Active NPI 1295775542 Individual Practitioner Male Practitioner

Dr. Thomas E. Barker , MD

Internal Medicine • Fort Worth, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Barker, MD is a certified Internal Medicine practicing in Fort Worth, TX. With approximately 30 years of clinical experience since graduating from Washington University School Of Medicine in 1996, Dr. Barker delivers high-quality medical care to the local community at 5801 OAKBEND TRL STE 220.

Dr. Barker is affiliated with Medical Clinic Of North Texas, Pllc and accepts Medicare assignment.

Frequently performed procedures and clinical services include insertion of needle into vein for collection of blood sample, blood test, comprehensive group of blood chemicals, complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

5801 Oakbend Trl Ste 220

Fort Worth, TX 761323916

Telephone 8173464327

Fax 8173464436

Associated Practice Facility / Clinic

🏢 Texas Health Family Care Facility NPI 1366374670

Medicare Profile & Education

Medical School

Washington University School Of Medicine

Graduation Year

1996

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Fort Worth, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

30 Yrs +9.2 yrs vs City Avg

City Avg: 20.8 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

396 Specialists

Practicing in Fort Worth, TX (9538 Statewide)

Telehealth Adoption Rate

17.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

52.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Barker (30 Years) 30 Yrs

Fort Worth Specialty Average (20.8 Years) 20.8 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
36415 Insertion of needle into vein for collection of blood sample	359	299	$10.03	$8.65
80053 Blood test, comprehensive group of blood chemicals	336	306	$29.00	$10.35
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	320	302	$22.00	$7.61
80061 Blood test, lipids (cholesterol and triglycerides)	308	292	$37.00	$13.12
84443 Blood test, thyroid stimulating hormone (TSH)	304	290	$48.00	$16.46
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	284	284	$240.52	$127.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	226	187	$219.00	$125.34
81001 Manual urinalysis test with examination using microscope, automated	188	168	$9.00	$3.10
81003 Automated urinalysis test	144	137	$7.00	$2.20
83036 Hemoglobin A1C level	130	95	$27.00	$9.52
99213 Established patient office or other outpatient visit, typically 15 minutes	130	126	$150.00	$89.77
82570 Creatinine level to test for kidney function or muscle injury	64	62	$15.00	$5.08
82044 Urine microalbumin (protein) analysis	64	62	$13.00	$6.11
83970 Parathormone (parathyroid hormone) level	63	62	$114.00	$40.45
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	56	56	$570.50	$288.47
G0009 Administration of pneumococcal vaccine	56	56	$59.00	$31.92
G0444 Annual depression screening, 5 to 15 minutes	53	53	$37.00	$18.60
G0008 Administration of influenza virus vaccine	50	49	$51.00	$31.92
82306 Vitamin d-3 level	46	45	$75.00	$29.01
84153 Psa (prostate specific antigen) measurement, total	31	31	$51.00	$18.02
84439 Thyroxine (thyroid chemical), free	28	25	$25.00	$8.84
80048 Blood test, basic group of blood chemicals (calcium, total)	24	23	$24.00	$8.29
82607 Cyanocobalamin (vitamin B-12) level	22	22	$42.00	$14.78
90661 Influenza vaccine, trivalent derived from cell cultures	21	21	$76.00	$35.87
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	20	20	$340.00	$161.90
G0103 Prostate cancer screening; prostate specific antigen test (psa)	18	18	$51.00	$18.92
87086 Bacterial colony count, urine	18	13	$24.00	$7.91
90471 Administration of 1 vaccine	18	18	$54.00	$20.29
86140 Measurement C-reactive protein for detection of infection or inflammation	16	15	$15.00	$5.08
90653 Vaccine for influenza for injection into muscle	15	15	$177.93	$81.82
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	14	14	$46.00	$33.49
85652 Red blood cell sedimentation rate, to detect inflammation, automated	14	13	$8.00	$2.65
83540 Iron level	11	11	$18.00	$6.34
83550 Iron binding capacity	11	11	$24.00	$8.57
82728 Ferritin (blood protein) level	11	11	$38.00	$13.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	560	377	$10.00	$8.39
80053 Blood test, comprehensive group of blood chemicals	370	330	$29.00	$10.35
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	355	331	$22.00	$7.61
84443 Blood test, thyroid stimulating hormone (TSH)	346	329	$48.00	$16.46
80061 Blood test, lipids (cholesterol and triglycerides)	334	325	$37.00	$13.12
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	312	312	$240.24	$127.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	277	221	$219.27	$125.15
81003 Automated urinalysis test	186	186	$7.00	$2.20
99213 Established patient office or other outpatient visit, typically 15 minutes	150	145	$150.00	$87.74
