Dr. Si On Lim
- Gender: Female
- Sole propriator: Yes
- NPI: 1275970345
Dr. Si On Lim DDS
Dentist
She is located at 385 South Columbia Street in Chapel Hill, NC 27599. Can help patients with the following: Dental Bridges, Dental Exam and Cleaning, Dental Implants, Invisalign, Oral Cancer Examination, Teeth Whitening. Her National Provider Identifier (NPI) number is 1275970345. Appointment can be made via the phone number (919) 537-3866.
Conditions treated
Dr. Si On Lim, being an dentist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Si On Lim.
- Bleeding Gums
- Cosmetic Dentistry
- Dental Bridges
- Dental Crowns and Caps
- Dental Emergency
- Dental Exam and Cleaning
- Dental Implants
- Dental Malocclusion
- Dentin Hypersensitivity
- Dentures
- Gum Disease / Gingivitis
- Invisalign
- Laser
- Oral Cancer Examination
- Pericoronitis
- Teeth Grinding
- Teeth Whitening
- Veneers
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Si On Lim as in-network for the following 2026 plans.
Health plans
UnitedHealthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 13 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential ($0 Virtual Urgent Care, No Referrals | HMO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard (No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard+ Dental + Vision (No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Gold Advantage ($0 Virtual Urgent Care, $1 Tier 2 Rx, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Advantage + ($0 Virtual Urgent Care, $1 Tier 2 Rx, Dental + Vision, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard (No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Silver Advantage ($0 Virtual Urgent Care, $3 Tier 2 Rx, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Advantage + ($0 Virtual Urgent Care, $3 Tier 2 Rx, Dental + Vision, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard (No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Value ($0 Virtual Urgent Care, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Value + ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
Dental plans
Delta Dental of North Carolina
Network data as of Sep 12, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Delta Dental Basic Plan | PPO · Low | Delta Dental PPO and Delta Dental Premier | Accepting new patients |
| Delta Dental Ideal Plan | PPO · High | Delta Dental PPO and Delta Dental Premier | Accepting new patients |
| Delta Dental Preferred Plan | PPO · High | Delta Dental PPO and Delta Dental Premier | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Si On Lim is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Si On Lim is enrolled to bill Medicare as a Practitioner - Dentist .
Bills through: University Of North Carolina Hospitals At Chapel Hill
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Dentsply | $40 |
| Henry Schein | $18 |
Other
| Food and Beverage | $58 |
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Questions & Answers
What conditions does Dr. Si On Lim treat?
Dr. Si On Lim provides treatment for Dental Bridges, Dental Exam and Cleaning, Dental Implants, Invisalign, Oral Cancer Examination, Teeth Whitening. For the full list see this list.
Does Dr. Si On Lim accept insurance?
Dr. Si On Lim is listed in-network for 16 ACA Marketplace (Obamacare/HealthCare.gov) plans from UnitedHealthcare, Delta Dental of North Carolina. See the Marketplace plans section for details.
Where can you meet with Dr. Si On Lim?
Dr. Si On Lim's office is located at 385 South Columbia Street in Chapel Hill, NC 27599.