Quick answers
- Which hospitals does Gregory Lam work at?
- Medicare's official clinician data lists Gregory Lam at 5 hospitals: Bethesda North, Christ Hospital, Good Samaritan Hospital, Mercy Health - Clermont Hospital and Mercy Health-Anderson Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory Lam see patients?
- Medicare's clinician data lists 2 practice locations, including Ft Wright, KY and Batavia, OH. Call before your visit to confirm the address.
- What is Gregory Lam's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Gregory Lam accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory Lam 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 Gregory Lam?
- (513) 233-4100, as listed in official Medicare / NPI Registry data.
- What is Gregory Lam's NPI number?
- 1861416596. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory Lam works
Medicare's Facility Affiliation Data lists Gregory Lam at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bethesda NorthCincinnati, OH · Acute Care Hospital · CCN 360179
- Christ HospitalCincinnati, OH · Acute Care Hospital · CCN 360163
- Good Samaritan HospitalCincinnati, OH · Acute Care Hospital · CCN 360134
- Mercy Health - Clermont HospitalBatavia, OH · Acute Care Hospital · CCN 360236
- Mercy Health-Anderson HospitalCincinnati, OH · Acute Care Hospital · CCN 360001
Practice locations
Addresses where Gregory Lam is enrolled with Medicare (CMS data updated 2026-10-02).
- 1955 Dixie Hwy, Suite KFt Wright, KY 41011 (513) 233‑4100
- 2055 Hospital Dr, Suite 325Batavia, OH 45103 (513) 735‑0200
Group practices
Medicare enrollment lists Gregory Lam as a member of this group (CMS data updated 2026-10-02).
- Greater Cincinnati Digestive Health Network14 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Kentucky
Clinicians with the same Medicare primary specialty in Kentucky — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861416596 |
| 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