83036 Hemoglobin A1C level	147	105	$27.00	$9.52
81001 Manual urinalysis test with examination using microscope, automated	144	137	$9.00	$3.11
82044 Urine microalbumin (protein) analysis	76	74	$13.00	$6.11
82570 Creatinine level to test for kidney function or muscle injury	76	74	$15.00	$5.08
83970 Parathormone (parathyroid hormone) level	76	74	$114.00	$40.45
G0008 Administration of influenza virus vaccine	38	38	$51.00	$30.30
82306 Vitamin d-3 level	38	37	$75.00	$29.01
82607 Cyanocobalamin (vitamin B-12) level	37	35	$42.00	$14.78
80048 Blood test, basic group of blood chemicals (calcium, total)	36	31	$24.00	$8.29
G0009 Administration of pneumococcal vaccine	34	34	$59.00	$30.30
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	34	34	$568.00	$282.75
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	34	34	$46.00	$33.22
G0103 Prostate cancer screening; prostate specific antigen test (psa)	33	33	$51.00	$18.92
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	31	31	$340.00	$162.56
85652 Red blood cell sedimentation rate, to detect inflammation, automated	28	28	$8.00	$2.65
86140 Measurement C-reactive protein for detection of infection or inflammation	25	25	$15.00	$5.08
84439 Thyroxine (thyroid chemical), free	19	18	$25.00	$8.84
90471 Administration of 1 vaccine	17	17	$54.00	$20.02
84153 Psa (prostate specific antigen) measurement, total	15	15	$51.00	$18.02
86803 Hepatitis c antibody measurement	13	13	$40.00	$13.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	619	444	$10.00	$2.96
80053 Blood test, comprehensive group of blood chemicals	391	346	$29.00	$10.42
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	364	338	$22.00	$7.66
80061 Blood test, lipids (cholesterol and triglycerides)	353	334	$37.00	$13.21
84443 Blood test, thyroid stimulating hormone (TSH)	353	333	$48.00	$16.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	305	248	$219.00	$125.91
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	302	302	$240.49	$129.73
81003 Automated urinalysis test	185	182	$7.00	$2.22
81001 Manual urinalysis test with examination using microscope, automated	155	145	$9.00	$3.11
83036 Hemoglobin A1C level	142	93	$27.00	$9.59
99213 Established patient office or other outpatient visit, typically 15 minutes	90	83	$150.00	$87.64
82570 Creatinine level to test for kidney function or muscle injury	72	66	$15.00	$5.12
82044 Urine microalbumin (protein) analysis	71	66	$13.00	$6.16
83970 Parathormone (parathyroid hormone) level	68	62	$114.00	$40.77
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	45	45	$46.00	$31.52
G0008 Administration of influenza virus vaccine	44	44	$51.00	$29.30
G0103 Prostate cancer screening; prostate specific antigen test (psa)	39	39	$51.00	$19.01
82607 Cyanocobalamin (vitamin B-12) level	38	33	$42.00	$14.88
85652 Red blood cell sedimentation rate, to detect inflammation, automated	34	33	$8.00	$2.66
84153 Psa (prostate specific antigen) measurement, total	33	33	$51.00	$18.20
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	30	30	$340.00	$165.91
82306 Vitamin d-3 level	28	28	$75.00	$29.23
84439 Thyroxine (thyroid chemical), free	26	24	$25.00	$8.63
86140 Measurement C-reactive protein for detection of infection or inflammation	20	20	$15.00	$5.12
80048 Blood test, basic group of blood chemicals (calcium, total)	17	16	$24.00	$8.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	884	697	$10.00	$2.99
80053 Blood test, comprehensive group of blood chemicals	400	341	$29.00	$10.56
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	372	337	$22.00	$7.77
84443 Blood test, thyroid stimulating hormone (TSH)	348	330	$48.00	$16.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	348	274	$219.00	$130.17
80061 Blood test, lipids (cholesterol and triglycerides)	329	319	$37.00	$13.39
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	318	318	$241.40	$133.82
81003 Automated urinalysis test	192	188	$7.00	$2.25
83036 Hemoglobin A1C level	145	97	$27.00	$9.71
99213 Established patient office or other outpatient visit, typically 15 minutes	143	134	$150.00	$91.00
81001 Manual urinalysis test with examination using microscope, automated	135	131	$9.00	$3.17
83970 Parathormone (parathyroid hormone) level	66	62	$114.00	$41.28
82570 Creatinine level to test for kidney function or muscle injury	65	65	$15.00	$5.18
84153 Psa (prostate specific antigen) measurement, total	65	63	$51.00	$18.39
82044 Urine microalbumin (protein) analysis	65	65	$13.00	$6.23
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	40	40	$46.00	$29.85
G0008 Administration of influenza virus vaccine	40	40	$51.00	$16.95
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	34	31	$295.00	$182.87
82306 Vitamin d-3 level	33	30	$75.00	$29.60
82607 Cyanocobalamin (vitamin B-12) level	31	29	$42.00	$15.08
