Primary practice
Find Dr. McCormack'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. McCormack practices at Meritus Medical Center in Hagerstown, Maryland, part of Meritus Health.
Dr. McCormack's NPI, 1821018821, was assigned on July 20, 2006. Dr. McCormack graduated from Georgetown University School of Medicine in 1982. Dr. McCormack holds Maryland license D0041667.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. McCormack's primary practice is Meritus Medical Center, at 11116 Medical Campus Road, Hagerstown, MD 21742 in Washington County. The practice phone is (240) 313-9500.
Source: Dmand AI Affiliation Data
Dr. McCormack's primary practice is Meritus Medical Center in Hagerstown, Maryland, part of Meritus Health. The medical group on file is Meritus Radiology. Dmand AI also links Dr. McCormack to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McCormack practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Meritus Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Medical oncology is Dr. McCormack's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. McCormack is licensed in Maryland.
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
CMS data shows 364 Medicare services from Dr. McCormack across 5 procedure codes in 2024, for 167 Medicare patients. Medicare paid $22,285 for them. Every service was in a facility, such as a hospital, rather than an office.
Medians across 124 medical oncologists in Maryland with Dmand AI profiles that report each measure.
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. McCormack and other medical oncologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
CMS counts 167 Medicare patients who saw Dr. McCormack in 2024. The largest group is 75 to 84, with 67 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 2.65, 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. McCormack's median patient age at 72, with 78% women.
Share of Medicare patients with each condition. A patient can have several.
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Median age 72
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
In 2023, Dr. McCormack wrote 87 Medicare Part D claims. They cover 4 drugs, with $262,118 in total drug cost. In 2022, CMS named 849 claims across 29 drugs.
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drugs named by CMS: 4 in 2023, 29 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. McCormack accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
Source: Doctors and Clinicians National Downloadable File (CMS)
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dmand AI links Dr. McCormack to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Breast Neoplasms and Breast Diseases. Open Payments lists research payments to Dr. McCormack that name 1 trial.
Conditions in Dr. McCormack's trials
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
CMS Open Payments shows 34 general payments to Dr. McCormack from 12 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 61% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,934. It also lists 5 research payments totaling $21,249 from 2017 to 2019, naming 1 clinical trial.
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. McCormack graduated from Georgetown University School of Medicine in 1982.
Source: Dmand AI Professional 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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
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Dr. Michael J. McCormack's NPI number is 1821018821. It was assigned on July 20, 2006, and it is active in the NPI Registry.
Dr. Michael J. McCormack is a medical oncologist in Hagerstown, Maryland. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Dr. McCormack practices at 11116 Medical Campus Road, Hagerstown, MD 21742. Dr. McCormack's primary practice is Meritus Medical Center in Hagerstown, Maryland, part of Meritus Health. Dmand AI also links Dr. McCormack to 2 group practices and clinics and 1 medical group.
The practice phone on file for Dr. McCormack is (240) 313-9500.
Dr. McCormack holds Maryland license D0041667.
Dr. McCormack practices at Meritus Medical Center in Hagerstown, Maryland.
Dr. McCormack is linked to Meritus Radiology. Dmand AI links Dr. McCormack to 1 more medical group.
Yes. CMS data shows Dr. McCormack billed Medicare for 364 services in 2024, and Dr. McCormack accepts Medicare assignment.
CMS counts 167 Medicare patients who saw Dr. McCormack in 2024, with an average age of 78.
In 2024, Dr. McCormack's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99222) and hospital inpatient care (99221).
Dr. McCormack graduated from Georgetown University School of Medicine in 1982.
In 2023 Medicare Part D data, Dr. McCormack's most prescribed drugs by claims were Anastrozole, Tamoxifen Citrate and Valacyclovir.
CMS Open Payments shows $2,730 in general payments to Dr. McCormack from 12 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
Dr. McCormack graduated from medical school in 1982, 44 years ago.
Dr. McCormack has worked on 1 clinical trial.
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