Active NPI 1265632731 Individual Practitioner Male Practitioner

Dr. Martyn Knowles , MD

Surgery • Raleigh, NC

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Martyn Knowles, MD is a certified Surgery practicing in Raleigh, NC. With approximately 19 years of clinical experience since completing medical education in 2007, Dr. Knowles delivers high-quality medical care to the local community at 4414 LAKE BOONE TRL.

Dr. Knowles maintains professional affiliations with North Carolina Nephrology Pa, North Carolina Mg Llc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, ultrasound study of arm and leg arteries, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4414 Lake Boone Trl
Suite 108

Raleigh, NC 276077513

Telephone 9193979772

Associated Practice Facility / Clinic

🏢 Mid-Carolina Ob/gyn Facility NPI 1457311870

Medicare Profile & Education

Medical School

Other

Graduation Year

2007

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Raleigh, NC

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

19 Yrs -3.4 yrs vs City Avg

City Avg: 22.4 Yrs

State Avg: 24.9 Yrs

Regional Practice Density

85 Specialists

Practicing in Raleigh, NC (1222 Statewide)

Telehealth Adoption Rate

16.5% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

75.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Knowles (19 Years) 19 Yrs

Raleigh Specialty Average (22.4 Years) 22.4 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	228	187	$277.54	$118.98
93922 Ultrasound study of arm and leg arteries	170	123	$324.00	$62.28
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	124	124	$307.00	$103.94
93880 Ultrasound of both sides of head and neck blood flow	93	83	$544.00	$172.87
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	83	69	$446.00	$107.14
93970 Ultrasound study of arm or leg veins with compression and maneuvers	76	73	$727.00	$170.34
36471 Injection of chemical agent into multiple incompetent veins of leg	64	23	$677.42	$178.21
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	63	23	$223.00	$52.73
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	60	60	$80.00	$19.61
93926 Ultrasound of one leg arteries or artery grafts	56	42	$517.00	$116.90
93925 Ultrasound of leg arteries or artery grafts	55	47	$965.00	$218.94
93970 Ultrasound study of arm or leg veins with compression and maneuvers	47	47	$122.00	$30.49
99213 Established patient office or other outpatient visit, typically 15 minutes	47	47	$200.66	$83.86
76937 Ultrasonic guidance for blood vessel access	45	37	$51.00	$12.89
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	45	39	$168.00	$11.25
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	44	41	$448.00	$102.06
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	40	38	$574.00	$160.05
93880 Ultrasound of both sides of head and neck blood flow	26	26	$141.00	$35.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	23	23	$459.00	$156.40
75625 Radiological supervision and interpretation X-ray of abdominal aorta	22	21	$225.00	$61.91
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	19	$479.11	$121.63
93926 Ultrasound of one leg arteries or artery grafts	18	18	$86.00	$21.37
93976 Ultrasound limited scan of abdominal, pelvic, and/or scrotal arterial inflow and venous outflow	17	16	$576.00	$131.53
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	16	14	$4422.00	$937.22
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	14	13	$277.00	$75.80
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	13	11	$231.00	$73.71
93990 Ultrasound of dialysis access	13	11	$458.00	$117.96
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$590.09	$161.44

