Doctor profile · Federal record
Dr. Gregory Ravizzini, M.D.
Nuclear Medicine Physician (CMS: Nuclear Medicine) · Nuclear Medicine Physician · Houston, TX
- NPI 1649447525
- Accepts Medicare
- MIPS 79.4 / 100 · 2023
- 28 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1515 Holcombe Blvd
Houston, TX 770304009
(713) 792-6161 - Mailing address
-
Po Box 4439
Houston, TX 772104439
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Profile last updated
- February 27, 2012
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207U00000X — NUCC code
- State licenses (2)
- Texas #P1213 · New York #238724
- Medicaid
- TX #286780601
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649447525. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,389
Distinct HCPCS
10
Medicare allowed
$93,677
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
78815 |
Nuclear medicine study from skull base to mid-thigh with ct scan | 354 | 343 | $115 | |
77080 |
Dxa bone density measurement of hip, pelvis, spine | 261 | 261 | $9 | |
78816 |
Nuclear medicine study whole body with ct scan | 124 | 120 | $115 | |
78306 |
Nuclear medicine study of bone and/or joint whole body | 116 | 113 | $40 | |
78815 |
Nuclear medicine study from skull base to mid-thigh with ct scan | 94 | 93 | $111 | |
79101 |
Radioactive drug therapy through a vein | 79 | 56 | $94 | |
77080 |
Dxa bone density measurement of hip, pelvis, spine | 69 | 69 | $9 | |
77081 |
Dxa bone density measurement of forearm, finger, hand, or foot | 59 | 59 | $10 | |
78802 |
Nuclear medicine study, whole body | 49 | 44 | $37 | |
78803 |
Nuclear medicine study, spect imaging, 1 area or single acquisition, single day imaging | 41 | 38 | $51 |
In context: peer comparison
Among 5 peers in Houston Nuclear Medicine Physician, average services per provider: 75. This provider delivers 19× the peer median.Frequently asked questions
What is Dr. Gregory Ravizzini's medical specialty?
Dr. Gregory Ravizzini practices Nuclear Medicine Physician in Houston, TX.
Where does Dr. Gregory Ravizzini practice?
Dr. Gregory Ravizzini practices at 1515 Holcombe Blvd, Houston, TX 770304009. Office phone: 7137926161.
What is Dr. Gregory Ravizzini's NPI?
Dr. Gregory Ravizzini's National Provider Identifier (NPI) is 1649447525, issued by NPPES.
Does Dr. Gregory Ravizzini accept Medicare assignment?
Yes. Dr. Gregory Ravizzini accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Ravizzini commonly perform?
Top Medicare-reported procedures in 2023: Nuclear medicine study from skull base to mid-thigh with ct scan (HCPCS 78815); Dxa bone density measurement of hip, pelvis, spine (HCPCS 77080); Nuclear medicine study whole body with ct scan (HCPCS 78816). Source: CMS Medicare Physician & Other Practitioners file.