Lionel Lim, MD
NPI 1841306818 · Geriatric Medicine (Internal Medicine) Physician · Burlington, MA
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lionel Lim, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Burlington, MA (NPI 1841306818).
Provider details
- NPI number
- 1841306818
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 045812 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-08-22
- Last updated
- 2021-02-18
- Certified
- 2021-02-18
Frequently asked questions
- What is Lionel Lim's NPI number?
- Lionel Lim's National Provider Identifier (NPI) is 1841306818, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lionel Lim's specialty?
- Lionel Lim is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Lionel Lim located?
- Lionel Lim's practice location on file with NPPES is 20 Wall St, Burlington, MA 01803-4758.
- What is Lionel Lim's phone number?
- The practice phone number listed in the NPPES registry for Lionel Lim is (781) 221-2500.
- Does Lionel Lim accept Medicare?
- Lionel Lim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lionel Lim's NPI active?
- Yes — Lionel Lim's NPI (1841306818) is active in the NPPES registry as of the last update on 2021-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.