Quick answers
- Where does William W. Lee see patients?
- Medicare's clinician data lists 2 practice locations, including Fairfield, NJ and Oakland, NJ. Call before your visit to confirm the address.
- What is William W. Lee's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does William W. Lee accept Medicare assignment?
- Yes. Medicare's clinician data says William W. Lee 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.
- Does William W. Lee offer telehealth?
- Medicare's clinician data says William W. Lee offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William W. Lee?
- (862) 210-8018, as listed in official Medicare / NPI Registry data.
- What is William W. Lee's NPI number?
- 1083788145. 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 William W. Lee is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 Fairfield RdFairfield, NJ 07004 (862) 210‑8018
- 43 Yawpo AveOakland, NJ 07436 (201) 337‑0066
Group practices
Medicare enrollment lists William W. Lee as a member of this group (CMS data updated 2026-10-02).
- William K Lee MD PA10 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New Jersey →
Other cardiologists in Fairfield
Clinicians with the same Medicare primary specialty in Fairfield, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1969 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1083788145 |
| 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