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Allergy/Immunology

Christopher B. Clark, MD

Works at hospitals in Gallipolis, OH · Athens, OH · Ohio

Summary

Christopher B. Clark, MD (Allergy/Immunology) is listed by Medicare at 2 hospitals in Gallipolis, OH and Athens, OH. NPI 1639123995. 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 Christopher B. Clark, 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

Allergy/ImmunologyPrimary specialty
YesAccepts Medicare assignment
28Years since medical school (graduated 1998)
Jc Edwards School Of Medicine, Marshall UniversityMedical school
MaleGender (as listed)
Holzer Clinic LLCGroup practice

Quick answers

Which hospitals does Christopher B. Clark work at?
Medicare's official clinician data lists Christopher B. Clark at 2 hospitals: Holzer Medical Center and OhioHealth O'Bleness Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Christopher B. Clark see patients?
Medicare's clinician data lists 2 practice locations, including Gallipolis, OH and Jackson, OH. Call before your visit to confirm the address.
What is Christopher B. Clark's specialty?
Medicare lists Allergy/Immunology as the primary specialty.
Does Christopher B. Clark accept Medicare assignment?
Yes. Medicare's clinician data says Christopher B. Clark 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 Christopher B. Clark?
(740) 446-5050, as listed in official Medicare / NPI Registry data.
What is Christopher B. Clark's NPI number?
1639123995. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Christopher B. Clark works

Medicare's Facility Affiliation Data lists Christopher B. Clark 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 Christopher B. Clark is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Christopher B. Clark as a member of this group (CMS data updated 2026-10-02).

  • Holzer Clinic LLC269 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Ohio →

Other allergist and immunologists in Ohio

Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.

All allergist and immunologists in Ohio →

Clinician information

CredentialMD
Medical schoolJc Edwards School Of Medicine, Marshall University
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639123995
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