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	22	22	$340.00	$170.71
80048 Blood test, basic group of blood chemicals (calcium, total)	15	13	$24.00	$8.46
G0009 Administration of pneumococcal vaccine	13	13	$59.00	$16.89
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	13	13	$198.00	$113.93
84439 Thyroxine (thyroid chemical), free	12	11	$25.00	$9.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	541	370	$10.00	$2.96
80053 Blood test, comprehensive group of blood chemicals	413	340	$29.00	$10.44
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	352	320	$22.00	$7.71
84443 Blood test, thyroid stimulating hormone (TSH)	340	321	$48.00	$16.63
80061 Blood test, lipids (cholesterol and triglycerides)	332	318	$37.00	$13.29
99213 Established patient office or other outpatient visit, typically 15 minutes	325	284	$150.00	$74.41
81001 Manual urinalysis test with examination using microscope, automated	317	304	$9.00	$3.13
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	304	304	$240.79	$117.30
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	212	145	$219.00	$108.93
83036 Hemoglobin A1C level	145	94	$27.00	$9.65
G0008 Administration of influenza virus vaccine	90	89	$51.00	$16.71
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	83	83	$46.00	$29.23
G0103 Prostate cancer screening; prostate specific antigen test (psa)	73	73	$51.00	$19.19
82570 Creatinine level to test for kidney function or muscle injury	63	63	$15.00	$5.15
82044 Urine microalbumin (protein) analysis	63	63	$13.00	$6.19
82306 Vitamin d-3 level	59	56	$75.00	$29.01
83970 Parathormone (parathyroid hormone) level	58	58	$114.00	$41.09
G0009 Administration of pneumococcal vaccine	37	37	$59.00	$16.64
82607 Cyanocobalamin (vitamin B-12) level	33	29	$42.00	$13.80
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	31	31	$198.00	$118.63
85652 Red blood cell sedimentation rate, to detect inflammation, automated	26	24	$8.00	$2.60
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	24	24	$340.00	$168.82
81003 Automated urinalysis test	23	23	$7.00	$2.25
86140 Measurement C-reactive protein for detection of infection or inflammation	23	23	$15.00	$4.96
84439 Thyroxine (thyroid chemical), free	21	17	$25.00	$8.97
80048 Blood test, basic group of blood chemicals (calcium, total)	20	19	$24.00	$8.03
82728 Ferritin (blood protein) level	15	12	$38.00	$13.58
83550 Iron binding capacity	14	11	$24.00	$8.70
83540 Iron level	14	11	$18.00	$6.44
84153 Psa (prostate specific antigen) measurement, total	13	12	$51.00	$18.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	638	402	$10.00	$2.94
80053 Blood test, comprehensive group of blood chemicals	499	375	$29.00	$11.49
99213 Established patient office or other outpatient visit, typically 15 minutes	497	377	$150.00	$73.64
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	454	374	$22.00	$8.44
80061 Blood test, lipids (cholesterol and triglycerides)	394	352	$37.00	$14.58
84443 Blood test, thyroid stimulating hormone (TSH)	385	349	$48.00	$18.21
81001 Manual urinalysis test with examination using microscope, automated	378	347	$9.00	$3.43
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	299	299	$240.12	$116.62
83036 Hemoglobin A1C level	195	112	$27.00	$10.57
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	152	121	$219.00	$108.33
G0008 Administration of influenza virus vaccine	101	97	$51.00	$16.41
90662 Influenza vaccine split virus, preservative free	96	92	$86.00	$54.57
82044 Urine microalbumin (protein) analysis	79	74	$13.00	$6.11
82570 Creatinine level to test for kidney function or muscle injury	79	74	$15.00	$5.63
G0103 Prostate cancer screening; prostate specific antigen test (psa)	71	71	$51.00	$20.03
82306 Vitamin d-3 level	62	56	$75.00	$32.23
G0009 Administration of pneumococcal vaccine	53	50	$59.00	$16.41
83970 Parathormone (parathyroid hormone) level	53	49	$114.00	$44.22
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	33	33	$340.00	$166.90
82607 Cyanocobalamin (vitamin B-12) level	30	26	$42.00	$16.41
85652 Red blood cell sedimentation rate, to detect inflammation, automated	29	26	$8.00	$2.94
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	29	29	$198.00	$110.18
80048 Blood test, basic group of blood chemicals (calcium, total)	28	25	$24.00	$9.21
90670 Pneumococcal vaccine for injection into muscle	24	24	$386.00	$209.35
86140 Measurement C-reactive protein for detection of infection or inflammation	24	21	$15.00	$5.63
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	22	22	$360.00	$172.15
83550 Iron binding capacity	18	17	$24.00	$9.52
84153 Psa (prostate specific antigen) measurement, total	18	18	$51.00	$20.03
93000 Routine ekg using at least 12 leads including interpretation and report	17	15	$51.00	$16.98
82728 Ferritin (blood protein) level	17	16	$38.00	$14.85
84439 Thyroxine (thyroid chemical), free	16	15	$25.00	$9.82
