Active NPI 1528268331 Individual Practitioner Male Practitioner

Dr. Sathish Karmegam , MD

Internal Medicine • Denton, TX

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Sathish Karmegam, MD is a certified Internal Medicine practicing in Denton, TX. With approximately 16 years of clinical experience since completing medical education in 2010, Dr. Karmegam delivers high-quality medical care to the local community at 3537 S INTERSTATE 35 E BLDG STE 320.

Dr. Karmegam is affiliated with Texan Primary Care Pllc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with moderate level of medical decision making, if using time, at least, hospital discharge day management, more than. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3537 S Interstate 35 E Bldg Ste 320

Denton, TX 762106800

Telephone 2148511777

Fax 8555764130

Medicare Profile & Education

Medical School

Other

Graduation Year

2010

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Denton, TX

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

16 Yrs -7.1 yrs vs City Avg

City Avg: 23.1 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

50 Specialists

Practicing in Denton, TX (9538 Statewide)

Telehealth Adoption Rate

18.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

82.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Karmegam (16 Years) 16 Yrs

Denton Specialty Average (23.1 Years) 23.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	514	201	$536.00	$112.80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	202	194	$1042.00	$164.74
99239 Hospital discharge day management, more than 30 minutes	162	159	$685.00	$108.69
93042 Interpretation and report of electrical activity of heart using 1-3 leads	86	53	$38.00	$6.42
99497 Advance care planning, first 30 minutes	40	39	$413.00	$71.91
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	31	26	$46.00	$7.71
99291 Critical care, first 30-74 minutes	26	11	$1157.00	$200.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	446	166	$536.00	$114.36
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	292	130	$373.00	$76.01
99239 Hospital discharge day management, more than 30 minutes	219	210	$685.00	$109.89
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	205	199	$1042.00	$166.69
93042 Interpretation and report of electrical activity of heart using 1-3 leads	54	32	$38.00	$6.52
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	39	35	$46.00	$7.82
99497 Advance care planning, first 30 minutes	29	28	$413.00	$72.50
99238 Hospital discharge day management, 30 minutes or less	26	26	$417.00	$77.51
99291 Critical care, first 30-74 minutes	18	13	$1157.00	$204.71
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	14	$708.00	$124.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	777	268	$536.00	$99.43
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	203	193	$1042.00	$191.92
99239 Hospital discharge day management, more than 30 minutes	183	182	$685.00	$101.92
93042 Interpretation and report of electrical activity of heart using 1-3 leads	75	35	$38.00	$6.72
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	44	27	$373.00	$69.41
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	38	37	$46.00	$8.10
99238 Hospital discharge day management, 30 minutes or less	33	33	$417.00	$70.00
99220 Hospital observation care, typically 70 minutes	11	11	$951.00	$173.87

