Dr. Mark D. Allan, MD
- Medicare services, 2024
- 2,150
- Medicare patients, 2024
- 1,450
- Hospital affiliations
- 3
- Industry payments
- $223
- Medical groups
- 4
- Practice address
- 106 Bow Street, Elkton, MD 21921
- Practice phone
- Call (410) 392-7009
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Allan'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. Mark D. Allan is a diagnostic radiologist in Elkton, Maryland
Dr. Allan practices at ChristianaCare Union Hospital in Elkton, Maryland, part of ChristianaCare.
Dr. Allan's NPI, 1477594463, was assigned on June 9, 2006. Dr. Allan graduated from University of Missouri, Columbia School of Medicine in 1992. Dr. Allan holds Pennsylvania license MD065353L.
- NPI
- 1477594463NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638221070
- NPI enumeration date
- June 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 392-7009
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark D. Allan practices at ChristianaCare Union Hospital in Elkton, Maryland
Dr. Allan's primary practice is ChristianaCare Union Hospital, at 106 Bow Street, Elkton, MD 21921 in Cecil County. The practice phone is (410) 392-7009.
- ChristianaCare Union Hospital106 Bow Street, Elkton, MD 21921 · Cecil CountyPhone(410) 392-7009
Source: Dmand AI Affiliation Data
Dr. Mark D. Allan is affiliated with 6 sites of care and 4 medical groups
Dr. Allan's primary practice is ChristianaCare Union Hospital in Elkton, Maryland, part of ChristianaCare. Dr. Allan is also affiliated with Christiana Hospital. The medical group on file is ChristianaCare Union Hospital. Dmand AI also links Dr. Allan to 1 more hospital, 3 group practices and clinics and 3 medical groups, each named with a free account. Dr. Allan's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark D. Allan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Allan practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ChristianaCare Union Hospital | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across ChristianaCare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark D. Allan is one of 626 diagnostic radiologists in Maryland
Diagnostic radiology is Dr. Allan's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Allan is licensed in Pennsylvania.
Specialties and state licenses
- Diagnostic radiology, PennsylvaniaPrimary
Diagnostic radiologists near Dr. Allan
Counts of diagnostic radiologists 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. Mark D. Allan billed Medicare for 2,150 services in 2024
CMS data shows 2,150 Medicare services from Dr. Allan across 43 procedure codes in 2024, for 1,450 Medicare patients. Medicare paid $57,457 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Allan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,6612024: 1,89914%
- Surgery
- 2023: 712024: 12677%
- Tests and treatments
- 2023: 902024: 12539%
Dr. Allan compared with the Maryland median for diagnostic radiologists, 2024
- Dr. Allan
- Maryland median
- Medicare services
- 2,150vs 5,24159% below
- Medicare patients
- 1,450vs 1,94425% below
Medians across 602 diagnostic radiologists in Maryland with Dmand AI profiles that report each measure.
Dr. Allan'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. Allan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Allan and other diagnostic radiologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark D. Allan treated 1,450 Medicare patients in 2024, average age 74
CMS counts 1,450 Medicare patients who saw Dr. Allan in 2024. The largest group is 65 to 74, with 537 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.00, 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. Allan's median patient age at 55, with 57% women.
Dr. Allan's Medicare patients by age, 2024
Dr. Allan's Medicare patients by sex, 2024
- Women80956%
- Men64144%
Chronic conditions among Dr. Allan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Diabetes48%
- Mood disorders45%
- Anxiety43%
- Ischemic heart disease41%
- Depression39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Allan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Mark D. Allan takes part in Medicare
Dr. Allan 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. Mark D. Allan received $223 in industry payments from 2016 to 2020
CMS Open Payments shows 7 general payments to Dr. Allan from 5 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Cook Medical LLC paid the most, $125.
General payments to Dr. Allan by program year, 2016 to 2020
Companies that paid Dr. Allan the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark D. Allan graduated from University of Missouri, Columbia School of Medicine
Dr. Allan graduated from University of Missouri, Columbia School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark D. Allan'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) |
| 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. Mark D. Allan
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. Mark D. Allan's NPI number?
Dr. Mark D. Allan's NPI number is 1477594463. It was assigned on June 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark D. Allan?
Dr. Mark D. Allan is a diagnostic radiologist in Elkton, Maryland. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Mark D. Allan practice?
Dr. Allan practices at 106 Bow Street, Elkton, MD 21921. Dr. Allan's primary practice is ChristianaCare Union Hospital in Elkton, Maryland, part of ChristianaCare. Dmand AI also links Dr. Allan to 1 hospital, 3 group practices and clinics and 3 medical groups.
What is Dr. Mark D. Allan's office phone number?
The practice phone on file for Dr. Allan is (410) 392-7009.
What is Dr. Mark D. Allan's medical license number?
Dr. Allan holds Pennsylvania license MD065353L.
Which hospitals is Dr. Mark D. Allan affiliated with?
Dr. Allan practices at ChristianaCare Union Hospital in Elkton, Maryland. Dr. Allan is also affiliated with Christiana Hospital. Dmand AI links Dr. Allan to 1 more hospital.
What medical group is Dr. Mark D. Allan part of?
Dr. Allan is linked to ChristianaCare Union Hospital. Dmand AI links Dr. Allan to 3 more medical groups.
Does Dr. Mark D. Allan accept Medicare?
Yes. CMS data shows Dr. Allan billed Medicare for 2,150 services in 2024, and Dr. Allan accepts Medicare assignment.
How many Medicare patients does Dr. Mark D. Allan see?
CMS counts 1,450 Medicare patients who saw Dr. Allan in 2024, with an average age of 74.
What services does Dr. Mark D. Allan bill to Medicare?
In 2024, Dr. Allan's most billed Medicare services were diagnostic imaging (71046), diagnostic imaging (71045) and diagnostic imaging (70450).
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Where did Dr. Mark D. Allan go to medical school?
Dr. Allan graduated from University of Missouri, Columbia School of Medicine in 1992.
Has Dr. Mark D. Allan received payments from drug or device companies?
CMS Open Payments shows $223 in general payments to Dr. Allan from 5 companies from 2016 to 2020. The largest total came from Cook Medical LLC.
How long has Dr. Mark D. Allan been practicing?
Dr. Allan graduated from medical school in 1992, 34 years ago.
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