Dr. Yunus Emre Demirhan, MD
- Medicare services, 2024
- 196
- Medicare patients, 2024
- 203
- Part D claims, 2024
- 69
- Hospital affiliations
- 2
- Industry payments
- $467
- Practice address
- 615 New Ballas Road, Saint Louis, MO 63141
- Practice phone
- Call (314) 251-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Demirhan'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. Yunus Emre Demirhan is an internist in Saint Louis, Missouri
Dr. Demirhan practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Dr. Demirhan's NPI, 1558947440, was assigned on March 22, 2021. Dr. Demirhan holds Massachusetts license 1018914.
- NPI
- 1558947440NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557702834
- NPI enumeration date
- March 22, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 251-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Yunus Emre Demirhan practices at Mercy Hospital St. Louis in Saint Louis, Missouri
Dr. Demirhan's primary practice is Mercy Hospital St. Louis, at 615 New Ballas Road, Saint Louis, MO 63141 in St. Louis County. The practice phone is (314) 251-6000.
- Mercy Hospital St. Louis615 New Ballas Road, Saint Louis, MO 63141 · St. Louis CountyPhone(314) 251-6000
Source: Dmand AI Affiliation Data
Dr. Yunus Emre Demirhan is affiliated with 4 sites of care and 3 medical groups
Dr. Demirhan's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dr. Demirhan is also affiliated with Mercy Hospital Washington. The medical group on file is Mercy Clinic East Communities. Dmand AI also links Dr. Demirhan to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Yunus Emre Demirhan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Demirhan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital St. Louis | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mercy and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Yunus Emre Demirhan is one of 2,114 internists in Missouri
Internal medicine is Dr. Demirhan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Demirhan is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Demirhan
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. Yunus Emre Demirhan billed Medicare for 196 services in 2024
CMS data shows 196 Medicare services from Dr. Demirhan across 3 procedure codes in 2024, for 203 Medicare patients. Medicare paid $23,366 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Demirhan compared with the Missouri median for internists, 2024
- Dr. Demirhan
- Missouri median
- Medicare services
- 196vs 53063% below
- Medicare patients
- 203vs 211Close to median
- Part D claims
- 46vs 32586% below
Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.
Dr. Demirhan'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.
Need commercial claims for Dr. Demirhan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Demirhan and other internists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Yunus Emre Demirhan treated 203 Medicare patients in 2024, average age 76
CMS counts 203 Medicare patients who saw Dr. Demirhan in 2024. The largest group is 75 to 84, with 72 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 36% are also on Medicaid. Their average risk score is 2.38, 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. Demirhan's median patient age at 62, with 41% women.
Dr. Demirhan's Medicare patients by age, 2024
Dr. Demirhan's Medicare patients by sex, 2024
- Women9748%
- Men10652%
Chronic conditions among Dr. Demirhan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure59%
- Ischemic heart disease57%
- Chronic kidney disease55%
- Arthritis51%
- Diabetes49%
- Anxiety48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Demirhan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women41%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Yunus Emre Demirhan wrote 69 Medicare Part D claims in 2024
In 2024, Dr. Demirhan wrote 69 Medicare Part D claims for 25 patients. 91% of them were for generic drugs. CMS names the drug for 46 of them, across 3 drugs with 11 or more claims each, at $635 in total drug cost.
Dr. Demirhan's Part D claims by kind of drug, 2024
- Generic63 claims91%
- Brand-name and other6 claims9%
Dr. Demirhan's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Yunus Emre Demirhan takes part in Medicare
Dr. Demirhan 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Yunus Emre Demirhan received $467 in industry payments in 2025
CMS Open Payments shows 24 general payments to Dr. Demirhan from 13 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $108.
Companies that paid Dr. Demirhan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Yunus Emre Demirhan'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| 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. Yunus Emre Demirhan
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. Yunus Emre Demirhan's NPI number?
Dr. Yunus Emre Demirhan's NPI number is 1558947440. It was assigned on March 22, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Yunus Emre Demirhan?
Dr. Yunus Emre Demirhan is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Yunus Emre Demirhan practice?
Dr. Demirhan practices at 615 New Ballas Road, Saint Louis, MO 63141. Dr. Demirhan's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dmand AI also links Dr. Demirhan to 2 group practices and clinics and 2 medical groups.
What is Dr. Yunus Emre Demirhan's office phone number?
The practice phone on file for Dr. Demirhan is (314) 251-6000.
What is Dr. Yunus Emre Demirhan's medical license number?
Dr. Demirhan holds Massachusetts license 1018914.
Which hospitals is Dr. Yunus Emre Demirhan affiliated with?
Dr. Demirhan practices at Mercy Hospital St. Louis in Saint Louis, Missouri. Dr. Demirhan is also affiliated with Mercy Hospital Washington.
What medical group is Dr. Yunus Emre Demirhan part of?
Dr. Demirhan is linked to Mercy Clinic East Communities. Dmand AI links Dr. Demirhan to 2 more medical groups.
Does Dr. Yunus Emre Demirhan accept Medicare?
Yes. CMS data shows Dr. Demirhan billed Medicare for 196 services in 2024, and Dr. Demirhan accepts Medicare assignment.
How many Medicare patients does Dr. Yunus Emre Demirhan see?
CMS counts 203 Medicare patients who saw Dr. Demirhan in 2024, with an average age of 76.
What services does Dr. Yunus Emre Demirhan bill to Medicare?
In 2024, Dr. Demirhan's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99222) and hospital inpatient care (99233).
Show 3 more questionsShow fewer questions
What drugs does Dr. Yunus Emre Demirhan prescribe most?
In 2023 Medicare Part D data, Dr. Demirhan's most prescribed drugs by claims were Atorvastatin Calcium, Metformin HCl and Lisinopril.
Has Dr. Yunus Emre Demirhan received payments from drug or device companies?
CMS Open Payments shows $467 in general payments to Dr. Demirhan from 13 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Yunus Emre Demirhan been practicing?
Dr. Demirhan graduated from medical school in 2020, 6 years ago.
Selling to internal medicine practices?
See internists in Missouri by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card