Ryan Buckner, M.D.
NPI 1851527394 · Diagnostic Radiology Physician · Chattanooga, TN
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Buckner, M.D. is a Diagnostic Radiology Physician provider in Chattanooga, TN (NPI 1851527394).
Provider details
- NPI number
- 1851527394
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 53165 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,248 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 | 856 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 304 | $36 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 161 | $80 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 146 | $76 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 115 | $78 |
| Screening Mammography77067 | 112 | $33 |
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
Registry dates
- Enumerated
- 2009-06-10
- Last updated
- 2016-05-19
Frequently asked questions
- What is Ryan Buckner's NPI number?
- Ryan Buckner's National Provider Identifier (NPI) is 1851527394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Buckner's specialty?
- Ryan Buckner is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Buckner located?
- Ryan Buckner's practice location on file with NPPES is 975 E 3rd St # 376, Chattanooga, TN 37403-2147.
- What is Ryan Buckner's phone number?
- The practice phone number listed in the NPPES registry for Ryan Buckner is (423) 778-7234.
- Does Ryan Buckner accept Medicare?
- Ryan Buckner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Buckner's NPI active?
- Yes — Ryan Buckner's NPI (1851527394) is active in the NPPES registry as of the last update on 2016-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.