Dr. Edward Thomas O'Brien, MD
- Medicare services, 2024
- 832
- Medicare patients, 2024
- 287
- Part D claims, 2024
- 1,396
- Hospital affiliations
- 3
- Industry payments
- $1,607
- Practice address
- 75 Medical Park Drive, Lewisburg, PA 17837
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Geisinger Medical Oncology - Lewisburg - HOPD
Acute Care Hospital outpatient department · Lewisburg, Pennsylvania
Find Dr. O'Brien'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. Edward Thomas O'Brien is a medical oncologist in Lewisburg, Pennsylvania
Dr. O'Brien practices at Geisinger Medical Oncology - Lewisburg - HOPD in Lewisburg, Pennsylvania.
Dr. O'Brien's NPI, 1205808276, was assigned on February 3, 2006. Dr. O'Brien graduated from Georgetown University School of Medicine in 1979. Dr. O'Brien holds Pennsylvania license MD024174E.
- NPI
- 1205808276NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860477809
- NPI enumeration date
- February 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Edward Thomas O'Brien practices at Geisinger Medical Oncology - Lewisburg - HOPD in Lewisburg, Pennsylvania
Dr. O'Brien's primary practice is Geisinger Medical Oncology - Lewisburg - HOPD, at 75 Medical Park Drive, Lewisburg, PA 17837.
- Geisinger Medical Oncology - Lewisburg - HOPD75 Medical Park Drive, Lewisburg, PA 17837
Source: Dmand AI Affiliation Data
Dr. Edward Thomas O'Brien is affiliated with 6 sites of care and 2 medical groups
Dr. O'Brien's primary practice is Geisinger Medical Oncology - Lewisburg - HOPD in Lewisburg, Pennsylvania. Dr. O'Brien is also affiliated with WellSpan Evangelical Community Hospital. The medical group on file is Geisinger. Dmand AI also links Dr. O'Brien to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Edward Thomas O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Geisinger Medical Oncology - Lewisburg - HOPD | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Edward Thomas O'Brien is one of 213 medical oncologists in Pennsylvania
Medical oncology is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dmand AI has Dr. O'Brien's licenses on file in 2 states: Pennsylvania and New York.
Specialties and state licenses
- Medical oncology, PennsylvaniaPrimary
- New York license
Medical oncologists near Dr. O'Brien
Counts of medical 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. Edward Thomas O'Brien billed Medicare for 832 services in 2024
CMS data shows 832 Medicare services from Dr. O'Brien across 5 procedure codes in 2024, all of them office visits, for 287 Medicare patients. Medicare paid $54,988 for them. Every service was in an office.
Dr. O'Brien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9392024: 83211%
Dr. O'Brien compared with the Pennsylvania median for medical oncologists, 2024
- Dr. O'Brien
- Pennsylvania median
- Medicare services
- 832vs 3682.3 times
- Medicare patients
- 287vs 14894% above
- Part D claims
- 1,221vs 1926.4 times
Medians across 201 medical oncologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. O'Brien'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. O'Brien and other medical oncologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Edward Thomas O'Brien treated 287 Medicare patients in 2024, average age 74
CMS counts 287 Medicare patients who saw Dr. O'Brien in 2024. The largest group is 65 to 74, with 107 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.95, 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. O'Brien's median patient age at 74, with 46% women.
Dr. O'Brien's Medicare patients by age, 2024
Dr. O'Brien's Medicare patients by sex, 2024
- Women12343%
- Men16457%
Chronic conditions among Dr. O'Brien's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis43%
- Diabetes39%
- Cancer36%
- Chronic kidney disease36%
- Mood disorders32%
- Ischemic heart disease31%
Share of Medicare patients with each condition. A patient can have several.
Dr. O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Edward Thomas O'Brien wrote 1,396 Medicare Part D claims in 2024
In 2024, Dr. O'Brien wrote 1,396 Medicare Part D claims for 207 patients. 85% of them were for generic drugs. CMS names the drug for 1,221 of them, across 23 drugs with 11 or more claims each, at $2,598,832 in total drug cost. In 2023, CMS named 1,010 claims across 28 drugs.
