Christopher Gammarano, MD
NPI 1992294938 · Diagnostic Radiology Physician · Jacksonville, FL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Gammarano, MD is a Diagnostic Radiology Physician provider in Jacksonville, FL (NPI 1992294938).
Provider details
- NPI number
- 1992294938
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 212574 (AK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,752 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 255 | $11 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 136 | $16 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 110 | $28 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 97 | $18 |
| X-Ray of Chest, 2 Views71046 | 81 | $21 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 58 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 3650 Piper StAnchorage, AK 99508-4651Phone: (907) 339-9455
- 13813 Metro PkwyFort Myers, FL 33912-4343Phone: (855) 674-4624
- 4500 San Pablo Rd SJacksonville, FL 32224Phone: (904) 953-2000
Registry dates
- Enumerated
- 2018-05-04
- Last updated
- 2025-11-17
- Certified
- 2025-11-17
Frequently asked questions
- What is Christopher Gammarano's NPI number?
- Christopher Gammarano's National Provider Identifier (NPI) is 1992294938, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Gammarano's specialty?
- Christopher Gammarano is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Gammarano located?
- Christopher Gammarano's practice location on file with NPPES is 8825 Perimeter Park Blvd Ste 402, Jacksonville, FL 32216-1124.
- What is Christopher Gammarano's phone number?
- The practice phone number listed in the NPPES registry for Christopher Gammarano is (904) 647-6238.
- Does Christopher Gammarano accept Medicare?
- Christopher Gammarano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Gammarano's NPI active?
- Yes — Christopher Gammarano's NPI (1992294938) is active in the NPPES registry as of the last update on 2025-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.