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	685	234	$525.82	$101.42
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	159	151	$1018.14	$196.56
99239 Hospital discharge day management, more than 30 minutes	154	152	$685.00	$103.93
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	75	45	$364.80	$70.54
93042 Interpretation and report of electrical activity of heart using 1-3 leads	64	41	$38.00	$6.87
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	37	37	$46.00	$8.25
99238 Hospital discharge day management, 30 minutes or less	28	28	$417.00	$70.81
J2250 Injection, midazolam hydrochloride, per 1 mg	26	13	$15.00	$0.12
99220 Hospital observation care, typically 70 minutes	24	24	$951.00	$178.49
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	21	20	$15.00	$0.11
99217 Hospital observation care on day of discharge	19	17	$376.00	$70.81
93990 Ultrasound of dialysis access	17	17	$645.00	$131.04
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	14	14	$207.00	$52.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	473	74	$700.00	$289.97
J2250 Injection, midazolam hydrochloride, per 1 mg	274	111	$14.39	$0.12
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	247	80	$336.03	$104.43
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	238	101	$242.11	$73.63
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	231	185	$14.27	$0.11
90935 Hemodialysis procedure with physician evaluation	189	84	$240.65	$74.76
93990 Ultrasound of dialysis access	184	152	$636.68	$136.31
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	154	125	$150.98	$51.45
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	114	98	$3815.88	$1316.16
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	113	67	$600.00	$241.21
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	87	74	$496.78	$203.05
36901 Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretation	80	72	$2166.63	$690.11
J3010 Injection, fentanyl citrate, 0.1 mg	68	63	$11.82	$0.89
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	61	54	$415.80	$139.92
36907 Balloon dilation of dialysis segment with review by radiologist	45	38	$2049.17	$706.21
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes	45	29	$39.97	$10.69
37252 Ultrasound evaluation of blood vessel with review by radiologist, initial vessel	37	35	$3944.22	$1193.25
J0690 Injection, cefazolin sodium, 500 mg	29	16	$7.59	$0.79
99497 Advance care planning, first 30 minutes	27	19	$249.97	$79.77
36005 Injection for X-ray imaging procedure on veins of arm or leg	26	25	$1200.00	$370.82
J1644 Injection, heparin sodium, per 1000 units	26	13	$12.50	$0.24
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	15	$236.71	$105.73
90962 Dialysis services, 1 physician visit per month (20 years or older)	24	22	$500.00	$183.76
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	23	21	$200.00	$71.70
75827 Radiological supervision and interpretation of imaging of major chest vein	22	21	$550.32	$116.67
36589 Removal of central venous catheter for infusion	22	22	$621.91	$145.71
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	21	19	$676.66	$154.65
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	19	17	$300.00	$97.57
36215 Insertion of catheter into chest or arm artery	19	18	$3939.65	$666.43
93985 Complete ultrasound of artery and vein blood flow pre-op assessment on both sides of body for hemodialysis access	19	19	$794.74	$270.82
36581 Replacement of tunneled central venous tube	18	17	$2500.00	$503.61
99238 Hospital discharge day management, 30 minutes or less	16	16	$200.00	$74.38
J0360 Injection, hydralazine hcl, up to 20 mg	14	13	$12.29	$3.53
37248 Balloon dilation of first vein, accessed through the skin or by open procedure, with imaging including radiological supervision and interpretation	14	13	$4440.00	$1542.73
85610 Blood test, clotting time	12	12	$28.75	$4.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	399	60	$718.70	$285.46
J2250 Injection, midazolam hydrochloride, per 1 mg	381	176	$1.00	$0.12
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	329	262	$1.00	$0.12
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	230	188	$128.06	$50.82
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	197	76	$596.70	$236.99
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	196	117	$175.68	$70.88
J3010 Injection, fentanyl citrate, 0.1 mg	196	161	$2.00	$0.81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	193	90	$253.94	$102.57
93990 Ultrasound of dialysis access	187	156	$391.87	$133.92
90935 Hemodialysis procedure with physician evaluation	182	94	$178.45	$73.37
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	153	129	$3196.25	$1255.79
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes	125	61	$26.44	$10.49
36901 Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretation	78	72	$1623.04	$628.61
36005 Injection for X-ray imaging procedure on veins of arm or leg	59	33	$776.78	$232.70
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	55	46	$494.71	$199.25
36907 Balloon dilation of dialysis segment with review by radiologist	50	42	$1814.87	$719.40
J0690 Injection, cefazolin sodium, 500 mg	49	25	$4.00	$0.80
36215 Insertion of catheter into chest or arm artery	48	41	$2621.84	$540.75
G0365 Vessel mapping of vessels for hemodialysis access (services for preoperative vessel mapping prior to creation of hemodialysis access using an autogenous hemodialysis conduit, including arterial inflow and venous outflow)	48	27	$484.45	$122.26
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	48	41	$419.31	$155.75
36589 Removal of central venous catheter for infusion	44	44	$415.85	$153.91
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	40	32	$336.19	$129.41
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	39	30	$227.47	$96.23
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	38	35	$225.59	$89.90
99497 Advance care planning, first 30 minutes	36	29	$198.61	$78.96
99213 Established patient office or other outpatient visit, typically 15 minutes	36	35	$138.08	$60.63
36581 Replacement of tunneled central venous tube	35	34	$1908.11	$542.71
37252 Ultrasound evaluation of blood vessel with review by radiologist, initial vessel	33	31	$3184.90	$1260.39
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	33	33	$178.62	$71.07
75827 Radiological supervision and interpretation of imaging of major chest vein	32	32	$338.28	$133.11
93922 Ultrasound study of arm and leg arteries	30	30	$31.95	$12.71
90962 Dialysis services, 1 physician visit per month (20 years or older)	28	25	$477.44	$181.95
37248 Balloon dilation of first vein, accessed through the skin or by open procedure, with imaging including radiological supervision and interpretation	20	20	$3756.45	$1492.61
J0735 Injection, clonidine hydrochloride, 1 mg	19	12	$56.00	$12.91
36903 Insertion of needle and/or tube into hemodialysis circuit and insertion of stent in dialysis segment with review by radiologist	15	15	$13512.53	$5366.37
36905 Excision of blood clot and/or infusion to dissolve blood clot in dialysis circuit and balloon dilation of dialysis segment, , accessed through the skin, with imaging including radiological supervision and interpretation, with balloon catheter	14	14	$5925.03	$2352.94
J0360 Injection, hydralazine hcl, up to 20 mg	14	13	$12.00	$3.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	130	73	$222.95	$71.54
J2250 Injection, midazolam hydrochloride, per 1 mg	75	34	$1.00	$0.13
90935 Hemodialysis procedure with physician evaluation	65	39	$225.82	$71.18
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	53	53	$712.80	$281.28
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	44	41	$1.02	$0.12
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	39	37	$139.72	$50.92
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes	37	16	$30.37	$10.75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	35	18	$398.60	$101.75
J3010 Injection, fentanyl citrate, 0.1 mg	33	31	$2.00	$0.67
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	27	27	$3338.44	$1209.44
99213 Established patient office or other outpatient visit, typically 15 minutes	23	23	$168.19	$65.31
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	22	22	$909.63	$201.35
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	21	$491.05	$135.33
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	19	$287.33	$98.74

