierre Drive, Towson, MD 21204-7526
- Practice phone
- Call (410) 821-0100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Thomas Llewellyn, Dds, Assoc
Dental practice · Towson, Maryland
Find Thomas Llewellyn'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.
Thomas Christopher Llewellyn is a dentist in Towson, Maryland
Thomas Llewellyn practices at Thomas Llewellyn, Dds, Assoc in Towson, Maryland.
Thomas Llewellyn's NPI, 1275618456, was assigned on October 26, 2006. Thomas Llewellyn holds Maryland license 10666.
- NPI
- 1275618456NPI Registry (opens in a new tab)
- NPI enumeration date
- October 26, 2006
- NPI status
- Active
- Practice phone
- (410) 821-0100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Thomas Christopher Llewellyn practices at Thomas Llewellyn, Dds, Assoc in Towson, Maryland
Thomas Llewellyn's primary practice is Thomas Llewellyn, Dds, Assoc, at 120 Sister Pierre Drive, Towson, MD 21204-7526. The practice phone is (410) 821-0100.
- Thomas Llewellyn, Dds, Assoc120 Sister Pierre Drive, Towson, MD 21204-7526Phone(410) 821-0100
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Thomas Christopher Llewellyn is affiliated with 1 site of care and 1 medical group
Thomas Llewellyn's primary practice is Thomas Llewellyn, Dds, Assoc in Towson, Maryland. Dmand AI also links Thomas Llewellyn to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Thomas Christopher Llewellyn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Thomas Llewellyn practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Thomas Llewellyn, Dds, Assoc | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Thomas Christopher Llewellyn is one of 755 dentists in Maryland
Dentist is Thomas Llewellyn's primary specialty in the NPI Registry, under taxonomy code 122300000X. Thomas Llewellyn is licensed in Maryland.
Specialties and state licenses
- Dentist, MarylandPrimary
Dentists near Thomas Llewellyn
Counts of dentists 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
Thomas Christopher Llewellyn wrote 113 Medicare Part D claims in 2024
In 2024, Thomas Llewellyn wrote 113 Medicare Part D claims for 70 patients. 99% of them were for generic drugs.
Thomas Llewellyn's Part D claims by kind of drug, 2024
- Generic112 claims99%
- Brand-name and other1 claims1%
Drug classes CMS tracks in Thomas Llewellyn's Part D claims, 2024
- Antibiotics84%95 of 113 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
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Thomas Christopher Llewellyn received $237 in industry payments in 2025
CMS Open Payments shows 3 general payments to Thomas Llewellyn from 2 drug and device companies in 2025. Education make up the largest share, 53% of the total. Align Technology, Inc. paid the most, $125.
General payments to Thomas Llewellyn by kind, 2025 to 2025
- Education$12553%
- Food and beverage$11247%
Companies that paid Thomas Llewellyn the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Thomas Christopher Llewellyn'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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Thomas Christopher Llewellyn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Thomas Christopher Llewellyn's NPI number?
Thomas Christopher Llewellyn's NPI number is 1275618456. It was assigned on October 26, 2006, and it is active in the NPI Registry.
What does Thomas Christopher Llewellyn specialize in?
Thomas Christopher Llewellyn is a dentist in Towson, Maryland. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Thomas Christopher Llewellyn practice?
Thomas Llewellyn practices at 120 Sister Pierre Drive, Towson, MD 21204-7526. Thomas Llewellyn's primary practice is Thomas Llewellyn, Dds, Assoc in Towson, Maryland. Dmand AI also links Thomas Llewellyn to 1 medical group.
What is Thomas Christopher Llewellyn's office phone number?
The practice phone on file for Thomas Llewellyn is (410) 821-0100.
What is Thomas Christopher Llewellyn's medical license number?
Thomas Llewellyn holds Maryland license 10666.
Has Thomas Christopher Llewellyn received payments from drug or device companies?
CMS Open Payments shows $237 in general payments to Thomas Llewellyn from 2 companies from 2025 to 2025. The largest total came from Align Technology, Inc.
How long has Thomas Christopher Llewellyn been practicing?
Thomas Llewellyn's NPI was assigned in 2006.
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