Dr. Ryan M. Landis, MD
- Medicare services, 2024
- 393
- Medicare patients, 2024
- 265
- Part D claims, 2016
- 35
- Hospital affiliations
- 3
- Industry payments
- $37
- Practice address
- 400 N State of Franklin Rd, Johnson City, TN 37604
- Practice phone
- Call (423) 431-6111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Johnson City Medical Center/Niswonger Children's
Johnson City, Tennessee
Find Dr. Landis' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ryan M. Landis is a surgical critical care physician in Johnson City, Tennessee
Dr. Landis practices at Johnson City Medical Center/Niswonger Children's in Johnson City, Tennessee.
Dr. Landis' NPI, 1144665845, was assigned on May 8, 2013. Dr. Landis holds Tennessee license 61132.
- NPI
- 1144665845NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294969564
- NPI enumeration date
- May 8, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (423) 431-6111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan M. Landis practices at Johnson City Medical Center/Niswonger Children's in Johnson City, Tennessee
Dr. Landis' primary practice is Johnson City Medical Center/Niswonger Children's, at 400 N State of Franklin Rd, Johnson City, TN 37604 in Washington County. The practice phone is (423) 431-6111.
- Johnson City Medical Center/Niswonger Children's400 N State of Franklin Rd, Johnson City, TN 37604 · Washington CountyPhone(423) 431-6111
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ryan M. Landis is affiliated with 5 sites of care and 1 medical group
Dr. Landis' primary practice is Johnson City Medical Center/Niswonger Children's in Johnson City, Tennessee. Dr. Landis is also affiliated with Johnson City Medical Center. The medical group on file is First Assist Urgent Care. Dmand AI also links Dr. Landis to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ryan M. Landis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Landis practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johnson City Medical Center/Niswonger Children's | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ryan M. Landis is one of 32 surgical critical care physicians in Tennessee
Surgical critical care is Dr. Landis' primary specialty in the NPI Registry, under taxonomy code 2086S0102X. Dmand AI has Dr. Landis' licenses on file in 2 states: Tennessee and Connecticut.
Specialties and state licenses
- Surgical critical care, TennesseePrimary
- Surgery, Connecticut
Surgical critical care physicians near Dr. Landis
Counts of surgical critical care physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ryan M. Landis billed Medicare for 393 services in 2024
CMS data shows 393 Medicare services from Dr. Landis across 6 procedure codes in 2024, for 265 Medicare patients. Medicare paid $28,973 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Landis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4062024: 3933%
Dr. Landis compared with the Tennessee median for surgical critical care physicians, 2024
- Dr. Landis
- Tennessee median
- Medicare services
- 393vs 20691% above
- Medicare patients
- 265vs 15868% above
Medians across 28 surgical critical care physicians in Tennessee with Dmand AI profiles that report each measure.
Dr. Landis' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Landis and other surgical critical care physicians in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan M. Landis treated 265 Medicare patients in 2024, average age 77
CMS counts 265 Medicare patients who saw Dr. Landis in 2024. The largest group is 75 to 84, with 95 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.94, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Landis' median patient age at 74, with 49% women.
Dr. Landis' Medicare patients by age, 2024
Dr. Landis' Medicare patients by sex, 2024
- Women16161%
- Men10439%
Chronic conditions among Dr. Landis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Mood disorders50%
- Depression48%
- Anxiety45%
- Chronic kidney disease45%
- Ischemic heart disease45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Landis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan M. Landis wrote 35 Medicare Part D claims in 2016
In 2016, Dr. Landis wrote 35 Medicare Part D claims. They cover 2 drugs, with $498 in total drug cost.
Dr. Landis' most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Ryan M. Landis takes part in Medicare
Dr. Landis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ryan M. Landis received $37 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Landis from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. TELA Bio, Inc. paid the most, $37.
Companies that paid Dr. Landis the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ryan M. Landis's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ryan M. Landis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ryan M. Landis' NPI number?
Dr. Ryan M. Landis' NPI number is 1144665845. It was assigned on May 8, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan M. Landis?
Dr. Ryan M. Landis is a surgical critical care physician in Johnson City, Tennessee. The primary specialty in the NPI Registry is Surgical Critical Care Physician (taxonomy code 2086S0102X).
Where does Dr. Ryan M. Landis practice?
Dr. Landis practices at 400 N State of Franklin Rd, Johnson City, TN 37604. Dr. Landis' primary practice is Johnson City Medical Center/Niswonger Children's in Johnson City, Tennessee. Dmand AI also links Dr. Landis to 2 hospitals and 1 group practice or clinic.
What is Dr. Ryan M. Landis' office phone number?
The practice phone on file for Dr. Landis is (423) 431-6111.
What is Dr. Ryan M. Landis' medical license number?
Dr. Landis holds Tennessee license 61132, one of the licenses on file in 2 states.
Which states has Dr. Ryan M. Landis been licensed in?
Dmand AI has state licenses on file for Dr. Landis in Tennessee and Connecticut.
Which hospitals is Dr. Ryan M. Landis affiliated with?
Dr. Landis is affiliated with Johnson City Medical Center. Dmand AI links Dr. Landis to 2 more hospitals.
What medical group is Dr. Ryan M. Landis part of?
Dr. Landis is linked to First Assist Urgent Care.
Does Dr. Ryan M. Landis accept Medicare?
Yes. CMS data shows Dr. Landis billed Medicare for 393 services in 2024, and Dr. Landis accepts Medicare assignment.
How many Medicare patients does Dr. Ryan M. Landis see?
CMS counts 265 Medicare patients who saw Dr. Landis in 2024, with an average age of 77.
Show 4 more questionsShow fewer questions
What services does Dr. Ryan M. Landis bill to Medicare?
In 2024, Dr. Landis' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and hospital inpatient care (99221).
What drugs does Dr. Ryan M. Landis prescribe most?
In 2016 Medicare Part D data, Dr. Landis' most prescribed drugs by claims were Hydrocodone-Acetaminophen and Oxycodone-Acetaminophen.
Has Dr. Ryan M. Landis received payments from drug or device companies?
CMS Open Payments shows $37 in general payments to Dr. Landis from 1 company from 2023 to 2023. The largest total came from TELA Bio, Inc.
How long has Dr. Ryan M. Landis been practicing?
Dr. Landis graduated from medical school in 2013, 13 years ago.
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