Medical Specialties & State Licenses

CMS Verified: 2025-06-26

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX R3694

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 - Nephrology

NUCC Taxonomy Code: 207RN0300X

State License TX R3694

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

532400 (AZ)

Medicaid State Provider ID

376051405 (TX)

Hospital & Practice Group Affiliations

Texan Primary Care Pllc

3537 S Interstate 35 E, Denton, TX 762106870

Phone: 2148511777

Practice Associates & Co-Workers

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

2 Associated Practitioners

Amy Nguyen , PA-C

Physician Assistant

NPI 1205579539

Physician Assistant (Certified)

Mollee Wallace , PA-C

Physician Assistant - Medical

NPI 1700068020

Physician Assistant (Certified)

Career & Practice History Timeline

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

21 Historical Events

📍

Updated Practice Location June 26, 2025

Registered at 3537 S INTERSTATE 35 E BLDG STE 320, DENTON, TX 762106800 (Tel: 2148511777)

📍

Updated Business Mailing Address June 26, 2025

Registered at 4147 BUCKNER AVE, IRVING, TX 750631218 (Tel: 7022739979)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 26, 2021

Internal Medicine (License #R3694 in TX)

📍

Updated Practice Location November 26, 2019

Registered at 1001 PENNSYLVANIA AVE, FORT WORTH, TX 761042228 (Tel: 8178775858)

📍

Updated Practice Location March 25, 2019

Registered at 6000 COLLEYVILLE BLVD STE 150, COLLEYVILLE, TX 760348024 (Tel: 8178775858)

📍

Updated Practice Location October 22, 2018

Registered at 1001 PENNSYLVANIA AVE, FORT WORTH, TX 761042228 (Tel: 8178775858)

📍

Updated Business Mailing Address October 22, 2018

Registered at 1000 W CANNON ST, FORT WORTH, TX 761043029 (Tel: 8177257900)

📍

Updated Practice Location September 17, 2018

Registered at 1350 S MAIN ST STE 3200, FORT WORTH, TX 76104 (Tel: 8177021215)

📍

Updated Business Mailing Address September 17, 2018

Registered at PO BOX 732973, DALLAS, TX 753732973 (Tel: 8177028450)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 17, 2018

Internal Medicine (License #R3694 in TX)

✅

NPI Profile Active October 20, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location October 20, 2017

Registered at 1441 N BECKLEY AVE, DALLAS, TX 752031201 (Tel: 2149471730)

📍

Updated Business Mailing Address October 20, 2017

Registered at 8624 AUGUSTINE RD, IRVING, TX 750633932 (Tel: 7022739979)

👤

Provider Name / Credentials Updated October 20, 2017

Recorded as SATHISH KARMEGAM, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 20, 2017

Internal Medicine (License #307388 in LA)

✅

NPI Profile Active April 22, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location April 22, 2016

Registered at 1501 N CAMPBELL AVE, TUCSON, AZ 857240011 (Tel: 5206940111)

📍

Updated Business Mailing Address April 22, 2016

Registered at 2701 E ELVIRA RD, TUCSON, AZ 857567124 (Tel: 5208743500)

👤

Provider Name / Credentials Updated April 22, 2016

Recorded as SATHISH KARMEGAM, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 22, 2016

Internal Medicine (License #43346 in AZ)

🟢

Initial NPI Registration & Enumeration July 19, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1528268331

Entity Type:

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

Enumeration Date: July 19, 2007

Last Update: June 26, 2025

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

4147 Buckner Ave

Irving, TX 750631218

Phone: 7022739979

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.