Joseph Chacko, MD
Ophthalmology Physician · Little Rock, AR
Joseph Chacko, MD is an ophthalmology physician with a practice address in Little Rock, Arkansas, and NPI 1487744975, issued on Oct 13, 2006. Check the license (Arkansas E-4513, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joseph Chacko
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- E-4513 AR
Self-reported in NPPES; status is on the state search - Practice location
- 4301 W Markham St # 783, Little Rock, AR 72205
- Phone
- (501) 686-8000
- Enumerated
- Oct 13, 2006
- Record last updated
- Jul 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 158035001 AR
- Medicare enrollment
- Enrolled (PECOS I20050830000934); accepts Medicare assignment
- Medical or professional school
- Medical College Of Pennsylvania, 1991
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 145 in Arkansas → Look up another NPI →
Also registered at 4301 W Markham St # 783
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Daisy Alapat, MDAnatomic Pathology & Clinical Pathology Physician1689812190
- Ioannis AnastasiouGastroenterology Physician1104201532
Verify Joseph Chacko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E-4513Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average ophthalmology physician in 2024
764 Medicare Part D claims for 171 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Latanoprost197 claims
- Prednisone85 claims
- Pyridostigmine Bromide82 claims
- Brimonidine Tartrate51 claims
- Acetazolamide Er48 claims
- Acetazolamide46 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
- University OF Arkansas For Medical SciencesLittle Rock, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Chacko among 145 ophthalmology physician records in Arkansas
Joseph Chacko, MD is one of 145 ophthalmology physician records with a practice address in Arkansas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 35% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1991 · median 2001 among the 89 with a school on file
- Record last updated2021 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Arkansas
There are 145 ophthalmology physician records in Arkansas.
All 145 in Arkansas → Every provider in Little Rock → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Sean Paul Atreides, MDLittle Rock, AR 722051811972029
- Tracy Baltz, MDLittle Rock, AR 722051881679033
- Katherine Baltz, M.D.Little Rock, AR 722051225006497
- James Bradford, MDLittle Rock, AR 722051477524973
- Jay Brainard, M.D.Little Rock, AR 722051932177318
- Carol Chappell, MDLittle Rock, AR 722051275529851
- Ernest Clifton, MDLittle Rock, AR 722051972588184
- Lydia Lane, M.D.Little Rock, AR 722051033112420
Common questions
What is Joseph Chacko, MD's NPI number?
Joseph Chacko, MD's National Provider Identifier (NPI) is 1487744975, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Chacko, MD located?
The NPPES record lists a practice address at 4301 W Markham St # 783, Little Rock, AR, 72205. Phone: (501) 686-8000. Providers update this record themselves, so call before visiting.
How can I verify Joseph Chacko, MD's license?
NPPES lists Arkansas license number E-4513, 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 Joseph Chacko, MD prescribe under Medicare Part D?
In 2024, Joseph Chacko, MD had 764 Medicare Part D claims for 171 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.