Dr. Joseph Garrett Reilly, MD, PhD
- Medicare services, 2024
- 2,755
- Medicare patients, 2024
- 203
- Part D claims, 2024
- 751
- Hospital affiliations
- 1
- Industry payments
- $3,755
- Practice address
- 18101 Prince Philip Drive, Olney, MD 20832
- Practice phone
- Call (301) 774-8771
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Reilly's professional email, personal email and mobile number
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Dr. Joseph Garrett Reilly is a hematologist and oncologist in Olney, Maryland
Dr. Reilly practices at MedStar Montgomery Medical Center in Olney, Maryland, part of MedStar Health.
Dr. Reilly's NPI, 1053392100, was assigned on November 7, 2005. Dr. Reilly holds Maryland license D-39190.
- NPI
- 1053392100NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769527324
- NPI enumeration date
- November 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 774-8771
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph Garrett Reilly practices at MedStar Montgomery Medical Center in Olney, Maryland
Dr. Reilly's primary practice is MedStar Montgomery Medical Center, at 18101 Prince Philip Drive, Olney, MD 20832 in Montgomery County. The practice phone is (301) 774-8771.
- MedStar Montgomery Medical Center18101 Prince Philip Drive, Olney, MD 20832 · Montgomery CountyPhone(301) 774-8771
Source: Dmand AI Affiliation Data
Dr. Joseph Garrett Reilly is affiliated with 2 sites of care
Dr. Reilly's primary practice is MedStar Montgomery Medical Center in Olney, Maryland, part of MedStar Health. Dmand AI also links Dr. Reilly to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph Garrett Reilly's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Reilly practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MedStar Montgomery Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph Garrett Reilly is one of 245 hematologists and oncologists in Maryland
Hematology and oncology is Dr. Reilly's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Reilly is licensed in Maryland.
Specialties and state licenses
- Hematology and oncology, MarylandPrimary
Hematologists and oncologists near Dr. Reilly
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. Joseph Garrett Reilly billed Medicare for 2,755 services in 2024
CMS data shows 2,755 Medicare services from Dr. Reilly across 14 procedure codes in 2024, for 203 Medicare patients. Medicare paid $121,446 for them.
Dr. Reilly's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0892024: 1,0484%
- Other services
- 2023: 1,1722024: 70440%
- Surgery
- 2023: 4992024: 39022%
- Lab and pathology
- 2023: 7002024: 33253%
- Tests and treatments
- 2023: 3722024: 15957%
- Drugs given in the office
- 2023: 6602024: 12282%
Where Dr. Reilly's Medicare services took place, 2024
- In an office2,41988%
- In a facility33612%
Dr. Reilly compared with the Maryland median for hematologists and oncologists, 2024
- Dr. Reilly
- Maryland median
- Medicare services
- 2,755vs 1,88446% above
- Medicare patients
- 203vs 39649% below
- Part D claims
- 422vs 38310% above
Medians across 205 hematologists and oncologists in Maryland with Dmand AI profiles that report each measure.
Dr. Reilly'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph Garrett Reilly treated 203 Medicare patients in 2024, average age 80
CMS counts 203 Medicare patients who saw Dr. Reilly in 2024. The largest group is 85 and over, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.65, 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. Reilly's median patient age at 74, with 47% women.
Dr. Reilly's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Reilly's Medicare patients by sex, 2024
- Women10150%
- Men10250%
Chronic conditions among Dr. Reilly's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Diabetes41%
- Chronic kidney disease40%
- Ischemic heart disease32%
- Cancer30%
- Mood disorders26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Reilly'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
- Women47%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joseph Garrett Reilly wrote 751 Medicare Part D claims in 2024
In 2024, Dr. Reilly wrote 751 Medicare Part D claims for 87 patients. 65% of them were for generic drugs. CMS names the drug for 422 of them, across 18 drugs with 11 or more claims each, at $793,001 in total drug cost. In 2023, CMS named 342 claims across 19 drugs.
Dr. Reilly's Part D claims by kind of drug, 2024
- Generic490 claims65%
- Brand-name261 claims35%
Dr. Reilly'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. Reilly's Part D claims, 2024
- Opioids2%17 of 751 claims
- Antibiotics4%28 of 751 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: 3422024: 42223%
Drugs named by CMS: 18 in 2024, 19 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. Joseph Garrett Reilly takes part in Medicare
Dr. Reilly 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. Joseph Garrett Reilly received $3,755 in industry payments from 2016 to 2025
CMS Open Payments shows 16 general payments to Dr. Reilly from 7 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 53% of the total. Allergan Inc. paid the most, $2,360.
General payments to Dr. Reilly by program year, 2016 to 2025
General payments to Dr. Reilly by kind, 2016 to 2025
- Speaker and faculty fees$2,00053%
- Consulting fees$90024%
- Food and beverage$3319%
- Travel and lodging$3259%
- Education$1995%
Companies that paid Dr. Reilly the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Joseph Garrett Reilly'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. Joseph Garrett Reilly
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. Joseph Garrett Reilly's NPI number?
Dr. Joseph Garrett Reilly's NPI number is 1053392100. It was assigned on November 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Garrett Reilly?
Dr. Joseph Garrett Reilly is a hematologist and oncologist in Olney, Maryland. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Joseph Garrett Reilly practice?
Dr. Reilly practices at 18101 Prince Philip Drive, Olney, MD 20832. Dr. Reilly's primary practice is MedStar Montgomery Medical Center in Olney, Maryland, part of MedStar Health. Dmand AI also links Dr. Reilly to 1 physician office.
What is Dr. Joseph Garrett Reilly's office phone number?
The practice phone on file for Dr. Reilly is (301) 774-8771.
What is Dr. Joseph Garrett Reilly's medical license number?
Dr. Reilly holds Maryland license D-39190.
Which hospitals is Dr. Joseph Garrett Reilly affiliated with?
Dr. Reilly practices at MedStar Montgomery Medical Center in Olney, Maryland.
Does Dr. Joseph Garrett Reilly accept Medicare?
Yes. CMS data shows Dr. Reilly billed Medicare for 2,755 services in 2024, and Dr. Reilly accepts Medicare assignment.
How many Medicare patients does Dr. Joseph Garrett Reilly see?
CMS counts 203 Medicare patients who saw Dr. Reilly in 2024, with an average age of 80.
What services does Dr. Joseph Garrett Reilly bill to Medicare?
In 2024, Dr. Reilly's most billed Medicare services were medicare temporary code (Q5106), office visit, established patient (99214) and surgery: heart and blood vessels (36415).
What drugs does Dr. Joseph Garrett Reilly prescribe most?
In 2024 Medicare Part D data, Dr. Reilly's most prescribed drugs by claims were Eliquis, Xarelto and Atorvastatin Calcium.
Has Dr. Joseph Garrett Reilly received payments from drug or device companies?
CMS Open Payments shows $3,755 in general payments to Dr. Reilly from 7 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Joseph Garrett Reilly been practicing?
Dr. Reilly graduated from medical school in 1986, 40 years ago.
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