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Internal Medicine

Kimhai N. Lam, MD

Works at hospitals in Clearlake, CA · Fort Bragg, CA · Saint Helena, CA … · California

Summary

Kimhai N. Lam, MD (Internal Medicine) is listed by Medicare at 5 hospitals in Clearlake, CA, Fort Bragg, CA and Saint Helena, CA and other places. NPI 1124192448. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Kimhai N. Lam, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
28Years since medical school (graduated 1998)
FemaleGender (as listed)
Providence Medical FoundationGroup practice (+1 more)

Quick answers

Which hospitals does Kimhai N. Lam work at?
Medicare's official clinician data lists Kimhai N. Lam at 5 hospitals: Adventist Health Clearlake, Adventist Health Mendocino Coast, Adventist Health St Helena, Adventist Health Ukiah Valley and Providence Queen of the Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Kimhai N. Lam see patients?
Medicare's clinician data lists 2 practice locations, including Willits, CA and Napa, CA. Call before your visit to confirm the address.
What is Kimhai N. Lam's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
Does Kimhai N. Lam accept Medicare assignment?
Yes. Medicare's clinician data says Kimhai N. 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 Kimhai N. Lam?
(707) 459-6801, as listed in official Medicare / NPI Registry data.
What is Kimhai N. Lam's NPI number?
1124192448. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Kimhai N. Lam works

Medicare's Facility Affiliation Data lists Kimhai N. Lam at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Kimhai N. Lam is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Kimhai N. Lam as a member of these groups (CMS data updated 2026-10-02).

  • Providence Medical Foundation1,466 clinicians in the group
  • Galen Inpatient Physicians PC1,077 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Willits

Clinicians with the same Medicare primary specialty in Willits, CA — not a recommendation.

All internal medicine doctors in Willits →

Clinician information

CredentialMD
Graduation year1998
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124192448
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians