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Dr. Ermias Tilahun, MD
NPI1285628768PAC ID6507853918
- Medicare services, 2024
- 1,754
- Medicare patients, 2024
- 194
- Part D claims, 2024
- 3,272
- Publications
- 5
- Hospital affiliations
- 3
- Practice address
- 2740 W Foster Ave, Chicago, IL 60625
- Practice phone
- Call (773) 907-3550
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tilahun & Sirinian Medical Group
Chicago, Illinois
Find Dr. Tilahun's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ermias Tilahun is an internist in Chicago, Illinois
Dr. Tilahun practices at Tilahun & Sirinian Medical Group in Chicago, Illinois.
Dr. Tilahun's NPI, 1285628768, was assigned on September 9, 2005. Dr. Tilahun holds Illinois license 036-094888.
NPI and contact details
- NPI
- 1285628768NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507853918
- NPI enumeration date
- September 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (773) 907-3550
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ermias Tilahun practices at Tilahun & Sirinian Medical Group in Chicago, Illinois
Dr. Tilahun's primary practice is Tilahun & Sirinian Medical Group, at 2740 W Foster Ave, Chicago, IL 60625 in Cook County. The practice phone is (773) 907-3550.
- Tilahun & Sirinian Medical Group2740 W Foster Ave, Chicago, IL 60625 · Cook CountyPhone(773) 907-3550
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ermias Tilahun is affiliated with 10 sites of care and 1 medical group
Dr. Tilahun's primary practice is Tilahun & Sirinian Medical Group in Chicago, Illinois. Dr. Tilahun is also affiliated with Swedish Hospital. The medical group on file is Tilahun & Sirinian Medical Group. Dmand AI also links Dr. Tilahun to 2 more hospitals, 4 skilled nursing facilities, 1 group practice or clinic and 1 home health agency, each named with a free account.
Tilahun & Sirinian Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ermias Tilahun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tilahun practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tilahun & Sirinian Medical Group | Available with a free account |
| +9 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ermias Tilahun is one of 5,652 internists in Illinois
Internal medicine is Dr. Tilahun's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tilahun is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Tilahun
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ermias Tilahun billed Medicare for 1,754 services in 2024
CMS data shows 1,754 Medicare services from Dr. Tilahun across 4 procedure codes in 2024, for 194 Medicare patients. Medicare paid $122,299 for them.
Medicare services, 20241,754
Medicare patients194
Paid by Medicare$122,299
Procedure codes4
Dr. Tilahun's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0992024: 1,73958%
- Other services
- 2023: 02024: 15
Where Dr. Tilahun's Medicare services took place, 2024
- In an office29817%
- In a facility1,45683%
Dr. Tilahun compared with the Illinois median for internists, 2024
- Dr. Tilahun
- Illinois median
- Medicare services
- 1,754vs 5663.1 times
- Medicare patients
- 194vs 2087% below
- Part D claims
- 2,835vs 28410.0 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Tilahun's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tilahun and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ermias Tilahun treated 194 Medicare patients in 2024, average age 81
CMS counts 194 Medicare patients who saw Dr. Tilahun in 2024. The largest group is 85 and over, with 74 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 1.91, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Tilahun's median patient age at 71, with 56% women.
Medicare patients, 2024194
Average age81
Average risk score1.91
Also on Medicaid38%
Dr. Tilahun's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tilahun's Medicare patients by sex, 2024
- Women12162%
- Men7338%
Chronic conditions among Dr. Tilahun's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis63%
- Diabetes42%
- Mood disorders40%
- Ischemic heart disease36%
- Depression35%
- Heart failure35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tilahun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ermias Tilahun wrote 3,272 Medicare Part D claims in 2024
In 2024, Dr. Tilahun wrote 3,272 Medicare Part D claims for 151 patients. 84% of them were for generic drugs. CMS names the drug for 2,835 of them, across 75 drugs with 11 or more claims each, at $205,843 in total drug cost. In 2023, CMS named 2,507 claims across 73 drugs.
