Active NPI 1083932818 Individual Practitioner Female Practitioner

Dr. Katherine Root , MD

Internal Medicine • Tyler, TX

Professional Overview & Biography Verified Profile Summary

Dr. Katherine Root, MD is a registered healthcare professional specializing in Internal Medicine in Tyler, TX. Practice services are available at 1000 E 5TH ST under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count, manual urinalysis test with examination using microscope, non-automated. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1000 E 5th St
Suite 400

Tyler, TX 757013346

Telephone 9035963500

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Tyler, TX

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 21.1 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

148 Specialists

Practicing in Tyler, TX (9538 Statewide)

Telehealth Adoption Rate

9.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

44.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2021)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	88	75	$237.73	$126.80
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	64	57	$40.00	$7.77
81000 Manual urinalysis test with examination using microscope, non-automated	58	54	$25.00	$4.02
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	51	51	$154.00	$129.51
83036 Hemoglobin A1C level	45	41	$50.00	$9.71
99213 Established patient office or other outpatient visit, typically 15 minutes	39	35	$159.23	$89.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	230	163	$159.91	$72.87
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	219	169	$40.00	$7.69
81001 Manual urinalysis test with examination using microscope, automated	162	137	$20.00	$3.15
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	156	156	$154.00	$113.95
83036 Hemoglobin A1C level	127	99	$50.00	$9.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	92	75	$238.00	$103.34
G0008 Administration of influenza virus vaccine	49	49	$25.35	$16.21
G0009 Administration of pneumococcal vaccine	32	32	$25.53	$16.15
87804 Detection test by immunoassay with direct visual observation for influenza virus	28	13	$57.00	$16.29
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	27	27	$108.67	$61.00
81000 Manual urinalysis test with examination using microscope, non-automated	25	23	$25.00	$3.99
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	21	21	$40.00	$19.49
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	20	20	$231.00	$165.06
90670 Pneumococcal vaccine for injection into muscle	17	17	$345.00	$225.48
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	15	15	$178.92	$116.58
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	15	15	$130.00	$52.15
G2012 Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic	14	13	$40.00	$12.98
93000 Routine ekg using at least 12 leads including interpretation and report	14	14	$100.00	$16.60
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	12	$96.00	$44.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	449	230	$160.00	$71.70
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	179	179	$154.00	$113.50
J1100 Injection, dexamethasone sodium phosphate, 1 mg	121	26	$12.00	$0.12
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	117	111	$40.00	$8.46
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	99	83	$238.00	$105.18
81001 Manual urinalysis test with examination using microscope, automated	84	79	$20.00	$3.42
83036 Hemoglobin A1C level	74	70	$50.00	$10.57
G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow	53	23	$225.00	$104.22
G0009 Administration of pneumococcal vaccine	41	41	$25.00	$15.90
81000 Manual urinalysis test with examination using microscope, non-automated	40	35	$25.00	$3.94
G0008 Administration of influenza virus vaccine	38	38	$25.00	$15.90
93000 Routine ekg using at least 12 leads including interpretation and report	35	35	$100.00	$16.48
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	32	28	$34.50	$15.95
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	26	26	$171.54	$110.22
71046 X-ray of chest, 2 views	25	22	$68.00	$18.96
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	19	19	$40.00	$18.65
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	17	17	$316.00	$167.91
90662 Influenza vaccine split virus, preservative free	16	16	$70.00	$54.89
90670 Pneumococcal vaccine for injection into muscle	15	15	$332.20	$209.02
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	13	13	$130.00	$51.87
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	12	$96.00	$43.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	448	229	$160.00	$70.04
36415 Insertion of needle into vein for collection of blood sample	434	237	$20.00	$2.92
81001 Manual urinalysis test with examination using microscope, automated	266	202	$20.00	$3.83
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	233	192	$40.00	$9.30
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	192	192	$154.00	$112.32
83036 Hemoglobin A1C level	146	103	$50.00	$11.68
G0008 Administration of influenza virus vaccine	94	94	$25.00	$19.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	84	74	$238.00	$103.95
90653 Vaccine for influenza for injection into muscle	82	82	$70.00	$53.58
J1100 Injection, dexamethasone sodium phosphate, 1 mg	72	17	$12.00	$0.12
93000 Routine ekg using at least 12 leads including interpretation and report	69	69	$100.00	$16.32
G0009 Administration of pneumococcal vaccine	67	67	$25.00	$19.51
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	40	40	$150.00	$105.59
G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow	30	18	$225.00	$99.25
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	26	24	$25.00	$19.64
90670 Pneumococcal vaccine for injection into muscle	25	25	$297.00	$195.63
71046 X-ray of chest, 2 views	19	18	$65.26	$18.82
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	18	$96.00	$42.13
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	12	12	$50.00	$23.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	589	257	$131.04	$68.94
36415 Insertion of needle into vein for collection of blood sample	562	272	$20.00	$2.94
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	148	148	$154.00	$110.49
81001 Manual urinalysis test with examination using microscope, automated	132	115	$20.00	$4.23
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	128	113	$40.00	$10.37
93000 Routine ekg using at least 12 leads including interpretation and report	98	90	$100.00	$16.14
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	97	84	$209.05	$102.04
G0009 Administration of pneumococcal vaccine	86	86	$25.00	$23.91
G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow	85	27	$225.00	$103.89
83036 Hemoglobin A1C level	76	73	$50.00	$12.90
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	74	64	$84.93	$41.50
J1100 Injection, dexamethasone sodium phosphate, 1 mg	67	16	$12.00	$0.12
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	48	48	$150.00	$96.33
G0008 Administration of influenza virus vaccine	46	45	$25.00	$23.91
90670 Pneumococcal vaccine for injection into muscle	36	36	$297.00	$185.64
71020 X-ray of chest, 2 views, front and side	35	32	$94.00	$15.74
90653 Vaccine for influenza for injection into muscle	33	33	$70.00	$49.22
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	29	21	$100.00	$39.45
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	26	25	$130.00	$51.34
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	25	19	$25.00	$22.31
72100 X-ray of lower and sacral spine, 2-3 views	19	18	$105.00	$21.98
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	13	13	$231.00	$152.84
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	12	12	$316.00	$163.57

