Brett Gratz, MD
NPI 1649229063 · Diagnostic Radiology Physician · Jacksonville, FL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brett Gratz, MD is a Diagnostic Radiology Physician provider in Jacksonville, FL (NPI 1649229063).
Provider details
- NPI number
- 1649229063
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME95177 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,322 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 206 | $20 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 184 | $32 |
| X-Ray of Chest, 1 View71045 | 152 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 71 | $82 |
| Ct Scan Head Or Brain Without Contrast70450 | 68 | $38 |
| Ct Scan of Heart With Evaluation of Blood Vessel Calcium75571 | 65 | $26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-10
- Last updated
- 2017-08-21
Frequently asked questions
- What is Brett Gratz's NPI number?
- Brett Gratz's National Provider Identifier (NPI) is 1649229063, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brett Gratz's specialty?
- Brett Gratz is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Brett Gratz located?
- Brett Gratz's practice location on file with NPPES is 3599 University Blvd S, Jacksonville, FL 32216-4252.
- What is Brett Gratz's phone number?
- The practice phone number listed in the NPPES registry for Brett Gratz is (904) 399-5550.
- Does Brett Gratz accept Medicare?
- Brett Gratz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brett Gratz's NPI active?
- Yes — Brett Gratz's NPI (1649229063) is active in the NPPES registry as of the last update on 2017-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.