Dr. Omer N. Koc, MD

  • Cleveland, OH
  • Hematologist and oncologist
NPI1588629059PAC ID7911941489
Medicare services, 2024
1,623
Medicare patients, 2024
536
Part D claims, 2024
1,944
Publications
25
Clinical trials
4
Practice address
9500 Euclid Avenue, Cleveland, OH 44195
Practice phone
Call (216) 952-9829
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Cleveland Clinic Main Campus

Hospital · Cleveland, Ohio

See all 8 affiliations

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Dr. Omer N. Koc is a hematologist and oncologist in Cleveland, Ohio

Dr. Koc practices at Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation.

Dr. Koc's NPI, 1588629059, was assigned on April 19, 2006. Dr. Koc graduated from Istanbul University Fom in 1987. Dr. Koc holds Ohio license 35062252.

NPI and contact details
Medicare PAC ID
7911941489
NPI enumeration date
April 19, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(216) 952-9829
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
65
Medical school graduation
1987

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Omer N. Koc practices at Cleveland Clinic Main Campus in Cleveland, Ohio

Dr. Koc's primary practice is Cleveland Clinic Main Campus, at 9500 Euclid Avenue, Cleveland, OH 44195 in Cuyahoga County. The practice phone is (216) 952-9829.

Source: Dmand AI Affiliation Data

Dr. Omer N. Koc is affiliated with 7 sites of care and 1 medical group

Dr. Koc's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dr. Koc is also affiliated with Cleveland Clinic Akron General. The medical group on file is Cleveland Clinic. Dmand AI also links Dr. Koc to 3 more hospitals and 2 clinical labs, each named with a free account. Dr. Koc's employer is on file too: a hospital.

See all 8 affiliations for Dr. Koc

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Omer N. Koc's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koc practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cleveland Clinic Main CampusAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Omer N. Koc is one of 460 hematologists and oncologists in Ohio

Hematology and oncology is Dr. Koc's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Koc is board certified in hematology by the American Board of Internal Medicine. Dr. Koc is licensed in Ohio.

Specialties and state licenses

  • Hematology and oncology, OhioPrimaryLicense 35062252 · 1991 to 2026 · taxonomy 207RH0003X

Clinical focus

Dmand AI lists breast cancer, chronic anemia, chronic leukemia, colorectal cancer, deep vein thrombosis (DVT), immune deficiency disease, lung cancer and lymphoma among the conditions Dr. Koc treats.

Hematologists and oncologists near Dr. Koc

Counts of hematologists and oncologists 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. Omer N. Koc billed Medicare for 1,623 services in 2024

CMS data shows 1,623 Medicare services from Dr. Koc across 9 procedure codes in 2024, for 536 Medicare patients. Medicare paid $75,157 for them.

Medicare services, 20241,623
Medicare patients536
Paid by Medicare$75,157
Procedure codes9

Dr. Koc's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,0852024: 9938%
Other services
2023: 02024: 630
Surgery
2023: 122024: 0100%

Where Dr. Koc's Medicare services took place, 2024

  • In an office1,36284%
  • In a facility26116%

Dr. Koc compared with the Ohio median for hematologists and oncologists, 2024

  • Dr. Koc
  • Ohio median
Medicare services
1,623vs 6262.6 times
Medicare patients
536vs 2342.3 times
Part D claims
1,510vs 4783.2 times

Medians across 452 hematologists and oncologists in Ohio with Dmand AI profiles that report each measure.

Dr. Koc'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.

See all procedures by Dr. Koc

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Omer N. Koc treated 536 Medicare patients in 2024, average age 77

CMS counts 536 Medicare patients who saw Dr. Koc in 2024. The largest group is 75 to 84, with 244 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.88, 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. Koc's median patient age at 71, with 63% women.

Medicare patients, 2024536
Average age77
Average risk score1.88
Also on Medicaid5%

Dr. Koc's Medicare patients by age, 2024

Dr. Koc's Medicare patients by sex, 2024

  • Women31258%
  • Men22442%

Chronic conditions among Dr. Koc's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis56%
  4. Chronic kidney disease39%
  5. Cancer37%
  6. Ischemic heart disease30%
  7. Mood disorders29%
  8. Diabetes28%

Share of Medicare patients with each condition. A patient can have several.

Dr. Koc'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

  • Women63%
  • Men36%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Omer N. Koc wrote 1,944 Medicare Part D claims in 2024

In 2024, Dr. Koc wrote 1,944 Medicare Part D claims for 323 patients. 63% of them were for generic drugs. CMS names the drug for 1,510 of them, across 39 drugs with 11 or more claims each, at $7,777,245 in total drug cost. In 2023, CMS named 1,374 claims across 41 drugs.

Part D claims, 20241,944
Drugs named by CMS39
Total drug cost$7.8M
Part D patients323

Dr. Koc's Part D claims by kind of drug, 2024

  • Generic1,219 claims63%
  • Brand-name and other725 claims37%

Dr. Koc'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. Koc's Part D claims, 2024

  • Antibiotics4%71 of 1,944 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: 1,3742024: 1,51010%

Drugs named by CMS: 39 in 2024, 41 in 2023.

See all prescribing by Dr. Koc

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

Dr. Omer N. Koc offers telehealth to Medicare patients

Dr. Koc accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Koc as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Omer N. Koc has 25 publications on record

Dmand AI links 25 papers to Dr. Koc, published from 2007 to 2024. 2024 was the busiest year, with 2. The most frequent topics are Hematopoietic Stem Cell Transplantation, Antineoplastic Combined Chemotherapy Protocols and Histocompatibility Testing. Dr. Koc has published most often in Biol Blood Marrow Transplant. Dr. Koc's most frequent co-authors are Paolo F. Caimi, MD, Brenda W. Cooper, MD and Robert M. Dean, MD.

Papers25
Years published2007 to 2024

Dr. Koc's papers by year, 2007 to 2024

Topics Dr. Koc writes about most

  • Hematopoietic Stem Cell Transplantation
  • Antineoplastic Combined Chemotherapy Protocols
  • Histocompatibility Testing
  • Antigens, CD34
  • Drug Resistance, Neoplasm
  • Fetal Blood
  • Flow Cytometry
  • Graft Survival

Dr. Koc's most frequent co-authors

Recent publications by Dr. Koc

See all 25 publications and co-authors

See who Dr. Koc researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Koc works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Omer N. Koc has worked on 4 clinical trials

Dmand AI links Dr. Koc to 4 clinical trials, 2 of them phase 2 studies. Conditions studied include Lymphoma, Large B-Cell, Diffuse, Lymphoma, B-Cell and Leukemia, Large Granular Lymphocytic. Case Comprehensive Cancer Center sponsors the most, 4.

Clinical trials with Dr. Koc by phase

  1. 1Phase 1: 1 trial
  2. 2Phase 2: 2 trials
  3. NonePhase 3: no trials
  4. NonePhase 4: no trials

Conditions in Dr. Koc's trials

  • Lymphoma, Large B-Cell, Diffuse
  • Lymphoma, B-Cell
  • Leukemia, Large Granular Lymphocytic
  • Lymphoma, Large-Cell, Immunoblastic
  • Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative

Recent clinical trials with Dr. Koc

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Omer N. Koc received $276 in industry payments from 2021 to 2025

CMS Open Payments shows 3 general payments to Dr. Koc from 3 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 96% of the total. BeiGene, Ltd. paid the most, $139.

General payments to Dr. Koc by program year, 2021 to 2025

General payments to Dr. Koc by kind, 2021 to 2025

$276in total
  • Food and beverage$26496%
  • Education$124%

Companies that paid Dr. Koc the most, 2021 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Koc

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Omer N. Koc has 1 award and honors on record

Dmand AI lists 1 award for Dr. Koc, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Koc

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Omer N. Koc graduated from Istanbul University Fom

Dr. Koc graduated from Istanbul University Fom in 1987. Dr. Koc is a member of ASCO.

  1. Medical schoolIstanbul University Fom
  2. Board certified in hematologyAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Omer N. Koc accepts plans from 20 insurance carriers

Dr. Koc is in network with 20 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 13. Check the plan with the practice before a visit.

Plan types Dr. Koc accepts, by number of carriers

  1. Medicare13
  2. PPO13
  3. HMO11
  4. POS6
  5. EPO5
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Omer N. Koc's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Omer N. Koc

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. Omer N. Koc's NPI number?

Dr. Omer N. Koc's NPI number is 1588629059. It was assigned on April 19, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Omer N. Koc?

Dr. Omer N. Koc is a hematologist and oncologist in Cleveland, Ohio. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Omer N. Koc practice?

Dr. Koc practices at 9500 Euclid Avenue, Cleveland, OH 44195. Dr. Koc's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dmand AI also links Dr. Koc to 3 hospitals and 2 clinical labs.

What is Dr. Omer N. Koc's office phone number?

The practice phone on file for Dr. Koc is (216) 952-9829.

What is Dr. Omer N. Koc's medical license number?

Dr. Koc holds Ohio license 35062252.

Which hospitals is Dr. Omer N. Koc affiliated with?

Dr. Koc practices at Cleveland Clinic Main Campus in Cleveland, Ohio. Dr. Koc is also affiliated with Cleveland Clinic Akron General. Dmand AI links Dr. Koc to 3 more hospitals.

What medical group is Dr. Omer N. Koc part of?

Dr. Koc is linked to Cleveland Clinic.

Does Dr. Omer N. Koc accept Medicare?

Yes. CMS data shows Dr. Koc billed Medicare for 1,623 services in 2024, and Dr. Koc accepts Medicare assignment.

Does Dr. Omer N. Koc offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Koc as offering telehealth services.

How many Medicare patients does Dr. Omer N. Koc see?

CMS counts 536 Medicare patients who saw Dr. Koc in 2024, with an average age of 77.

Show 9 more questionsShow fewer questions

Is Dr. Omer N. Koc board certified?

Yes. Dr. Koc is board certified in hematology by the American Board of Internal Medicine.

What services does Dr. Omer N. Koc bill to Medicare?

In 2024, Dr. Koc's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and hospital inpatient care (99233).

Where did Dr. Omer N. Koc go to medical school?

Dr. Koc graduated from Istanbul University Fom in 1987.

What drugs does Dr. Omer N. Koc prescribe most?

In 2024 Medicare Part D data, Dr. Koc's most prescribed drugs by claims were Acyclovir, Calquence and Brukinsa.

Has Dr. Omer N. Koc received payments from drug or device companies?

CMS Open Payments shows $276 in general payments to Dr. Koc from 3 companies from 2021 to 2025. The largest total came from BeiGene, Ltd.

How long has Dr. Omer N. Koc been practicing?

Dr. Koc graduated from medical school in 1987, 39 years ago.

Does Dr. Omer N. Koc do research?

Dmand AI links 25 publications to Dr. Koc, published from 2007 to 2024. Dr. Koc has worked on 4 clinical trials.

Who does Dr. Omer N. Koc publish with?

Dr. Koc's most frequent co-authors are Paolo F. Caimi, MD (2 shared papers), Brenda W. Cooper, MD (2 shared papers) and Robert M. Dean, MD (2 shared papers).

What insurance does Dr. Omer N. Koc accept?

Dr. Koc is in network with 20 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 13. Check the plan with the practice before a visit.

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