Are you Dr. Greifenkamp? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 709 Hollybrook Dr, Suite 2301, Longview, TX 75605
About Dr. Greifenkamp
Jonathan D. Greifenkamp, MD practices cardiovascular disease in Longview, TX. Jonathan is a 2000 graduate of University of Texas Medical Branch at Galveston. According to Medicare claims data, Jonathan cared for 3,592 Medicare patients across 4,946 services. The services billed most often include injection, regadenoson, 0.1 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1235333808.
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
- (903) 757-4691
- Email not available
Practice Locations
709 HOLLYBROOK DR SUITE 2301
Longview, TX 75605
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
4,946 services · 3,592 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Chemical destruction of first incompetent vein of arm or leg using imaging guidance | Procedure | 36482 |
108 | More often than most peers in Cardiovascular Disease |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
252 | More than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
303 | As often as other peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
257 | More often than most peers in Cardiovascular Disease |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | Treatment | 93015 |
253 | More than most peers in Cardiovascular Disease |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
203 | More than most peers in Cardiovascular Disease |
| Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | Treatment | 93297 |
202 | More often than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
181 | As often as other peers in Cardiovascular Disease |
| Heart muscle strain imaging | Treatment | 93356 |
178 | More often than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
169 | More 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 cardiologists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 29 related providers in 4 groups
Other cardiologists in Longview 5
Same specialty, same city.
Trained at University of Texas Medical Branch at Galveston 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at University of Texas Medical Branch at Galveston 8
Providers who graduated from the same medical school in the same year.
Also performs Chemical destruction of first incompetent vein of arm or leg using imaging guidance 8
Providers in TX who bill this service to Medicare most often.
Common questions
What is Dr. Greifenkamp's specialty?
Dr. Greifenkamp is a cardiologist in Longview, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
Where can I find Dr. Greifenkamp?
Dr. Greifenkamp is listed at 709 Hollybrook Dr Suite 2301, Longview, TX 75605. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Greifenkamp?
The number on file is (903) 757-4691. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Greifenkamp's NPI number?
Dr. Greifenkamp's National Provider Identifier is 1235333808. 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
What is Dr. Greifenkamp's medical education?
Dr. Greifenkamp attended University of Texas Medical Branch at Galveston, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Greifenkamp been practicing?
Dr. Greifenkamp has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Greifenkamp known for?
According to Medicare billing data, Dr. Greifenkamp performs procedures including chemical destruction of first incompetent vein of arm or leg using imaging guidance; reads or performs imaging such as 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 ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Greifenkamp confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Greifenkamp. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.