Benjamin Stephen Chacko, M.D.
Emergency Medicine Physician · Iowa City, IA
Benjamin Stephen Chacko, M.D. is an emergency medicine physician with a practice address in Iowa City, Iowa, and NPI 1770803884, issued on Jun 11, 2010. Check the license (Iowa R-8963, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Benjamin Stephen Chacko
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- R-8963 IA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hawkins Dr, Iowa City, IA 52242
- Phone
- (319) 384-6511
- Enumerated
- Jun 11, 2010
- Record last updated
- Jun 11, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 509 in Iowa → Look up another NPI →
Also registered at 200 Hawkins Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Francois Abboud, MDCardiovascular Disease Physician1598753113
- Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
- Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160
Verify Benjamin Stephen Chacko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license R-8963Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Benjamin Stephen Chacko among 509 emergency medicine physician records in Iowa
Benjamin Stephen Chacko, M.D. is one of 509 emergency medicine physician records with a practice address in Iowa. 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 2010, is newer than 54% of them.
- NPI issued2010 · 54% of these records are older, 44% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2010 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
123 emergency medicine physician records list a practice address in Iowa City
They are 123 of the 7,163 NPPES records with a practice address in Iowa City, and 509 emergency medicine physician records in Iowa.
All 509 in Iowa → Every provider in Iowa City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Agustin Aguilar, MDIowa City, IA 522421649252503
- Gregory Bell, MDIowa City, IA 522421841305042
- Mark Graber, MDIowa City, IA 522421376528422
- Hans House, MDIowa City, IA 522421760464622
- Harlo Hove, MDIowa City, IA 522421265408520
- Sangil Lee, M.D.Iowa City, IA 522421003022237
- Anna Lorence, M.D.Iowa City, IA 522421881803583
- Michael Miller, MDIowa City, IA 522421447240874
Common questions
What is Benjamin Stephen Chacko, M.D.'s NPI number?
Benjamin Stephen Chacko, M.D.'s National Provider Identifier (NPI) is 1770803884, issued on Jun 11, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Stephen Chacko, M.D. located?
The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 384-6511. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Stephen Chacko, M.D.'s license?
NPPES lists Iowa license number R-8963, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Benjamin Stephen Chacko, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.1 of 100. 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.