Dr. William E. Callaghan, MD
- Medicare services, 2024
- 1,137
- Medicare patients, 2024
- 525
- Part D claims, 2024
- 590
- Hospital affiliations
- 4
- Industry payments
- $11,661
- Practice address
- 3636 High Street, Portsmouth, VA 23707
- Practice phone
- Call (757) 398-2200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Callaghan'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. William E. Callaghan is a cardiologist in Portsmouth, Virginia
Dr. Callaghan practices at Bon Secours Maryview Medical Center in Portsmouth, Virginia, part of Bon Secours Mercy Health.
Dr. Callaghan's NPI, 1306860176, was assigned on July 26, 2006. Dr. Callaghan graduated from Eastern Virginia Medical School in 1982. Dr. Callaghan holds Georgia license 027974.
- NPI
- 1306860176NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002823242
- NPI enumeration date
- July 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (757) 398-2200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William E. Callaghan practices at Bon Secours Maryview Medical Center in Portsmouth, Virginia
Dr. Callaghan's primary practice is Bon Secours Maryview Medical Center, at 3636 High Street, Portsmouth, VA 23707 in Portsmouth City. The practice phone is (757) 398-2200.
- Bon Secours Maryview Medical Center3636 High Street, Portsmouth, VA 23707 · Portsmouth CityPhone(757) 398-2200
Source: Dmand AI Affiliation Data
Dr. William E. Callaghan is affiliated with 5 sites of care and 1 medical group
Dr. Callaghan's primary practice is Bon Secours Maryview Medical Center in Portsmouth, Virginia, part of Bon Secours Mercy Health. Dr. Callaghan is also affiliated with Sentara Norfolk General Hospital. The medical group on file is Bon Secours Hampton Roads Medical Group. Dmand AI also links Dr. Callaghan to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William E. Callaghan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Callaghan practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bon Secours Maryview Medical Center | Available with a free account |
| +4 more affiliated sites | 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 Bon Secours Mercy Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William E. Callaghan is one of 562 cardiologists in Virginia
Cardiovascular disease is Dr. Callaghan's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dmand AI has Dr. Callaghan's licenses on file in 2 states: Georgia and South Carolina.
Specialties and state licenses
- Cardiovascular disease, GeorgiaPrimary
- South Carolina license
Cardiologists near Dr. Callaghan
Counts of cardiologists 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. William E. Callaghan billed Medicare for 1,137 services in 2024
CMS data shows 1,137 Medicare services from Dr. Callaghan across 14 procedure codes in 2024, for 525 Medicare patients. Medicare paid $62,523 for them.
Dr. Callaghan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 7572024: 52031%
- Office and hospital visits
- 2023: 6152024: 44727%
- Drugs given in the office
- 2023: 762024: 725%
- Other services
- 2023: 472024: 506%
- Imaging
- 2023: 422024: 4814%
Where Dr. Callaghan's Medicare services took place, 2024
- In an office69361%
- In a facility44439%
Dr. Callaghan compared with the Virginia median for cardiologists, 2024
- Dr. Callaghan
- Virginia median
- Medicare services
- 1,137vs 2,25250% below
- Medicare patients
- 525vs 1,17855% below
- Part D claims
- 398vs 1,47273% below
Medians across 562 cardiologists in Virginia with Dmand AI profiles that report each measure.
Dr. Callaghan'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. Callaghan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Callaghan and other cardiologists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William E. Callaghan treated 525 Medicare patients in 2024, average age 75
CMS counts 525 Medicare patients who saw Dr. Callaghan in 2024. The largest group is 65 to 74, with 204 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.59, 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. Callaghan's median patient age at 63, with 55% women.
