Dr. Gregory C. Ravizzini
- Gender: Male
- Experience: 23 years
- Graduation year: 1998
- Sole propriator: No
- NPI: 1649447525
Dr. Gregory C. Ravizzini M.D.
Nuclear Medicine Physician
He is located at 1515 Holcombe Boulevard in Houston, TX 77030. Can help patients with the following: MRI. His National Provider Identifier (NPI) number is 1649447525. Appointment can be made via the phone number (713) 792-6161.
Conditions treated
Dr. Gregory Calderoni Ravizzini, being an nuclear medicine physician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Gregory C. Ravizzini.
- MRI
Procedures Performed by Dr. Gregory C. Ravizzini
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Gregory C. Ravizzini as in-network for the following 2026 plans.
Health plans
Blue Cross and Blue Shield of Texas
Network data as of Jun 7, 2026, as reported by the insurer.
Show all 19 plans from Blue Cross and Blue Shield of Texas
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Advantage Bronze HMO℠ 204 (27 plan variants) | HMO · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Bronze HMO℠ 301 (14 plan variants) | HMO · Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Bronze HMO℠ Standard (27 plan variants) | HMO · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Gold HMO℠ 206 (27 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Gold HMO℠ 603 (14 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Gold HMO℠ Standard (27 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Bronze℠ 303 (27 plan variants) | POS · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Bronze℠ 305 (27 plan variants) | POS · Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Bronze℠ Standard (27 plan variants) | POS · Expanded Bronze | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Gold℠ 203 (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Gold℠ 803 (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Gold℠ Standard (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Silver℠ 202 (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Silver℠ 605 (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Plus Silver℠ Standard (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Security HMO℠ 200 (27 plan variants) | HMO · Catastrophic | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Silver HMO℠ 205 (27 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Silver HMO℠ 801 (14 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients |
| Blue Advantage Silver HMO℠ Standard (27 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients |
Harbor Health
Network data as of Sep 14, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Harbor Health G0 $0 Deductible $0 PCP $0 Mental Health Office Visit $0 Express Care | HMO · Gold | Preferred | Accepting new patients |
| Harbor Health G1S $30 PCP $30 Mental Health Office Visit $30 Express Care | HMO · Gold | Preferred | Accepting new patients |
| Harbor Health S1 $0 PCP $0 Mental Health Office Visit $0 Express Care | HMO · Silver | Preferred | Accepting new patients |
| Harbor Health S1S $40 PCP $40 Mental Health Office Visit $40 Express Care | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Gregory C. Ravizzini is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Gregory C. Ravizzini is enrolled to bill Medicare as a Practitioner - Nuclear Medicine (also registered under: Practitioner - Diagnostic Radiology) .
Bills through: Physicians Referral Service
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Blue Earth Diagnostics | $38 |
Other
| Food and Beverage | $38 |
Studies
Graduated in 1998Additional Specialities
- Radiologist
Looking for more Nuclear Medicine Physicians?
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- Address: 1515 Holcombe Boulevard Houston, 77030, TX
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- Address: 6720 Bertner Avenue Houston, 77030, TX
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- Address: 2002 Holcombe Boulevard Houston, 77030, TX
- Gender: Male
- Address: 6431 Fannin Street Houston, 77030, TX
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- Address: 6720 Bertner Avenue Houston, 77030, TX
- Gender: Female
- Address: 1515 Holcombe Boulevard Houston, 77030, TX
- Gender: Female
- Address: 1515 Holcombe Boulevard Houston, 77030, TX
Questions & Answers
What conditions does Dr. Gregory Calderoni Ravizzini treat?
Dr. Gregory Calderoni Ravizzini provides treatment for MRI.
Where can you meet with Dr. Gregory Calderoni Ravizzini?
Dr. Gregory Calderoni Ravizzini's office is located at 1515 Holcombe Boulevard in Houston, TX 77030.
Does Dr. Gregory Calderoni Ravizzini accept patients with Blue Cross and Blue Shield of Texas?
Yes, Dr. Gregory Calderoni Ravizzini is listed in-network for Blue Cross and Blue Shield of Texas through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.