Medical Specialties & State Licenses

CMS Verified: 2026-02-02

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX P4701

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Internal Medicine - Adolescent Medicine

NUCC Taxonomy Code: 207RA0000X

State License TX P4701

An internist who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.

Secondary Practice Locations

2231 W Gentry Pkwy

Tyler, TX 757022809

Phone: 9035359041

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

11 Associated Practitioners

David Hardy , FNP-C

Nurse Practitioner - Family

NPI 1083149397

Family Nurse Practitioner (Certified)

Dr. Sujatha White , MD

Internal Medicine

NPI 1184649691

Doctor of Medicine (M.D.)

Dr. Stephen Rydzak , MD

Internal Medicine

NPI 1184656555

Doctor of Medicine (M.D.)

Dr. Natalie Johnson , MD

Internal Medicine

NPI 1356351977

Doctor of Medicine (M.D.)

Dr. Cory Cummings , MD

Family Medicine

NPI 1366821928

Doctor of Medicine (M.D.)

Dr. Nghia Truong , MD

Internal Medicine

NPI 1407876626

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 02, 2026

Internal Medicine (License #P4701 in TX)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 20, 2022

Internal Medicine (License #P4701 in TX)

✅

NPI Profile Active October 08, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location October 08, 2013

Registered at 1000 E 5TH ST, SUITE 400, TYLER, TX 757013346 (Tel: 9035963500)

📍

Updated Business Mailing Address October 08, 2013

Registered at 1000 E 5TH ST, SUITE 400, TYLER, TX 757013346 (Tel: 9035963500)

👤

Provider Name / Credentials Updated October 08, 2013

Recorded as KATHERINE ROOT, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 08, 2013

Specialist (License #P4701 in TX)

🟢

Initial NPI Registration & Enumeration May 04, 2010

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1083932818

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: May 04, 2010

Last Update: February 02, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1000 E 5th St, Suite 400

Tyler, TX 757013346

Phone: 9035963500

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.