Dr. Callaghan's Medicare patients by age, 2024
Dr. Callaghan's Medicare patients by sex, 2024
- Women27252%
- Men25348%
Chronic conditions among Dr. Callaghan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Ischemic heart disease43%
- Diabetes41%
- Heart failure38%
- Chronic kidney disease36%
- Atrial fibrillation34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Callaghan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William E. Callaghan wrote 590 Medicare Part D claims in 2024
In 2024, Dr. Callaghan wrote 590 Medicare Part D claims for 186 patients. 76% of them were for generic drugs. CMS names the drug for 398 of them, across 16 drugs with 11 or more claims each, at $91,702 in total drug cost. In 2023, CMS named 1,061 claims across 27 drugs.
Dr. Callaghan's Part D claims by kind of drug, 2024
- Generic449 claims76%
- Brand-name141 claims24%
Dr. Callaghan'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,0612024: 39862%
Drugs named by CMS: 16 in 2024, 27 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. William E. Callaghan takes part in Medicare
Dr. Callaghan 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. William E. Callaghan received $11,661 in industry payments from 2016 to 2025
CMS Open Payments shows 733 general payments to Dr. Callaghan from 48 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Novartis Pharmaceuticals Corporation paid the most, $2,269.
General payments to Dr. Callaghan by program year, 2016 to 2025
General payments to Dr. Callaghan by kind, 2016 to 2025
- Food and beverage$11,30797%
- Education$3553%
Companies that paid Dr. Callaghan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William E. Callaghan graduated from Eastern Virginia Medical School
Dr. Callaghan graduated from Eastern Virginia Medical School in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William E. Callaghan'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) |
| 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. William E. Callaghan
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. William E. Callaghan's NPI number?
Dr. William E. Callaghan's NPI number is 1306860176. It was assigned on July 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William E. Callaghan?
Dr. William E. Callaghan is a cardiologist in Portsmouth, Virginia. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. William E. Callaghan practice?
Dr. Callaghan practices at 3636 High Street, Portsmouth, VA 23707. Dr. Callaghan's primary practice is Bon Secours Maryview Medical Center in Portsmouth, Virginia, part of Bon Secours Mercy Health. Dmand AI also links Dr. Callaghan to 2 hospitals and 1 group practice or clinic.
What is Dr. William E. Callaghan's office phone number?
The practice phone on file for Dr. Callaghan is (757) 398-2200.
What is Dr. William E. Callaghan's medical license number?
Dr. Callaghan holds Georgia license 027974, one of the licenses on file in 2 states.
Which states has Dr. William E. Callaghan been licensed in?
Dmand AI has state licenses on file for Dr. Callaghan in Georgia and South Carolina.
Which hospitals is Dr. William E. Callaghan affiliated with?
Dr. Callaghan practices at Bon Secours Maryview Medical Center in Portsmouth, Virginia. Dr. Callaghan is also affiliated with Sentara Norfolk General Hospital. Dmand AI links Dr. Callaghan to 2 more hospitals.
What medical group is Dr. William E. Callaghan part of?
Dr. Callaghan is linked to Bon Secours Hampton Roads Medical Group.
Does Dr. William E. Callaghan accept Medicare?
Yes. CMS data shows Dr. Callaghan billed Medicare for 1,137 services in 2024, and Dr. Callaghan accepts Medicare assignment.
How many Medicare patients does Dr. William E. Callaghan see?
CMS counts 525 Medicare patients who saw Dr. Callaghan in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. William E. Callaghan bill to Medicare?
In 2024, Dr. Callaghan's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93010) and heart test or procedure (93000).
Where did Dr. William E. Callaghan go to medical school?
Dr. Callaghan graduated from Eastern Virginia Medical School in 1982.
What drugs does Dr. William E. Callaghan prescribe most?
In 2024 Medicare Part D data, Dr. Callaghan's most prescribed drugs by claims were Metoprolol Succinate, Entresto and Carvedilol.
Has Dr. William E. Callaghan received payments from drug or device companies?
CMS Open Payments shows $11,661 in general payments to Dr. Callaghan from 48 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. William E. Callaghan been practicing?
Dr. Callaghan graduated from medical school in 1982, 44 years ago.
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