Part D claims, 20243,272
Drugs named by CMS75
Total drug cost$205,843
Part D patients151
Dr. Tilahun's Part D claims by kind of drug, 2024
- Generic2,760 claims84%
- Brand-name482 claims15%
- Other30 claims1%
Dr. Tilahun's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Tilahun's Part D claims, 2024
- Opioids2%64 of 3,272 claims
- Antibiotics3%98 of 3,272 claims
- Antipsychotics, patients 65 and over1%20 of 3,272 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,5072024: 2,83513%
Drugs named by CMS: 75 in 2024, 73 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ermias Tilahun takes part in Medicare
Dr. Tilahun accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ermias Tilahun has 5 publications on record
Dmand AI links 5 papers to Dr. Tilahun, published from 2014 to 2022. The most frequent topics are Algorithms, Benchmarking and Ligands. Dr. Tilahun's most frequent co-authors are Bradford Gessner, MD, Raul E. Isturiz, MD and Anthony Pera Merza, MD.
Papers5
Years published2014 to 2022
Dr. Tilahun's papers by year, 2014 to 2022
Topics Dr. Tilahun writes about most
- Algorithms
- Benchmarking
- Ligands
- Patient Discharge
Dr. Tilahun's most frequent co-authors
- Bradford Gessner, MD1 shared paper
- Raul E. Isturiz, MD1 shared paper
- Anthony Pera Merza, MD1 shared paper
Recent publications by Dr. Tilahun
Am J Manag Care
Health Care CostsHospitalsPatient Discharge
J Chem Inf Model
AlgorithmsBenchmarkingDatabases, Chemical
AlgorithmsArea Under CurveBenchmarking
Acute PainAnalgesics, OpioidPain, Postoperative
See who Dr. Tilahun researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tilahun works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ermias Tilahun received $385 in industry payments from 2016 to 2019
CMS Open Payments shows 14 general payments to Dr. Tilahun from 8 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $117.
General payments to Dr. Tilahun by program year, 2016 to 2019
Companies that paid Dr. Tilahun the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ermias Tilahun's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ermias Tilahun
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ermias Tilahun's NPI number?
Dr. Ermias Tilahun's NPI number is 1285628768. It was assigned on September 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Ermias Tilahun?
Dr. Ermias Tilahun is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ermias Tilahun practice?
Dr. Tilahun practices at 2740 W Foster Ave, Chicago, IL 60625. Dr. Tilahun's primary practice is Tilahun & Sirinian Medical Group in Chicago, Illinois. Dmand AI also links Dr. Tilahun to 2 hospitals, 4 skilled nursing facilities, 1 group practice or clinic and 1 home health agency.
What is Dr. Ermias Tilahun's office phone number?
The practice phone on file for Dr. Tilahun is (773) 907-3550.
What is Dr. Ermias Tilahun's medical license number?
Dr. Tilahun holds Illinois license 036-094888.
Which hospitals is Dr. Ermias Tilahun affiliated with?
Dr. Tilahun is affiliated with Swedish Hospital. Dmand AI links Dr. Tilahun to 2 more hospitals.
What medical group is Dr. Ermias Tilahun part of?
Dr. Tilahun is linked to Tilahun & Sirinian Medical Group.
Does Dr. Ermias Tilahun accept Medicare?
Yes. CMS data shows Dr. Tilahun billed Medicare for 1,754 services in 2024, and Dr. Tilahun accepts Medicare assignment.
How many Medicare patients does Dr. Ermias Tilahun see?
CMS counts 194 Medicare patients who saw Dr. Tilahun in 2024, with an average age of 81.
What services does Dr. Ermias Tilahun bill to Medicare?
In 2024, Dr. Tilahun's most billed Medicare services were nursing facility care (99308), office visit, established patient (99214) and nursing facility care (99305).
Show 5 more questionsShow fewer questions
What drugs does Dr. Ermias Tilahun prescribe most?
In 2024 Medicare Part D data, Dr. Tilahun's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Metformin HCl.
Has Dr. Ermias Tilahun received payments from drug or device companies?
CMS Open Payments shows $385 in general payments to Dr. Tilahun from 8 companies from 2016 to 2019. The largest total came from Novo Nordisk Inc.
How long has Dr. Ermias Tilahun been practicing?
Dr. Tilahun graduated from medical school in 1985, 41 years ago.
Does Dr. Ermias Tilahun do research?
Dmand AI links 5 publications to Dr. Tilahun, published from 2014 to 2022.
Who does Dr. Ermias Tilahun publish with?
Dr. Tilahun's most frequent co-authors are Bradford Gessner, MD (1 shared paper), Raul E. Isturiz, MD (1 shared paper) and Anthony Pera Merza, MD (1 shared paper).
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