OrganizationActive
Leo Liu, MD
NPI 1548633118 · Infectious Disease Physician · Lawrence, MA
Leo Liu, MD is a Infectious Disease Physician organization in Lawrence, MA (NPI 1548633118).
Provider details
- NPI number
- 1548633118
- Entity type
- Organization
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Leo Liu, Owner(781) 724-9041
- License
- 56228 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(73/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
1 General St
Lawrence, MA 01841-2961
Phone: (781) 724-9041
Street-level locationGet directions
Mailing address
380r Merrimack St Fl 2
Methuen, MA 01844-5884
Registry dates
- Enumerated
- 2015-11-04
- Last updated
- 2025-06-29
- Certified
- 2025-06-29
Frequently asked questions
- What is Leo Liu, MD's NPI number?
- Leo Liu, MD's National Provider Identifier (NPI) is 1548633118, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Leo Liu, MD?
- Leo Liu, MD is classified in the NPPES registry as Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Leo Liu, MD located?
- Leo Liu, MD's practice location on file with NPPES is 1 General St, Lawrence, MA 01841-2961.
- What is Leo Liu, MD's phone number?
- The practice phone number listed in the NPPES registry for Leo Liu, MD is (781) 724-9041.
- Who is the authorized official for Leo Liu, MD?
- The authorized official listed on Leo Liu, MD's NPPES record is Leo Liu, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Leo Liu, MD's NPI active?
- Yes — Leo Liu, MD's NPI (1548633118) is active in the NPPES registry as of the last update on 2025-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.