Physician Profile
Gregg D. Alzate, MD
Unclaimed ProfileAbout Dr. Alzate
Gregg D. Alzate, MD practices diagnostic radiology in San Diego, CA. Gregg is a 1979 graduate of University of California, San Francisco School of Medicine. Gregg is also listed as specializing in vascular & interventional radiology, radiology, and diagnostic ultrasound. Medicare claims data shows Gregg provided 3,339 services to 1,442 patients. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, x-ray of chest, 1 view, and ct scan head or brain without contrast.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (858) 565-0950
- Email not available
Practice Locations
8745 AERO DRIVE STE 200
San Diego, CA 92123
Conditions Evaluated or Diagnosed
Within Diagnostic Radiology 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
Abdomen & Pelvis
- Abdominal Pain
- Appendicitis
- Diverticulitis
- Enlarged prostate
- Gallstones
- Kidney stones
- Liver Lesions
- Ovarian cysts
Bone & Joint
- Ankle Sprain or Fracture
- Bone fractures
- Heel pain
- Hip osteoarthritis
- Osteoporosis
- Rotator cuff tear
- Torn meniscus
Brain & Head
- Brain aneurysm
- Brain tumor
- Concussion in Children
- Migraines
- Sinus infection
- Transient ischemic attack
Brain & nerves
Breast
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
Neck & Thyroid
Nerve pain
Pelvic health
Spine
Spine & back
Vascular
Women's health
Procedures & services
Abdominal imaging
Biopsies
Bone Density
Breast Imaging
CT Scan
Digestive & liver
Fluoroscopy
General imaging
Heart & blood vessels
Joint & bone
MRI
Nuclear Medicine
Pelvic imaging
Screening & Prevention
Spine & back
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Thyroid ultrasound
- Ultrasound
Urinary & kidney
Women's health
X-Ray
Procedures Most Often Billed to Medicare
3,339 services · 1,442 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration of fluid from chest cavity using imaging guidance | Procedure | 32555 |
81 | More than most peers in Diagnostic Radiology |
| Drainage of fluid from abdominal cavity using imaging guidance | Procedure | 49083 |
43 | As often as other peers in Diagnostic Radiology |
| Injection of contrast through abdominal cavity tube for x-ray study | Procedure | 49424 |
33 | More often than most peers in Diagnostic Radiology |
| Biopsy and aspiration of bone marrow sample for diagnosis | Procedure | 38222 |
26 | As often as other peers in Diagnostic Radiology |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | Procedure | 36556 |
26 | More often than most peers in Diagnostic Radiology |
| Insertion of tunneled central venous tube for infusion (5 years or older) | Procedure | 36558 |
22 | As often as other peers in Diagnostic Radiology |
| Insertion of central venous tube with port (5 years or older) | Procedure | 36561 |
20 | As often as other peers in Diagnostic Radiology |
| Replacement of stomach or large bowel tube using fluoroscopic guidance with contrast | Procedure | 49450 |
18 | More often than most peers in Diagnostic Radiology |
| Insertion of stomach tube using fluoroscopic guidance with contrast | Procedure | 49440 |
18 | More often than most peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
391 | As often as other peers in Diagnostic Radiology |
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 radiologists at this location 8
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 radiologists in San Diego 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of California, San Francisco School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1979 at University of California, San Francisco School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration of fluid from chest cavity using imaging guidance 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Alzate's specialty?
Dr. Alzate is a radiologist in San Diego, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where can I find Dr. Alzate?
Dr. Alzate is listed at 8745 Aero Drive Ste 200, San Diego, CA 92123. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Alzate?
The number on file is (858) 565-0950. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Alzate?
Dr. Alzate's National Provider Identifier is 1932173085. 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. Alzate's medical education?
Dr. Alzate attended University of California, San Francisco School of Medicine, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Alzate have?
Dr. Alzate has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Alzate known for?
According to Medicare billing data, Dr. Alzate performs procedures including aspiration of fluid from chest cavity using imaging guidance, drainage of fluid from abdominal cavity using imaging guidance and injection of contrast through abdominal cavity tube for x-ray study; reads or performs imaging such as x-ray of chest, 1 view and ct scan head or brain without contrast; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Alzate's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Alzate. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.