Dr. Robert Clifton Knizley Jr., MD
- Medicare services, 2024
- 687
- Medicare patients, 2024
- 200
- Part D claims, 2024
- 124
- Hospital affiliations
- 2
- Industry payments
- $81
- Practice address
- 315 Oak St Box 550, Livingston, TN 38570
- Practice phone
- Call (931) 823-5611
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Knizley's 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. Robert Clifton Knizley Jr. is an internist in Livingston, Tennessee
Dr. Knizley practices at Livingston Regional Hospital in Livingston, Tennessee, part of Lifepoint Health.
Dr. Knizley's NPI, 1952501983, was assigned on July 18, 2007. Dr. Knizley graduated from University of South Alabama College of Medicine in 2004. Dr. Knizley holds Alabama license 29469.
- NPI
- 1952501983NPI Registry (opens in a new tab)
- NPI enumeration date
- July 18, 2007
- NPI status
- Active
- Practice phone
- (931) 823-5611
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert Clifton Knizley Jr. practices at Livingston Regional Hospital in Livingston, Tennessee
Dr. Knizley's primary practice is Livingston Regional Hospital, at 315 Oak St Box 550, Livingston, TN 38570 in Overton County. The practice phone is (931) 823-5611.
- Livingston Regional Hospital315 Oak St Box 550, Livingston, TN 38570 · Overton CountyPhone(931) 823-5611
Source: Dmand AI Affiliation Data
Dr. Robert Clifton Knizley Jr. is affiliated with 2 sites of care and 8 medical groups
Dr. Knizley's primary practice is Livingston Regional Hospital in Livingston, Tennessee, part of Lifepoint Health. Dr. Knizley is also affiliated with Select Specialty Hospital - Madison. The medical group on file is Hospital Medicine Services of Tennessee. Dmand AI also links Dr. Knizley to 7 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Clifton Knizley Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Knizley practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Livingston Regional Hospital | Available with a free account |
| +1 more site and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Clifton Knizley Jr. is one of 2,427 internists in Tennessee
Internal medicine is Dr. Knizley's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Knizley's licenses on file in 2 states: Alabama and Wisconsin.
Specialties and state licenses
- Internal medicine, AlabamaPrimary
- Wisconsin license
Internists near Dr. Knizley
Counts of internists 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. Robert Clifton Knizley Jr. billed Medicare for 687 services in 2024
CMS data shows 687 Medicare services from Dr. Knizley across 6 procedure codes in 2024, for 200 Medicare patients. Medicare paid $52,020 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Knizley's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0842024: 68737%
Dr. Knizley compared with the Tennessee median for internists, 2024
- Dr. Knizley
- Tennessee median
- Medicare services
- 687vs 671Close to median
- Medicare patients
- 200vs 22210% below
- Part D claims
- 12vs 33496% below
Medians across 2,462 internists in Tennessee with Dmand AI profiles that report each measure.
Dr. Knizley's 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. Knizley and other internists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Clifton Knizley Jr. treated 200 Medicare patients in 2024, average age 78
CMS counts 200 Medicare patients who saw Dr. Knizley in 2024. The largest group is 75 to 84, with 94 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 2.16, 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. Knizley's median patient age at 45, with 63% women.
Dr. Knizley's Medicare patients by age, 2024
Dr. Knizley's Medicare patients by sex, 2024
- Women12060%
- Men8040%
Chronic conditions among Dr. Knizley's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Anxiety62%
- Arthritis62%
- Mood disorders62%
- Depression56%
- Heart failure53%
- Alzheimer's and dementia52%
Share of Medicare patients with each condition. A patient can have several.
Dr. Knizley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women63%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Clifton Knizley Jr. wrote 124 Medicare Part D claims in 2024
In 2024, Dr. Knizley wrote 124 Medicare Part D claims for 70 patients. 93% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $18 in total drug cost. In 2023, CMS named 127 claims across 6 drugs.
Dr. Knizley's Part D claims by kind of drug, 2024
- Generic115 claims93%
- Brand-name and other9 claims7%
Dr. Knizley's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Knizley's Part D claims, 2024
- Antibiotics42%52 of 124 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1272024: 1291%
Drugs named by CMS: 1 in 2024, 6 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Robert Clifton Knizley Jr. received $81 in industry payments from 2016 to 2017
CMS Open Payments shows 7 general payments to Dr. Knizley from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $54.
General payments to Dr. Knizley by program year, 2016 to 2017
Companies that paid Dr. Knizley the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Clifton Knizley Jr. graduated from University of South Alabama College of Medicine
Dr. Knizley graduated from University of South Alabama College of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Clifton Knizley Jr.'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Robert Clifton Knizley Jr.
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. Robert Clifton Knizley Jr.'s NPI number?
Dr. Robert Clifton Knizley Jr.'s NPI number is 1952501983. It was assigned on July 18, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Clifton Knizley Jr.?
Dr. Robert Clifton Knizley Jr. is an internist in Livingston, Tennessee. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert Clifton Knizley Jr. practice?
Dr. Knizley practices at 315 Oak St Box 550, Livingston, TN 38570. Dr. Knizley's primary practice is Livingston Regional Hospital in Livingston, Tennessee, part of Lifepoint Health. Dmand AI also links Dr. Knizley to 7 medical groups.
What is Dr. Robert Clifton Knizley Jr.'s office phone number?
The practice phone on file for Dr. Knizley is (931) 823-5611.
What is Dr. Robert Clifton Knizley Jr.'s medical license number?
Dr. Knizley holds Alabama license 29469, one of the licenses on file in 2 states.
Which states has Dr. Robert Clifton Knizley Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Knizley in Alabama and Wisconsin.
Which hospitals is Dr. Robert Clifton Knizley Jr. affiliated with?
Dr. Knizley practices at Livingston Regional Hospital in Livingston, Tennessee. Dr. Knizley is also affiliated with Select Specialty Hospital - Madison.
What medical group is Dr. Robert Clifton Knizley Jr. part of?
Dr. Knizley is linked to Hospital Medicine Services of Tennessee. Dmand AI links Dr. Knizley to 7 more medical groups.
Does Dr. Robert Clifton Knizley Jr. accept Medicare?
Yes. CMS data shows Dr. Knizley billed Medicare for 687 services in 2024.
How many Medicare patients does Dr. Robert Clifton Knizley Jr. see?
CMS counts 200 Medicare patients who saw Dr. Knizley in 2024, with an average age of 78.
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What services does Dr. Robert Clifton Knizley Jr. bill to Medicare?
In 2024, Dr. Knizley's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99239).
Where did Dr. Robert Clifton Knizley Jr. go to medical school?
Dr. Knizley graduated from University of South Alabama College of Medicine in 2004.
What drugs does Dr. Robert Clifton Knizley Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Knizley's most prescribed drugs by claims were Prednisone.
Has Dr. Robert Clifton Knizley Jr. received payments from drug or device companies?
CMS Open Payments shows $81 in general payments to Dr. Knizley from 2 companies from 2016 to 2017. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Robert Clifton Knizley Jr. been practicing?
Dr. Knizley graduated from medical school in 2004, 22 years ago.
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