Dennis Taehun Um, M.D.
Student in an Organized Health Care Education/Training Program · Chicago, IL
Dennis Taehun Um, M.D. is a student in an organized health care education/training program with a practice address in Chicago, Illinois, and NPI 1487918165, issued on Jun 27, 2012. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dennis Taehun Um
- Credential
- M.D.
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 1127 N Oakley Blvd, Chicago, IL 60622
- Phone
- (312) 770-2040
- Enumerated
- Jun 27, 2012
- Record last updated
- Feb 13, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (312) 770-3270
- Medicare enrollment
- Enrolled (PECOS I20250626002549); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 6,526 in Illinois → Look up another NPI →
Also registered at 1127 N Oakley Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marisol Acevedo, MHPCase Manager/Care Coordinator1215210950
- Celia Almazan, MSWClinical Social Worker1386926392
- Jennifer Avila, LCSWClinical Social Worker1821483124
- Lindsey BongiornoCounselor1164773198
- Angel Caracheo, LPCProfessional Counselor1780046490
- Deanna ChinStudent in an Organized Health Care Education/Training Program1245670025
Verify Dennis Taehun Um in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
11 Medicare Part D claims, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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
- American Current Care PAFort Worth, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis Taehun Um among 6,526 student in an organized health care education/training program records in Illinois
Dennis Taehun Um, M.D. is one of 6,526 student in an organized health care education/training program records with a practice address in Illinois. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 3% of them.
- NPI issued2012 · 3% of these records are older, 96% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileYes · 3% of these records are
- Graduated2012 · median 2018 among the 190 with a school on file
- Record last updated2014 · 22% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3,509 student in an organized health care education/training program records list a practice address in Chicago
They are 3,509 of the 63,379 NPPES records with a practice address in Chicago, and 6,526 student in an organized health care education/training program records in Illinois.
All 6,526 in Illinois → Every provider in Chicago → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Deanna ChinChicago, IL 606221245670025
- Justyna CzechowskaChicago, IL 606221396198453
- Gaganjit Dillon, M.DChicago, IL 606221427400357
- Matthew Felten, M.D.Chicago, IL 606221164871240
- Molly Flajole, MS, CCC-SLPChicago, IL 606221891158960
- Rachel Ruth Flores, M.D.Chicago, IL 606221356602965
- Faiza Khalid, M.D.Chicago, IL 606221831541788
- Daniel OstapowiczChicago, IL 606221023561255
Common questions
What is Dennis Taehun Um, M.D.'s NPI number?
Dennis Taehun Um, M.D.'s National Provider Identifier (NPI) is 1487918165, issued on Jun 27, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Taehun Um, M.D. located?
The NPPES record lists a practice address at 1127 N Oakley Blvd, Chicago, IL, 60622. Phone: (312) 770-2040. Providers update this record themselves, so call before visiting.
How can I verify Dennis Taehun Um, M.D.'s license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Dennis Taehun Um, M.D. prescribe under Medicare Part D?
In 2024, Dennis Taehun Um, M.D. had 11 Medicare Part D claims; the average among student in an organized health care education/training program prescribers was 185. 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.