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Edit this profileAt a glance
- 4500 San Pablo Rd S, Jacksonville, FL 32224
About Dr. Blackshear
Joseph Blackshear, MD practices cardiovascular disease in Jacksonville, FL. Joseph is a 1978 graduate of Mayo Medical School. Medicare claims data shows Joseph provided 130 services to 130 patients. The services billed most often include ultrasound of heart with color-depicted blood flow, rate, direction and valve function, ultrasound of heart with color-depicted blood flow, rate and valve function, and ultrasound of heart blood flow, valves and chambers, follow-up. The provider's National Provider Identifier (NPI) is 1730176991.
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
- (904) 953-2000
- Email not available
Practice Locations
4500 SAN PABLO RD S
Jacksonville, FL 32224
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
Specialized cardiovascular care
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
Advanced imaging
- Cardiac computed tomography
- Coronary artery calcium scan
- Transesophageal echocardiogram
- Cardiac magnetic resonance imaging
- Nuclear cardiac stress imaging
Catheter-based diagnosis and treatment
Heart & circulation
Life Support
Office and noninvasive testing
- Cardiology consultation
- Exercise stress test
- Pharmacologic cardiac stress test
- Stress echocardiogram
- Transthoracic echocardiogram
- Ambulatory blood-pressure monitoring
Structural heart
Most searched procedures
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
130 services · 130 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
77 | Less often than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
21 | Less often than most peers in Cardiovascular Disease |
| Ultrasound of heart blood flow, valves and chambers, follow-up | Treatment | 93321 |
18 | Less often than most peers in Cardiovascular Disease |
| Ultrasound of heart, follow-up | Treatment | 93308 |
14 | 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.
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 cardiologists in Jacksonville 8
Same specialty, same city.
Trained at Mayo Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1978 at Mayo Medical School 7
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 8
Providers in FL who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Blackshear?
Dr. Blackshear is a cardiologist in Jacksonville, FL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
What is Dr. Blackshear's address?
Dr. Blackshear is listed at 4500 San Pablo Rd S, Jacksonville, FL 32224. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Blackshear?
The number on file is (904) 953-2000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Blackshear?
Dr. Blackshear's National Provider Identifier is 1730176991. 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 Dr. Blackshear train?
Dr. Blackshear attended Mayo Medical School, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Blackshear have?
Dr. Blackshear has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Blackshear perform?
According to Medicare billing data, Dr. Blackshear provides treatments such as ultrasound of heart with color-depicted blood flow, rate, direction and valve function and ultrasound of heart with color-depicted blood flow, rate and valve function. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Blackshear's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Blackshear. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.