Christopher Knox, MD
Family Medicine Physician · Harrison, AR
Christopher Knox, MD is a family medicine physician with a practice address in Harrison, Arkansas, and NPI 1871583229, issued on Oct 26, 2005. Check the license (Arkansas E2295, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Christopher Knox
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- E2295 AR
Self-reported in NPPES; status is on the state search - Practice location
- 620 N Willow St, Harrison, AR 72601
- Phone
- (870) 365-2076
- Enumerated
- Oct 26, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040317000420); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,681 in Arkansas → Look up another NPI →
Also registered at 620 N Willow St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Garry Melton, CRNACertified Registered Nurse Anesthetist1477592368
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- Thomas Ross, BS PHARMACYPharmacist1851398317
- James Shealy, CRNACertified Registered Nurse Anesthetist1043251523
Verify Christopher Knox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E2295Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family medicine physician in 2024
380 Medicare Part D claims for 189 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 81 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen61 claims
- Ondansetron Odt38 claims
- Prednisone29 claims
- Promethazine Hcl19 claims
- Amoxicillin-Clavulanate Potass18 claims
- Doxycycline Hyclate18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Newgen OF Arkansas LLCClarksville, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Knox among 1,681 family medicine physician records in Arkansas
Christopher Knox, MD is one of 1,681 family medicine physician records with a practice address in Arkansas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1998 · median 2004 among the 1,156 with a school on file
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 family medicine physician records list a practice address in Harrison
They are 27 of the 668 NPPES records with a practice address in Harrison, and 1,681 family medicine physician records in Arkansas.
All 1,681 in Arkansas → Every provider in Harrison → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Stacy Armstrong, D.O.Harrison, AR 726011144291816
- Victor Armstrong, D.O.Harrison, AR 726011689645350
- Shannon Brownfield, M.D.Harrison, AR 726011497720221
- Victor Chu, M.D.Harrison, AR 726011528039443
- Cathy Clary, MDHarrison, AR 726011639177413
- Kenneth Collins, MDHarrison, AR 726011679571723
- Geoffrey Dunaway, MDHarrison, AR 726011740266535
- James Hawk, M.D.Harrison, AR 726011326028440
Common questions
What is Christopher Knox, MD's NPI number?
Christopher Knox, MD's National Provider Identifier (NPI) is 1871583229, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Knox, MD located?
The NPPES record lists a practice address at 620 N Willow St, Harrison, AR, 72601. Phone: (870) 365-2076. Providers update this record themselves, so call before visiting.
How can I verify Christopher Knox, MD's license?
NPPES lists Arkansas license number E2295, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christopher Knox, MD prescribe under Medicare Part D?
In 2024, Christopher Knox, MD had 380 Medicare Part D claims for 189 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.