Dr. Gerald Marc Segal, MD
- Medicare services, 2024
- 29,875
- Medicare patients, 2024
- 242
- Part D claims, 2024
- 1,313
- Hospital affiliations
- 2
- Industry payments
- $216
- Practice address
- 265 N Broadway, Portland, OR 97227
- Practice phone
- Call (360) 597-1300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Compass Oncology
Portland, Oregon
Find Dr. Segal'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. Gerald Marc Segal is a hematologist and oncologist in Portland, Oregon
Dr. Segal practices at Compass Oncology in Portland, Oregon.
Dr. Segal's NPI, 1942203534, was assigned on May 27, 2005. Dr. Segal graduated from Northwestern University Feinberg Medical School in 1979. Dr. Segal holds Oregon license MD14774.
- NPI
- 1942203534NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365585536
- NPI enumeration date
- May 27, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (360) 597-1300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gerald Marc Segal practices at Compass Oncology in Portland, Oregon
Dr. Segal's primary practice is Compass Oncology, at 265 N Broadway, Portland, OR 97227 in Multnomah County. The practice phone is (360) 597-1300.
- Compass Oncology265 N Broadway, Portland, OR 97227 · Multnomah CountyPhone(360) 597-1300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gerald Marc Segal is affiliated with 4 sites of care and 1 medical group
Dr. Segal's primary practice is Compass Oncology in Portland, Oregon. Dr. Segal is also affiliated with Legacy Good Samaritan Medical Center. The medical group on file is Compass Oncology. Dmand AI also links Dr. Segal to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gerald Marc Segal's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Segal practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Compass Oncology | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gerald Marc Segal is one of 118 hematologists and oncologists in Oregon
Hematology and oncology is Dr. Segal's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Segal is licensed in Oregon.
Specialties and state licenses
- Hematology and oncology, OregonPrimary
Hematologists and oncologists near Dr. Segal
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. Gerald Marc Segal billed Medicare for 29,875 services in 2024
CMS data shows 29,875 Medicare services from Dr. Segal across 32 procedure codes in 2024, for 242 Medicare patients. Medicare paid $540,592 for them. Every service was in an office.
Dr. Segal's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 9,8502024: 13,23934%
- Drugs given in the office
- 2023: 26,9742024: 10,73660%
- Lab and pathology
- 2023: 3,7152024: 4,0519%
- Office and hospital visits
- 2023: 6952024: 6842%
- Surgery
- 2023: 7152024: 6667%
- Tests and treatments
- 2023: 5592024: 49911%
Dr. Segal compared with the Oregon median for hematologists and oncologists, 2024
- Dr. Segal
- Oregon median
- Medicare services
- 29,875vs 1,33122.4 times
- Medicare patients
- 242vs 2669% below
- Part D claims
- 1,039vs 72643% above
Medians across 122 hematologists and oncologists in Oregon with Dmand AI profiles that report each measure.
Dr. Segal'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. Segal and other hematologists and oncologists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gerald Marc Segal treated 242 Medicare patients in 2024, average age 74
CMS counts 242 Medicare patients who saw Dr. Segal in 2024. The largest group is 65 to 74, with 117 patients. 62% of them have high blood pressure, and 56% have high cholesterol. 9% are also on Medicaid. Their average risk score is 2.27, 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. Segal's median patient age at 67, with 61% women.
Dr. Segal's Medicare patients by age, 2024
Dr. Segal's Medicare patients by sex, 2024
- Women14259%
- Men10041%
Chronic conditions among Dr. Segal's Medicare patients, 2024
- High blood pressure62%
- High cholesterol56%
- Arthritis44%
- Cancer31%
- Mood disorders30%
- Chronic kidney disease28%
- Depression28%
- Anxiety27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Segal's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gerald Marc Segal wrote 1,313 Medicare Part D claims in 2024
In 2024, Dr. Segal wrote 1,313 Medicare Part D claims for 142 patients. 73% of them were for generic drugs. CMS names the drug for 1,039 of them, across 38 drugs with 11 or more claims each, at $4,032,736 in total drug cost. In 2023, CMS named 1,072 claims across 36 drugs.
Dr. Segal's Part D claims by kind of drug, 2024
- Generic955 claims73%
- Brand-name and other358 claims27%
Dr. Segal'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. Segal's Part D claims, 2024
- Opioids2%31 of 1,313 claims
- Antibiotics4%50 of 1,313 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: 1,0722024: 1,0393%
Drugs named by CMS: 38 in 2024, 36 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. Gerald Marc Segal takes part in Medicare
Dr. Segal 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. Gerald Marc Segal received $216 in industry payments from 2017 to 2021
CMS Open Payments shows 6 general payments to Dr. Segal from 5 drug and device companies from 2017 to 2021. Education make up the largest share, 52% of the total. Astellas Pharma US Inc paid the most, $133.
General payments to Dr. Segal by program year, 2017 to 2021
General payments to Dr. Segal by kind, 2017 to 2021
- Education$11352%
- Food and beverage$10348%
Companies that paid Dr. Segal the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gerald Marc Segal graduated from Northwestern University Feinberg Medical School
Dr. Segal graduated from Northwestern University Feinberg Medical School in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gerald Marc Segal'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Gerald Marc Segal
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. Gerald Marc Segal's NPI number?
Dr. Gerald Marc Segal's NPI number is 1942203534. It was assigned on May 27, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gerald Marc Segal?
Dr. Gerald Marc Segal is a hematologist and oncologist in Portland, Oregon. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Gerald Marc Segal practice?
Dr. Segal practices at 265 N Broadway, Portland, OR 97227. Dr. Segal's primary practice is Compass Oncology in Portland, Oregon. Dmand AI also links Dr. Segal to 1 hospital and 1 group practice or clinic.
What is Dr. Gerald Marc Segal's office phone number?
The practice phone on file for Dr. Segal is (360) 597-1300.
What is Dr. Gerald Marc Segal's medical license number?
Dr. Segal holds Oregon license MD14774.
Which hospitals is Dr. Gerald Marc Segal affiliated with?
Dr. Segal is affiliated with Legacy Good Samaritan Medical Center. Dmand AI links Dr. Segal to 1 more hospital.
What medical group is Dr. Gerald Marc Segal part of?
Dr. Segal is linked to Compass Oncology.
Does Dr. Gerald Marc Segal accept Medicare?
Yes. CMS data shows Dr. Segal billed Medicare for 29,875 services in 2024, and Dr. Segal accepts Medicare assignment.
How many Medicare patients does Dr. Gerald Marc Segal see?
CMS counts 242 Medicare patients who saw Dr. Segal in 2024, with an average age of 74.
What services does Dr. Gerald Marc Segal bill to Medicare?
In 2024, Dr. Segal's most billed Medicare services were medicare temporary code (Q0138), injected or infused drug (J9144) and lab and pathology test (82784).
Show 4 more questionsShow fewer questions
Where did Dr. Gerald Marc Segal go to medical school?
Dr. Segal graduated from Northwestern University Feinberg Medical School in 1979.
What drugs does Dr. Gerald Marc Segal prescribe most?
In 2024 Medicare Part D data, Dr. Segal's most prescribed drugs by claims were Acyclovir, Eliquis and Revlimid.
Has Dr. Gerald Marc Segal received payments from drug or device companies?
CMS Open Payments shows $216 in general payments to Dr. Segal from 5 companies from 2017 to 2021. The largest total came from Astellas Pharma US Inc.
How long has Dr. Gerald Marc Segal been practicing?
Dr. Segal graduated from medical school in 1979, 47 years ago.
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