Dr. O'Brien's Part D claims by kind of drug, 2024
- Generic1,186 claims85%
- Brand-name210 claims15%
Dr. O'Brien'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. O'Brien's Part D claims, 2024
- Opioids2%22 of 1,396 claims
- Antibiotics1%17 of 1,396 claims
- Antipsychotics, patients 65 and over4%50 of 1,396 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: 1,0102024: 1,22121%
Drugs named by CMS: 23 in 2024, 28 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. Edward Thomas O'Brien offers telehealth to Medicare patients
Dr. O'Brien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. O'Brien as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Edward Thomas O'Brien received $1,607 in industry payments from 2016 to 2024
CMS Open Payments shows 24 general payments to Dr. O'Brien from 11 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 95% of the total. Bristol-Myers Squibb Company paid the most, $705.
General payments to Dr. O'Brien by program year, 2016 to 2024
General payments to Dr. O'Brien by kind, 2016 to 2024
- Food and beverage$1,53395%
- Education$745%
Companies that paid Dr. O'Brien 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. Edward Thomas O'Brien graduated from Georgetown University School of Medicine
Dr. O'Brien graduated from Georgetown University School of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Edward Thomas O'Brien'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) |
| 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. Edward Thomas O'Brien
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. Edward Thomas O'Brien's NPI number?
Dr. Edward Thomas O'Brien's NPI number is 1205808276. It was assigned on February 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Edward Thomas O'Brien?
Dr. Edward Thomas O'Brien is a medical oncologist in Lewisburg, Pennsylvania. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Edward Thomas O'Brien practice?
Dr. O'Brien practices at 75 Medical Park Drive, Lewisburg, PA 17837. Dr. O'Brien's primary practice is Geisinger Medical Oncology - Lewisburg - HOPD in Lewisburg, Pennsylvania. Dmand AI also links Dr. O'Brien to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Edward Thomas O'Brien's medical license number?
Dr. O'Brien holds Pennsylvania license MD024174E, one of the licenses on file in 2 states.
Which states has Dr. Edward Thomas O'Brien been licensed in?
Dmand AI has state licenses on file for Dr. O'Brien in Pennsylvania and New York.
Which hospitals is Dr. Edward Thomas O'Brien affiliated with?
Dr. O'Brien is affiliated with WellSpan Evangelical Community Hospital. Dmand AI links Dr. O'Brien to 2 more hospitals.
What medical group is Dr. Edward Thomas O'Brien part of?
Dr. O'Brien is linked to Geisinger. Dmand AI links Dr. O'Brien to 1 more medical group.
Does Dr. Edward Thomas O'Brien accept Medicare?
Yes. CMS data shows Dr. O'Brien billed Medicare for 832 services in 2024, and Dr. O'Brien accepts Medicare assignment.
Does Dr. Edward Thomas O'Brien offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. O'Brien as offering telehealth services.
How many Medicare patients does Dr. Edward Thomas O'Brien see?
CMS counts 287 Medicare patients who saw Dr. O'Brien in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Edward Thomas O'Brien bill to Medicare?
In 2024, Dr. O'Brien's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99204).
Where did Dr. Edward Thomas O'Brien go to medical school?
Dr. O'Brien graduated from Georgetown University School of Medicine in 1979.
What drugs does Dr. Edward Thomas O'Brien prescribe most?
In 2024 Medicare Part D data, Dr. O'Brien's most prescribed drugs by claims were Abiraterone Acetate, Prednisone and Hydroxyurea.
Has Dr. Edward Thomas O'Brien received payments from drug or device companies?
CMS Open Payments shows $1,607 in general payments to Dr. O'Brien from 11 companies from 2016 to 2024. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Edward Thomas O'Brien been practicing?
Dr. O'Brien graduated from medical school in 1979, 47 years ago.
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