Quick answers
- Which hospitals does Lan Cao work at?
- Medicare's official clinician data lists Lan Cao at 2 hospitals: Hunterdon Medical Center and St Luke's Warren Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lan Cao see patients?
- Medicare's clinician data lists 2 practice locations, including Flemington, NJ. Call before your visit to confirm the address.
- What is Lan Cao's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Lan Cao accept Medicare assignment?
- Yes. Medicare's clinician data says Lan Cao 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 Lan Cao?
- (908) 237-5486, as listed in official Medicare / NPI Registry data.
- What is Lan Cao's NPI number?
- 1639494677. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lan Cao works
Medicare's Facility Affiliation Data lists Lan Cao at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hunterdon Medical CenterFlemington, NJ · Acute Care Hospital · CCN 310005
- St Luke's Warren HospitalPhillipsburg, NJ · Acute Care Hospital · CCN 310060
Practice locations
Addresses where Lan Cao is enrolled with Medicare (CMS data updated 2026-10-02).
- 2100 Wescott DrFlemington, NJ 08822
- 2100 Westcott Dr, Hunterdon Adult Hospitalist ServicesFlemington, NJ 08822 (908) 237‑5486
Group practices
Medicare enrollment lists Lan Cao as a member of this group (CMS data updated 2026-10-02).
- Hunterdon Medical Center70 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Flemington
Clinicians with the same Medicare primary specialty in Flemington, NJ — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639494677 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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