83540 Iron level	15	15	$18.00	$7.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	635	407	$10.00	$2.94
99213 Established patient office or other outpatient visit, typically 15 minutes	539	386	$150.00	$71.89
80053 Blood test, comprehensive group of blood chemicals	497	386	$29.00	$12.75
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	462	380	$22.00	$9.40
80061 Blood test, lipids (cholesterol and triglycerides)	390	348	$37.00	$16.15
81001 Manual urinalysis test with examination using microscope, automated	389	349	$9.00	$3.83
84443 Blood test, thyroid stimulating hormone (TSH)	384	349	$48.00	$20.28
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	287	287	$240.00	$115.40
83036 Hemoglobin A1C level	180	111	$27.00	$11.69
G0008 Administration of influenza virus vaccine	123	121	$51.00	$20.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	119	98	$219.00	$105.49
90662 Influenza vaccine split virus, preservative free	119	118	$86.00	$51.98
82044 Urine microalbumin (protein) analysis	79	71	$13.00	$6.11
82570 Creatinine level to test for kidney function or muscle injury	78	70	$15.00	$6.26
G0009 Administration of pneumococcal vaccine	63	61	$59.00	$20.22
G0103 Prostate cancer screening; prostate specific antigen test (psa)	57	57	$51.00	$22.26
85610 Blood test, clotting time	43	11	$11.00	$4.75
82306 Vitamin d-3 level	40	35	$75.00	$35.82
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	31	31	$198.00	$105.59
90670 Pneumococcal vaccine for injection into muscle	29	29	$386.00	$198.90
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	29	29	$340.00	$164.73
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	28	28	$360.00	$169.85
83970 Parathormone (parathyroid hormone) level	28	24	$114.00	$49.94
93000 Routine ekg using at least 12 leads including interpretation and report	26	26	$51.00	$16.70
85652 Red blood cell sedimentation rate, to detect inflammation, automated	26	25	$8.00	$3.26
86140 Measurement C-reactive protein for detection of infection or inflammation	24	23	$15.00	$6.26
80048 Blood test, basic group of blood chemicals (calcium, total)	23	19	$24.00	$10.23
83550 Iron binding capacity	22	18	$24.00	$10.57
82728 Ferritin (blood protein) level	22	18	$38.00	$16.49
83540 Iron level	21	17	$18.00	$7.83
84439 Thyroxine (thyroid chemical), free	17	14	$25.00	$10.91
84153 Psa (prostate specific antigen) measurement, total	15	12	$51.00	$22.26
82607 Cyanocobalamin (vitamin B-12) level	14	12	$42.00	$18.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	712	414	$10.00	$2.93
99213 Established patient office or other outpatient visit, typically 15 minutes	568	399	$149.38	$72.02
80053 Blood test, comprehensive group of blood chemicals	524	394	$29.00	$11.77
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	509	391	$22.00	$10.43
80061 Blood test, lipids (cholesterol and triglycerides)	410	365	$37.00	$14.16
81001 Manual urinalysis test with examination using microscope, automated	384	356	$9.00	$4.26
84443 Blood test, thyroid stimulating hormone (TSH)	379	352	$47.37	$22.53
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	296	296	$240.00	$113.91
83036 Hemoglobin A1C level	190	109	$27.00	$13.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	121	94	$219.00	$105.75
G0008 Administration of influenza virus vaccine	111	110	$51.00	$25.11
90662 Influenza vaccine split virus, preservative free	110	109	$85.29	$47.71
82044 Urine microalbumin (protein) analysis	83	76	$13.00	$6.15
82570 Creatinine level to test for kidney function or muscle injury	83	75	$15.00	$6.96
G0009 Administration of pneumococcal vaccine	80	79	$59.00	$25.11
G0103 Prostate cancer screening; prostate specific antigen test (psa)	68	68	$51.00	$24.73
93000 Routine ekg using at least 12 leads including interpretation and report	47	47	$51.00	$16.82
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	46	46	$193.30	$95.35
80048 Blood test, basic group of blood chemicals (calcium, total)	37	30	$24.00	$11.13
90670 Pneumococcal vaccine for injection into muscle	37	37	$381.65	$186.64
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	32	32	$339.50	$163.88
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	30	30	$360.00	$168.76
85652 Red blood cell sedimentation rate, to detect inflammation, automated	26	23	$8.00	$3.50
86140 Measurement C-reactive protein for detection of infection or inflammation	25	22	$15.00	$6.70
83540 Iron level	23	18	$18.00	$8.70
82306 Vitamin d-3 level	23	19	$75.00	$36.53
82728 Ferritin (blood protein) level	22	19	$38.00	$18.33
83550 Iron binding capacity	22	18	$24.00	$11.75
84439 Thyroxine (thyroid chemical), free	16	14	$25.00	$12.12
86803 Hepatitis c antibody measurement	13	13	$39.46	$19.18
G0403 Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report	12	12	$42.00	$16.89
83970 Parathormone (parathyroid hormone) level	12	12	$113.75	$55.49

