Christopher Leigh John, MD
Critical Care Medicine (Internal Medicine) Physician · Little Rock, AR
Christopher Leigh John, MD is a critical care medicine (internal medicine) physician with a practice address in Little Rock, Arkansas, and NPI 1619974599, issued on Jul 7, 2005. Check the license (Arkansas E2644, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Christopher Leigh John
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- E2644 AR
E6244 AR
Self-reported in NPPES; status is on the state search - Practice location
- 11321 Interstate 30, Little Rock, AR 72209
- Phone
- (501) 407-0200
- Enumerated
- Jul 7, 2005
- Record last updated
- Jul 20, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (501) 407-0220
- Medicaid ID
- 140774001 AK
- Medicare enrollment
- Enrolled (PECOS I20041202000335); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 29 in Arkansas → Look up another NPI →
Also registered at 11321 Interstate 30
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmed Abdelal, M.D.Internal Medicine Physician1548265572
- Anil Badhwar, M.DAllergy & Immunology Physician1992764260
- Ashley BallCase Manager/Care Coordinator1295020303
- Meenakshi Budhraja, MDGastroenterology Physician1700931755
- Charles Chamblee, D.MIN; M.DIV; L.A.C.Professional Counselor1285979609
- Jeremy Davis, MHPPCase Manager/Care Coordinator1063694677
Verify Christopher Leigh John in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E2644Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.7 times the Medicare Part D claims of the average critical care medicine (internal medicine) physician in 2024
3,302 Medicare Part D claims for 447 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 64% of claims. 20 claims were for opioids.
Most prescribed
- Trelegy Ellipta732 claims
- Albuterol Sulfate Hfa443 claims
- Breo Ellipta257 claims
- Anoro Ellipta215 claims
- Prednisone149 claims
- Sildenafil Citrate95 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 60.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,127.12
61 payments; by number, the most common kind was food and beverage; the largest payer was Actelion Pharmaceuticals US, Inc. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Christopher L JohnLittle Rock, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Leigh John among 29 critical care medicine (internal medicine) physician records in Arkansas
Christopher Leigh John, MD is one of 29 critical care medicine (internal medicine) physician records with a practice address in Arkansas. 93% 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, 97% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated1977 · median 2008 among the 24 with a school on file
- Record last updated2010 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Arkansas
There are 29 critical care medicine (internal medicine) physician records in Arkansas.
All 29 in Arkansas → Every provider in Little Rock → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Andrew Hinson, MDLittle Rock, AR 722111417418468
- Shahrukh ArifLittle Rock, AR 722051548613961
- William Atchley, MD, PHDLittle Rock, AR 722051649513847
- Mohamed Attia, M.D.Little Rock, AR 722051144617754
- Howard Corwin, M.D.Little Rock, AR 722051609899228
- Lalasa Doppalapudi, M.D.Little Rock, AR 722051982270658
- Cidney Hulett, MD, MPHLittle Rock, AR 722051598960270
- Austin Knott, MDLittle Rock, AR 722051396164125
Common questions
What is Christopher Leigh John, MD's NPI number?
Christopher Leigh John, MD's National Provider Identifier (NPI) is 1619974599, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Leigh John, MD located?
The NPPES record lists a practice address at 11321 Interstate 30, Little Rock, AR, 72209. Phone: (501) 407-0200. Providers update this record themselves, so call before visiting.
How can I verify Christopher Leigh John, MD's license?
NPPES lists Arkansas license number E2644, 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 Leigh John, MD prescribe under Medicare Part D?
In 2024, Christopher Leigh John, MD had 3,302 Medicare Part D claims for 447 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is Christopher Leigh John, MD's MIPS final score?
The 2023 MIPS final score is 60.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.