Katherine Root, MD
Internal Medicine Physician · Tyler, TX
Katherine Root, MD is an internal medicine physician with a practice address in Tyler, Texas, and NPI 1083932818, issued on May 4, 2010. Check the license (Texas P4701, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Katherine Root
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- P4701 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1000 E 5TH St, Tyler, TX 75701
- Phone
- (903) 596-3500
- Enumerated
- May 4, 2010
- Record last updated
- Feb 2, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1000 E 5TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Hardy, FNP-CFamily Nurse Practitioner1083149397
- Natalie Johnson, M.D.Internal Medicine Physician1356351977
- Marinel Munda, MDPediatrics Physician1881620433
Verify Katherine Root in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P4701Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
16 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $212.62
3 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Katherine Root among 9,175 internal medicine physician records in Texas
Katherine Root, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 58% of them.
- NPI issued2010 · 58% of these records are older, 40% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
146 internal medicine physician records list a practice address in Tyler
They are 146 of the 5,531 NPPES records with a practice address in Tyler, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Tyler → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Yvonne Baum, M.D.Tyler, TX 757011679572614
- Marcus Byrd, M.D.Tyler, TX 757011518930304
- Gene Earl, M.D.Tyler, TX 757011134122567
- Michael Gorby, M.D.Tyler, TX 757011366446049
- James Holleman, M.D.Tyler, TX 757011083692248
- Paul Lim, M.D.Tyler, TX 757011942288634
- Eric Madore, MDTyler, TX 757011982678884
- Aleksandra Olsson-Detwiler, M.D.Tyler, TX 757011740280510
Common questions
What is Katherine Root, MD's NPI number?
Katherine Root, MD's National Provider Identifier (NPI) is 1083932818, issued on May 4, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Root, MD located?
The NPPES record lists a practice address at 1000 E 5TH St, Tyler, TX, 75701. Phone: (903) 596-3500. Providers update this record themselves, so call before visiting.
How can I verify Katherine Root, MD's license?
NPPES lists Texas license number P4701, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Root, MD prescribe under Medicare Part D?
In 2024, Katherine Root, MD had 16 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.