OrganizationActive
Thomas Llewellyn, DDS, Assoc. PA
NPI 1679658959 · Dentist · Towson, MD
Thomas Llewellyn, DDS, Assoc. PA is a Dentist organization in Towson, MD (NPI 1679658959).
Provider details
- NPI number
- 1679658959
- Entity type
- Organization
- Primary specialty
- DentistDental Providers
- Organization subpart
- No
- Authorized official
- Thomas Llewellyn, Dentist Owner(410) 821-0100
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
120 Sister Pierre Drive
Suite 302
Towson, MD 21204-7526
Phone: (410) 821-0100
Fax: (410) 821-0112
Street-level locationGet directions
Mailing address
120 Sister Pierre Drive
Towson, MD 21204-7526
Registry dates
- Enumerated
- 2006-10-26
- Last updated
- 2008-07-15
Frequently asked questions
- What is Thomas Llewellyn, DDS, Assoc. PA's NPI number?
- Thomas Llewellyn, DDS, Assoc. PA's National Provider Identifier (NPI) is 1679658959, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Thomas Llewellyn, DDS, Assoc. PA?
- Thomas Llewellyn, DDS, Assoc. PA is classified in the NPPES registry as Dentist (Dental Providers).
- Where is Thomas Llewellyn, DDS, Assoc. PA located?
- Thomas Llewellyn, DDS, Assoc. PA's practice location on file with NPPES is 120 Sister Pierre Drive, Towson, MD 21204-7526.
- What is Thomas Llewellyn, DDS, Assoc. PA's phone number?
- The practice phone number listed in the NPPES registry for Thomas Llewellyn, DDS, Assoc. PA is (410) 821-0100.
- Who is the authorized official for Thomas Llewellyn, DDS, Assoc. PA?
- The authorized official listed on Thomas Llewellyn, DDS, Assoc. PA's NPPES record is Thomas Llewellyn, Dentist Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Thomas Llewellyn, DDS, Assoc. PA's NPI active?
- Yes — Thomas Llewellyn, DDS, Assoc. PA's NPI (1679658959) is active in the NPPES registry as of the last update on 2008-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.