Charles Darwin Jeffers, M.D.
Internal Medicine Physician · Little Rock, AR
Charles Darwin Jeffers, M.D. is an internal medicine physician with a practice address in Little Rock, Arkansas, and NPI 1578958138, issued on Mar 31, 2015. Check the license (Arkansas E-10419, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Charles Darwin Jeffers
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- E-10419 AR
Self-reported in NPPES; status is on the state search - Practice location
- 4300 W 7TH St, Little Rock, AR 72205
- Phone
- (501) 257-5866
- Enumerated
- Mar 31, 2015
- Record last updated
- Apr 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20180711003132); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 768 in Arkansas → Look up another NPI →
Also registered at 4300 W 7TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Megan Adams, PHARM.D.Pharmacist1164917126
Verify Charles Darwin Jeffers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E-10419Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
11 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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
- Conway Regional Medical Center IncConway, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Darwin Jeffers among 768 internal medicine physician records in Arkansas
Charles Darwin Jeffers, M.D. is one of 768 internal medicine physician records with a practice address in Arkansas. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 61% of them.
- NPI issued2015 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2015 · median 2010 among the 519 with a school on file
- Record last updated2024 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
219 internal medicine physician records list a practice address in Little Rock
They are 219 of the 13,172 NPPES records with a practice address in Little Rock, and 768 internal medicine physician records in Arkansas.
All 768 in Arkansas → Every provider in Little Rock → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Brian Bean, M.D.Little Rock, AR 722051003870049
- Eric Delgiacco, M.D.Little Rock, AR 722051285695973
- Raymond Edwards, M.D.Little Rock, AR 722051851371314
- Irol Gray, MDLittle Rock, AR 722051164429981
- Richard Johns, MDLittle Rock, AR 722051144214578
- Rana Kayali, M.D.Little Rock, AR 722051720041577
- Lubna Maruf, M.D.Little Rock, AR 722051336119536
- Solomon Mogbo, M.DLittle Rock, AR 722051083615348
Common questions
What is Charles Darwin Jeffers, M.D.'s NPI number?
Charles Darwin Jeffers, M.D.'s National Provider Identifier (NPI) is 1578958138, issued on Mar 31, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Charles Darwin Jeffers, M.D. located?
The NPPES record lists a practice address at 4300 W 7TH St, Little Rock, AR, 72205. Phone: (501) 257-5866. Providers update this record themselves, so call before visiting.
How can I verify Charles Darwin Jeffers, M.D.'s license?
NPPES lists Arkansas license number E-10419, 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 Charles Darwin Jeffers, M.D. prescribe under Medicare Part D?
In 2024, Charles Darwin Jeffers, M.D. had 11 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.