Cornerstone Internal Medicine, PLLC
NPI 1124353198 · Internal Medicine Physician · Cary, NC
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cornerstone Internal Medicine, PLLC is a Internal Medicine Physician organization in Cary, NC (NPI 1124353198).
Provider details
- NPI number
- 1124353198
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Yu Liu, Physician(919) 854-2006
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Primary Care Clinic/Center261QP2300X
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2009-10-08
- Last updated
- 2020-02-12
- Certified
- 2020-02-12
Frequently asked questions
- What is Cornerstone Internal Medicine, PLLC's NPI number?
- Cornerstone Internal Medicine, PLLC's National Provider Identifier (NPI) is 1124353198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Cornerstone Internal Medicine, PLLC?
- Cornerstone Internal Medicine, PLLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cornerstone Internal Medicine, PLLC located?
- Cornerstone Internal Medicine, PLLC's practice location on file with NPPES is 2703 Jones Franklin Rd, Cary, NC 27518-7172.
- What is Cornerstone Internal Medicine, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Cornerstone Internal Medicine, PLLC is (919) 854-2006.
- Does Cornerstone Internal Medicine, PLLC accept Medicare?
- Cornerstone Internal Medicine, PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Cornerstone Internal Medicine, PLLC?
- The authorized official listed on Cornerstone Internal Medicine, PLLC's NPPES record is Yu Liu, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Cornerstone Internal Medicine, PLLC's NPI active?
- Yes — Cornerstone Internal Medicine, PLLC's NPI (1124353198) is active in the NPPES registry as of the last update on 2020-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.