Gregg D. Alzate, MD
NPI 1932173085ActiveIndividual· Radiology, Diagnostic Radiology· San Diego, CA
Radiology, Diagnostic Radiology (MD) in San Diego, California, trained at University of California, San Francisco School of Medicine (class of 1979). Medicare paid $248,577 for services to 1,449 patients in 2024. Angiodynamics, Inc. was the largest of 15 companies reporting payments in 2025, $39,169 in all, mostly device and supply loans.
Overview
| NPI | 1932173085 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 15, 2006 |
| Last updated in NPPES | Oct 9, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | G42015 | CA |
| Radiology, Vascular & Interventional Radiology | 2085R0204X | G42015 | CA |
| Radiology, Body Imaging | 2085B0100X | G42015 | CA |
| Radiology, Diagnostic Ultrasound | 2085U0001X | G42015 | CA |
| Radiology, Neuroradiology | 2085N0700X | G42015 | CA |
| Radiology, Neuroradiology, Nuclear Radiology | 2085N0904X | G42015 | CA |
| Radiology, Therapeutic Radiology | 2085R0203X | G42015 | CA |
| Pain Medicine, Pain Medicine | 208VP0000X | G42015 | CA |
| Pain Medicine, Interventional Pain Medicine | 208VP0014X | G42015 | CA |
| Radiology, Pediatric Radiology | 2085P0229X | G42015 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Diagnostic Radiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,449 |
|---|---|
| Services billed | 4,176 across 175 procedure codes |
| Paid by Medicare | $248,577 |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Diagnostic Radiology |
| Secondary specialties | Interventional Radiology |
Medical groups
- San Diego Diagnostic Radiology Medical Group IncSan Diego, CA · 47 clinicians
- San Diego Imaging-Chula Vista LLCChula Vista, CA · 43 clinicians
Hospital affiliations
- Sharp Chula Vista Medical CenterChula Vista, CA
- Sharp Coronado Hospital and Hlthcr CtrCoronado, CA
- Sharp Memorial HospitalSan Diego, CA
- Uc San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA
Industry payments (Open Payments)
- 2025$39,169 · 42 payments from 15 companies
- 2024$33,048 · 43 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Angiodynamics, Inc. | $37,346 | 14 |
| Shockwave Medical, Inc | $260.70 | 6 |
| Cook Medical LLC | $237.91 | 2 |
| Penumbra, Inc. | $232.53 | 2 |
| Stryker Corporation | $222.10 | 3 |
What the 2025 payments were for
- Long term medical supply or device loan$30,000 · 1 payment
- Consulting Fee$6,210 · 2 payments
- Food and Beverage$2,354 · 37 payments
- Travel and Lodging$605.02 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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