CHRISTOPHER B. CLARK M.D.
NPI 1639123995
Allergy & Immunology in Gallipolis, OH

Q: What is Christopher Clark's NPI number?

The NPI number for Christopher Clark is 1639123995. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Q: What is Christopher Clark's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Q: When was this NPI record last updated?

The NPPES record for Christopher Clark was last updated on January 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 20, 2006PECOS EnrolledAccepts Medicare Assignment

81.42/100

CMS Quality Rating

100 JACKSON PIKE, GALLIPOLIS, OH 45631(740) 446-5360(740) 446-5486 Get Directions Write a Review

NPPES record last updated: January 21, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 21, 2021, Nov 5, 2019 (2 updates tracked since 2019).

On this page

About Christopher B. Clark M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTOPHER B. CLARK M.D. (NPI 1639123995) is an individual allergy & immunology provider in Gallipolis, Ohio, licensed in Ohio (35-08-2565) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Ohiohealth O'bleness Hospital, and is a graduate of Jc Edwards School Of Medicine, Marshall University (1998).

NPPES Registry Identity

NPI1639123995

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameCHRISTOPHER B. CLARKCredential: M.D.

Location Address100 JACKSON PIKEGallipolis, OH 45631-1560

Mailing Address90 Jackson PikeGallipolis, OH 45631-1560 · (740) 446-5360 · Fax (740) 446-5486

Phone(740) 446-5360

Fax(740) 446-5486

Sole ProprietorNo

Medical School CMSJc Edwards School Of Medicine, Marshall UniversityGraduated 1998

Enumeration DateMay 20, 2006

Last NPPES UpdateJanuary 21, 20212 updates tracked since enumeration

NPPES CertifiedJanuary 21, 2021

✔ NPI 1639123995 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

Licenses✔ Licensed in OH · 35-08-2565✔ Licensed in WV · 21461

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

100 JACKSON PIKE, Gallipolis, OH 45631

Open in Google Maps ↗

Other Identifiers 5

Other310917085113OH · Oh Medicaid Caresource

Medicaid1810204000WV

Other2434771OH · Oh Medicaid Molina

Other000000181421OH · Oh Medicaid Unison

Medicaid2434771OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Christopher B. Clark M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5698766277

PECOS Enrollment IDI20040521000678

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Christopher Clark reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Holzer Clinic, LLC

Same address

Multi-Specialty

100 JACKSON PIKE
Gallipolis, OH 45631

Reassigned Medicare billing, Ohio enrollment
321 clinicians in this Medicare group

NPI 1508817248 (740) 446-5385

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for allergy using allergenic extract 95004

An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.

1,799 services31 patients

Professional service for preparation and provision of 1 or more antigens 95165

This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.

506 services12 patients

Test for allergy using allergenic extract injected into skin 95024

An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.

490 services23 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

119 services74 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

76 services52 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

46 services26 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ohiohealth O'bleness Hospital

Acute Care Hospitals · Athens, OH

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number360014

Location55 Hospital DriveAthens, OH 45701 · Athens County

Emergency services Birthing friendly

Holzer Medical Center

Acute Care Hospitals · Gallipolis, OH

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360054

Location100 Jackson PikeGallipolis, OH 45631 · Gallia County

Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.42/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

69.28

Promoting Interoperability

100

Improvement Activities

Cost

57.96

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221

DME-Other DME · category DE017N

2 suppliers22 claims88 services$19.58 avg. paid by Medicare

Injection, immune globulin (hizentra), 100 mg J1559

Treatment-Injections and Infusions (nononcologic) · category RI008N

2 suppliers24 claims16,320 services$9.52 avg. paid by Medicare

Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552

DME-Other DME · category DE000N

2 suppliers24 claims184 services$2.42 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EUGENIA KAY MCCOY CRNA, DMPNA

Nurse Anesthetist, Certified Registered