Medical Specialties & State Licenses

CMS Verified: 2026-08-07

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX K2641

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

038577501 (TX)

Medicaid State Provider ID

038577502 (TX)

Commercial Insurance / Payer ID Railroad Medicare

110204703 (TX)

Hospital & Practice Group Affiliations

Medical Clinic Of North Texas, Pllc

809 W Randol Mill Rd, Arlington, TX 760122507

Phone: 8174600257

Medical Clinic Of North Texas, Pllc

900 Airport Fwy, Hurst, TX 760543253

Phone: 8175144000

Secondary Practice Locations

811 Interstate 20 W, Suite 120

Arlington, TX 760175870

Phone: 8174683393

Practice Associates & Co-Workers

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

4 Associated Practitioners

Niveen Joulani , PA

Physician Assistant

NPI 1043966039

Physician Assistant

Claudia Guillen , NP

Nurse Practitioner - Family

NPI 1417404955

Nurse Practitioner

Dr. Dolores King , MD

Internal Medicine

NPI 1780619486

Doctor of Medicine (M.D.)

Hsiuhui Chien , FNP

Nurse Practitioner - Family

NPI 1902146780

Family Nurse Practitioner

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location August 07, 2026

Registered at 5801 OAKBEND TRL STE 220, FORT WORTH, TX 761323916 (Tel: 8173464327)

📍

Updated Business Mailing Address August 07, 2026

Registered at 811 W I 20 STE 120, ARLINGTON, TX 760175871 (Tel: 8174683393)

✅

NPI Profile Active June 07, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location June 07, 2013

Registered at 811 INTERSTATE 20 W, SUITE 120, ARLINGTON, TX 760175870 (Tel: 8174683393)

📍

Updated Business Mailing Address June 07, 2013

Registered at 811 W I-20, SUITE 120, ARLINGTON, TX 760175870 (Tel: 8174683393)

👤

Provider Name / Credentials Updated June 07, 2013

Recorded as THOMAS BARKER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 07, 2013

Internal Medicine (License #K2641 in TX)

🟢

Initial NPI Registration & Enumeration June 07, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

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NPI Administrative Meta

NPI Number: 1295775542

Entity Type:

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

Enumeration Date: June 07, 2006

Last Update: August 07, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

811 W I 20 Ste 120

Arlington, TX 760175871

Phone: 8174683393

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.