Ryan Landis, MD
NPI 1144665845 · Surgical Critical Care Physician · Johnson City, TN
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Landis, MD is a Surgical Critical Care Physician provider in Johnson City, TN (NPI 1144665845).
Provider details
- NPI number
- 1144665845
- Entity type
- Individual
- Primary specialty
- Surgical Critical Care PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 60114 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 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
393 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 229 | $74 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 51 | $122 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 41 | $77 |
| Critical Care, First 30-74 Minutes99291 | 38 | $199 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 20 | $76 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-05-08
- Last updated
- 2022-03-15
- Certified
- 2022-03-15
Frequently asked questions
- What is Ryan Landis's NPI number?
- Ryan Landis's National Provider Identifier (NPI) is 1144665845, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Landis's specialty?
- Ryan Landis is listed in the NPPES registry with a primary specialty of Surgical Critical Care Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Landis located?
- Ryan Landis's practice location on file with NPPES is 410 N State of Franklin Rd Ste 130, Johnson City, TN 37604-6972.
- What is Ryan Landis's phone number?
- The practice phone number listed in the NPPES registry for Ryan Landis is (423) 431-2477.
- Does Ryan Landis accept Medicare?
- Ryan Landis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Landis's NPI active?
- Yes — Ryan Landis's NPI (1144665845) is active in the NPPES registry as of the last update on 2022-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.