Ermias Tilahun, M.D.
Internal Medicine Physician · Chicago, IL
Ermias Tilahun, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1285628768, issued on Sep 9, 2005. Check the license (Illinois 036-094888, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ermias Tilahun
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-094888 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5015 N Paulina St Ste 101, Chicago, IL 60640
- Phone
- (773) 907-3550
- Enumerated
- Sep 9, 2005
- Record last updated
- Jan 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 036-094888-1 IL
- Medicare enrollment
- Enrolled (PECOS I20040428000454); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 5015 N Paulina St Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erenee Sirinian, D.O.Internal Medicine Physician1033309661
Verify Ermias Tilahun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-094888Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average internal medicine physician in 2024
3,272 Medicare Part D claims for 151 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 64 claims were for opioids.
Most prescribed
- Atorvastatin Calcium207 claims
- Losartan Potassium134 claims
- Metformin Hcl126 claims
- Potassium Chloride95 claims
- Levothyroxine Sodium91 claims
- Omeprazole85 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
- Ermias Tilahun MD SCChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ermias Tilahun among 7,238 internal medicine physician records in Illinois
Ermias Tilahun, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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, 93% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1985 · median 2003 among the 3,580 with a school on file
- Record last updated2021 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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Common questions
What is Ermias Tilahun, M.D.'s NPI number?
Ermias Tilahun, M.D.'s National Provider Identifier (NPI) is 1285628768, issued on Sep 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ermias Tilahun, M.D. located?
The NPPES record lists a practice address at 5015 N Paulina St Ste 101, Chicago, IL, 60640. Phone: (773) 907-3550. Providers update this record themselves, so call before visiting.
How can I verify Ermias Tilahun, M.D.'s license?
NPPES lists Illinois license number 036-094888, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ermias Tilahun, M.D. prescribe under Medicare Part D?
In 2024, Ermias Tilahun, M.D. had 3,272 Medicare Part D claims for 151 beneficiaries; 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.