Are you William E. Callaghan, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 930 W 21St St Fl 2, Norfolk, VA 23517
About Dr. Callaghan
Based in Norfolk, VA, William E. Callaghan, M.D. is listed in the NPI registry under cardiovascular disease (cardiology). William graduated from Eastern Virginia Medical School in 1982. William is also listed as specializing in cardiovascular disease. According to Medicare claims data, William cared for 847 Medicare patients across 1,137 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report. NPI 1306860176 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (757) 624-1785
- Email not available
Practice Locations
930 W 21ST ST FL 2
Norfolk, VA 23517
Conditions Commonly Evaluated or Treated
Within Cardiovascular Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Procedures & services
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
Procedures Most Often Billed to Medicare
1,137 services · 847 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
36 | As often as other peers in Cardiovascular Disease… |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
12 | As often as other peers in Cardiovascular Disease… |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
209 | As often as other peers in Cardiovascular Disease… |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
148 | As often as other peers in Cardiovascular Disease… |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
54 | Less often than most peers in Cardiovascular Disease… |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
49 | Less often than most peers in Cardiovascular Disease… |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
14 | Less often than most peers in Cardiovascular Disease… |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
12 | Less often than most peers in Cardiovascular Disease… |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
12 | Less often than most peers in Cardiovascular Disease… |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
11 | Less often than most peers in Cardiovascular Disease… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiovascular diseases at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other cardiovascular diseases in Norfolk 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Eastern Virginia Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at Eastern Virginia Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Nuclear medicine studies of heart muscle at rest and with stress and spect 8
Providers in VA who bill this service to Medicare most often.
Common questions
What kind of doctor is William E. Callaghan?
William E. Callaghan is a cardiovascular disease (cardiology) in Norfolk, VA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is William E. Callaghan's address?
William E. Callaghan is listed at 930 W 21St St Fl 2, Norfolk, VA 23517. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with William E. Callaghan?
The number on file is (757) 624-1785. Contact the office directly to confirm availability and scheduling.
NPI registry
What is William E. Callaghan's NPI number?
William E. Callaghan's National Provider Identifier is 1306860176. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did William E. Callaghan train?
William E. Callaghan attended Eastern Virginia Medical School, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How long has William E. Callaghan been practicing?
William E. Callaghan has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What procedures does William E. Callaghan perform?
According to Medicare billing data, William E. Callaghan performs imaging including nuclear medicine studies of heart muscle at rest and with stress and spect; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has William E. Callaghan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William E. Callaghan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.