Quick answers
- Where does Mark Delon Lim see patients?
- Medicare's clinician data lists 3 practice locations, including Portland, ME and Biddeford, ME. Call before your visit to confirm the address.
- What is Mark Delon Lim's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Mark Delon Lim accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Delon Lim accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Mark Delon Lim?
- (207) 283-7660, as listed in official Medicare / NPI Registry data.
- What is Mark Delon Lim's NPI number?
- 1669559100. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mark Delon Lim is enrolled with Medicare (CMS data updated 2026-10-02).
- 22 Bramhall StPortland, ME 04102
- 235 Main StBiddeford, ME 04005 (207) 283‑7660
- 235 Main St, Fl 2Biddeford, ME 04005 (844) 292‑0111
Group practices
Medicare enrollment lists Mark Delon Lim as a member of this group (CMS data updated 2026-10-02).
- MaineHealth2,633 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Portland
Clinicians with the same Medicare primary specialty in Portland, ME — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669559100 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians