Dr. Leo I. Gordon, MD
- Medicare services, 2024
- 8,611
- Medicare patients, 2024
- 519
- Part D claims, 2024
- 204
- Publications
- 258
- Clinical trials
- 6
- Practice address
- 675 N Saint Clair St Ste 19-100 Suite 19-100, Chicago, IL 60611
- Practice phone
- Call (312) 664-3278
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Medical Group
Multi-specialty group site · Chicago, Illinois
Find Dr. Gordon'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. Leo I. Gordon is a hematologist and oncologist in Chicago, Illinois
Dr. Gordon practices at Northwestern Medical Group in Chicago, Illinois.
Dr. Gordon's NPI, 1821028499, was assigned on July 3, 2006. Dr. Gordon graduated from University Of Cincinnati College Of Medicine in 1973. Dr. Gordon holds Illinois license 036050052.
- NPI
- 1821028499NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092700484
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (312) 664-3278
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leo I. Gordon practices at Northwestern Medical Group in Chicago, Illinois
Dr. Gordon's primary practice is Northwestern Medical Group, at 675 N Saint Clair St Ste 19-100 Suite 19-100, Chicago, IL 60611. The practice phone is (312) 664-3278.
- Northwestern Medical Group675 N Saint Clair St Ste 19-100 Suite 19-100, Chicago, IL 60611Phone(312) 664-3278
Source: Dmand AI Affiliation Data
Dr. Leo I. Gordon is affiliated with 5 sites of care and 2 medical groups
Dr. Gordon's primary practice is Northwestern Medical Group in Chicago, Illinois. Dr. Gordon is also affiliated with Northwestern Memorial Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Gordon to 2 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Leo I. Gordon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gordon practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medical Group | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leo I. Gordon is one of 563 hematologists and oncologists in Illinois
Hematology and oncology is Dr. Gordon's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Gordon is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Gordon's licenses on file in 2 states: Illinois and Minnesota.
Specialties and state licenses
- Hematology and oncology, IllinoisPrimary
- Minnesota license
Clinical focus
Dmand AI lists chronic anemia, chronic leukemia, immune deficiency disease, lymphoma and multiple myeloma among the conditions Dr. Gordon treats.
Hematologists and oncologists near Dr. Gordon
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. Leo I. Gordon billed Medicare for 8,611 services in 2024
CMS data shows 8,611 Medicare services from Dr. Gordon across 21 procedure codes in 2024, for 519 Medicare patients. Medicare paid $297,530 for them.
Dr. Gordon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 41,0412024: 6,92383%
- Office and hospital visits
- 2023: 1,0252024: 9666%
- Other services
- 2023: 1,1052024: 42761%
- Tests and treatments
- 2023: 9052024: 27969%
- Surgery
- 2023: 492024: 1667%
Where Dr. Gordon's Medicare services took place, 2024
- In an office8,42798%
- In a facility1842%
Dr. Gordon compared with the Illinois median for hematologists and oncologists, 2024
- Dr. Gordon
- Illinois median
- Medicare services
- 8,611vs 1,0568.2 times
- Medicare patients
- 519vs 28284% above
- Part D claims
- 120vs 32863% below
Medians across 547 hematologists and oncologists in Illinois with Dmand AI profiles that report each measure.
Dr. Gordon'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. Gordon?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gordon and other hematologists and oncologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leo I. Gordon treated 519 Medicare patients in 2024, average age 75
CMS counts 519 Medicare patients who saw Dr. Gordon in 2024. The largest group is 65 to 74, with 235 patients. 69% of them have high cholesterol, and 66% have high blood pressure. 9% are also on Medicaid. Their average risk score is 2.21, 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. Gordon's median patient age at 73, with 46% women.
Dr. Gordon's Medicare patients by age, 2024
Dr. Gordon's Medicare patients by sex, 2024
- Women24046%
- Men27954%
Chronic conditions among Dr. Gordon's Medicare patients, 2024
- High cholesterol69%
- High blood pressure66%
- Arthritis39%
- Ischemic heart disease30%
- Chronic kidney disease25%
- Cancer24%
- Anxiety23%
- Osteoporosis23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gordon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leo I. Gordon wrote 204 Medicare Part D claims in 2024
In 2024, Dr. Gordon wrote 204 Medicare Part D claims for 56 patients. 55% of them were for generic drugs. CMS names the drug for 120 of them, across 5 drugs with 11 or more claims each, at $922,906 in total drug cost. In 2023, CMS named 83 claims across 2 drugs.
Dr. Gordon's Part D claims by kind of drug, 2024
- Generic112 claims55%
- Brand-name92 claims45%
Dr. Gordon'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. Gordon's Part D claims, 2024
- Antibiotics15%30 of 204 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: 832024: 12045%
Drugs named by CMS: 5 in 2024, 2 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
Dr. Leo I. Gordon scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Gordon for performance year 2024, reported through an alternative payment model (APM). Dr. Gordon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gordon as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Gordon's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Leo I. Gordon has 258 publications on record
Dmand AI links 258 papers to Dr. Gordon, published from 2004 to 2025. 2016 was the busiest year, with 11. The most frequent topics are Antineoplastic Combined Chemotherapy Protocols, Lymphoma, Non-Hodgkin and Lymphoma, Large B-Cell, Diffuse. Dr. Gordon has published most often in Leuk Lymphoma. Dr. Gordon's most frequent co-authors are Leo Gordon, MD, Jane N. Winter, MD and Reem Md Karmali, MD.
Dr. Gordon's papers by year, 2016 to 2025
Topics Dr. Gordon writes about most
- Antineoplastic Combined Chemotherapy Protocols
- Lymphoma, Non-Hodgkin
- Lymphoma, Large B-Cell, Diffuse
- Antineoplastic Agents
- Hematopoietic Stem Cell Transplantation
- Hodgkin Disease
- Lymphoma, Follicular
- Rituximab
Dr. Gordon's most frequent co-authors
Recent publications by Dr. Gordon
Proc Natl Acad Sci U S A
See who Dr. Gordon researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gordon works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Leo I. Gordon has worked on 6 clinical trials
Dmand AI links Dr. Gordon to 6 clinical trials, 3 of them phase 1/2 studies. Conditions studied include Lymphoma, Burkitt Lymphoma and Hodgkin Disease. Northwestern University sponsors the most, 5.
Clinical trials with Dr. Gordon by phase
- 1Phase 1: 1 trial
- 3Phase 1/2: 3 trials
- 2Phase 2: 2 trials
- NonePhase 3: no trials
- NonePhase 4: no trials
Conditions in Dr. Gordon's trials
- Lymphoma
- Burkitt Lymphoma
- Hodgkin Disease
- Leukemia, Large Granular Lymphocytic
- Lymphoma, Mantle-Cell
Investigators on the most trials with Dr. Gordon
- Andrew M. Evens, DO, MS3 shared trials
- Ranjana Advani, MD1 shared trial
- Tina M. Albertson, MD1 shared trial
Recent clinical trials with Dr. Gordon
Study Evaluating the Safety and Pharmacokinetics of JCAR017 in B-cell Non-Hodgkin Lymphoma (TRANSCEND-NHL-001) (opens in a new tab)
Brentuximab Vedotin + Rituximab as Frontline Therapy for Pts w/ CD30+ and/or EBV+ Lymphomas (opens in a new tab)
Brentuximab Vedotin and Combination Chemotherapy in Treating Older Patients With Previously Untreated Stage II-IV Hodgkin Lymphoma (opens in a new tab)
A Phase I/II Trial of VELCADE & Gemcitabine for Patients With Relapsed or Refractory Aggressive B- and T-cell Non-Hodgkin's Lymphoma (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Leo I. Gordon received $59,875 in industry payments from 2016 to 2024
CMS Open Payments shows 66 general payments to Dr. Gordon from 16 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 84% of the total. Celgene Corporation paid the most, $11,050.
General payments to Dr. Gordon by program year, 2016 to 2024
General payments to Dr. Gordon by kind, 2016 to 2024
- Consulting fees$50,04784%
- Food and beverage$4,2207%
- Honoraria$3,1155%
- Travel and lodging$2,4894%
- Education$50%
Companies that paid Dr. Gordon the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leo I. Gordon has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Gordon, most recently Checkbook Top Doc in 2011.
Awards and honors for Dr. Gordon
- 2011
- Checkbook Top Doc
- 2007
- ACP Fellow
- Undated
- CMS Stage 1 2012
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Leo I. Gordon graduated from University Of Cincinnati College Of Medicine
Dr. Gordon graduated from University Of Cincinnati College Of Medicine in 1973. Dr. Gordon is a member of ACP.
- Medical school
- Board certified in hematology
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Leo I. Gordon accepts plans from 16 insurance carriers
Dr. Gordon is in network with 16 carriers, including Aetna, HCSC and Cigna. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- HCSC
- Cigna
- United Healthcare
- Elevance
- Humana
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- +8 more carriersWith a free account
Plan types Dr. Gordon accepts, by number of carriers
- PPO11
- HMO9
- Medicare8
- POS5
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Leo I. Gordon'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 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)Clinician Public Reporting: Overall MIPS Performance (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. Leo I. Gordon
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. Leo I. Gordon's NPI number?
Dr. Leo I. Gordon's NPI number is 1821028499. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Leo I. Gordon?
Dr. Leo I. Gordon is a hematologist and oncologist in Chicago, Illinois. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Leo I. Gordon practice?
Dr. Gordon practices at 675 N Saint Clair St Ste 19-100 Suite 19-100, Chicago, IL 60611. Dr. Gordon's primary practice is Northwestern Medical Group in Chicago, Illinois. Dmand AI also links Dr. Gordon to 2 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Leo I. Gordon's office phone number?
The practice phone on file for Dr. Gordon is (312) 664-3278.
What is Dr. Leo I. Gordon's medical license number?
Dr. Gordon holds Illinois license 036050052, one of the licenses on file in 2 states.
Which states has Dr. Leo I. Gordon been licensed in?
Dmand AI has state licenses on file for Dr. Gordon in Illinois (1974 to 2026) and Minnesota (1976 to 1978).
Which hospitals is Dr. Leo I. Gordon affiliated with?
Dr. Gordon is affiliated with Northwestern Memorial Hospital. Dmand AI links Dr. Gordon to 2 more hospitals.
What medical group is Dr. Leo I. Gordon part of?
Dr. Gordon is linked to Northwestern Medical Faculty Foundation. Dmand AI links Dr. Gordon to 1 more medical group.
Does Dr. Leo I. Gordon accept Medicare?
Yes. CMS data shows Dr. Gordon billed Medicare for 8,611 services in 2024, and Dr. Gordon accepts Medicare assignment.
Does Dr. Leo I. Gordon offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gordon as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Dr. Leo I. Gordon's MIPS score?
Dr. Gordon's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Leo I. Gordon see?
CMS counts 519 Medicare patients who saw Dr. Gordon in 2024, with an average age of 75.
Is Dr. Leo I. Gordon board certified?
Yes. Dr. Gordon is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. Leo I. Gordon bill to Medicare?
In 2024, Dr. Gordon's most billed Medicare services were injected or infused drug (J9144), injected or infused drug (J2919) and injected or infused drug (J1569).
Where did Dr. Leo I. Gordon go to medical school?
Dr. Gordon graduated from University Of Cincinnati College Of Medicine in 1973.
What drugs does Dr. Leo I. Gordon prescribe most?
In 2024 Medicare Part D data, Dr. Gordon's most prescribed drugs by claims were Acyclovir, Brukinsa and Sulfamethoxazole-Trimethoprim.
Has Dr. Leo I. Gordon received payments from drug or device companies?
CMS Open Payments shows $59,875 in general payments to Dr. Gordon from 16 companies from 2016 to 2024. The largest total came from Celgene Corporation.
How long has Dr. Leo I. Gordon been practicing?
Dr. Gordon graduated from medical school in 1973, 53 years ago.
Does Dr. Leo I. Gordon do research?
Dmand AI links 258 publications to Dr. Gordon, published from 2004 to 2025. Dr. Gordon has worked on 6 clinical trials.
Who does Dr. Leo I. Gordon publish with?
Dr. Gordon's most frequent co-authors are Leo Gordon, MD (97 shared papers), Jane N. Winter, MD (53 shared papers) and Reem Md Karmali, MD (34 shared papers).
What insurance does Dr. Leo I. Gordon accept?
Dr. Gordon is in network with 16 carriers, including Aetna, HCSC and Cigna. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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