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	307	220	$278.28	$119.00
93922 Ultrasound study of arm and leg arteries	152	107	$315.32	$65.73
93880 Ultrasound of both sides of head and neck blood flow	83	77	$557.37	$174.82
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	80	67	$434.45	$110.25
93970 Ultrasound study of arm or leg veins with compression and maneuvers	76	73	$122.61	$31.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	74	74	$320.84	$105.20
93970 Ultrasound study of arm or leg veins with compression and maneuvers	68	66	$708.50	$174.85
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	66	58	$435.59	$104.60
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	55	53	$80.58	$20.34
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	53	53	$482.11	$154.70
76937 Ultrasonic guidance for blood vessel access	47	38	$51.43	$12.90
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	47	42	$157.00	$11.55
99213 Established patient office or other outpatient visit, typically 15 minutes	40	37	$196.00	$85.41
93925 Ultrasound of leg arteries or artery grafts	38	30	$944.42	$219.61
36471 Injection of chemical agent into multiple incompetent veins of leg	36	13	$659.00	$186.87
93926 Ultrasound of one leg arteries or artery grafts	36	29	$509.50	$118.85
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	33	13	$400.55	$55.14
93880 Ultrasound of both sides of head and neck blood flow	31	31	$141.90	$36.51
75625 Radiological supervision and interpretation X-ray of abdominal aorta	28	25	$215.14	$61.27
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	25	21	$263.08	$74.89
93976 Ultrasound limited scan of abdominal, pelvic, and/or scrotal arterial inflow and venous outflow	24	16	$560.25	$132.84
93926 Ultrasound of one leg arteries or artery grafts	21	19	$86.48	$21.71
99441 Telephone medical discussion with physician, 5-10 minutes	21	20	$122.14	$43.58
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	21	$469.90	$120.41
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	18	18	$584.28	$165.64
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	16	14	$224.44	$67.07
37228 Balloon dilation of artery of leg, initial vessel	16	12	$14986.25	$456.87
37224 Balloon dilation of arteries in one leg, endovascular, accessed through the skin or open procedure	15	14	$10540.80	$327.01
93925 Ultrasound of leg arteries or artery grafts	12	12	$141.33	$35.63
93922 Ultrasound study of arm and leg arteries	11	11	$45.00	$11.52

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	270	185	$278.87	$123.24
99213 Established patient office or other outpatient visit, typically 15 minutes	99	80	$196.00	$86.19
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	68	68	$506.40	$157.70
99441 Telephone medical discussion with physician, 5-10 minutes	64	56	$120.00	$53.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	57	57	$337.26	$106.95
36471 Injection of chemical agent into multiple incompetent veins of leg	56	17	$666.70	$194.66
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	55	44	$149.00	$12.22
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	48	14	$502.00	$56.21
76937 Ultrasonic guidance for blood vessel access	44	33	$52.00	$13.39
93922 Ultrasound study of arm and leg arteries	40	40	$309.00	$66.75
75625 Radiological supervision and interpretation X-ray of abdominal aorta	33	28	$202.00	$66.46
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	26	22	$248.00	$81.08
93880 Ultrasound of both sides of head and neck blood flow	24	24	$574.00	$180.68
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	21	21	$427.00	$107.18
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	17	12	$4281.00	$1070.82
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	15	14	$425.00	$114.33
93925 Ultrasound of leg arteries or artery grafts	15	15	$919.00	$232.13
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	14	$452.79	$130.19
34705 Repair of non-ruptured aorta and groin arteries on both sides with graft inserted through artery, including radiological supervision and interpretation	11	11	$5330.00	$1404.05
37252 Ultrasound evaluation of blood vessel with review by radiologist, initial vessel	11	11	$4493.00	$85.44

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	344	225	$271.76	$125.30
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	92	92	$495.54	$162.37
99441 Telephone medical discussion with physician, 5-10 minutes	67	57	$112.10	$54.35
99213 Established patient office or other outpatient visit, typically 15 minutes	64	55	$185.61	$88.34
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$333.82	$108.39
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	44	28	$212.05	$69.82
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	44	41	$455.52	$132.04
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	44	41	$147.23	$12.21
36471 Injection of chemical agent into multiple incompetent veins of leg	38	15	$598.42	$194.44
76937 Ultrasonic guidance for blood vessel access	36	32	$52.00	$13.63
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	31	20	$4105.00	$1231.83
37253 Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel	26	13	$657.14	$64.69
75625 Radiological supervision and interpretation X-ray of abdominal aorta	25	22	$204.88	$67.33
37224 Balloon dilation of arteries in one leg, endovascular, accessed through the skin or open procedure	23	21	$10324.22	$318.22
99442 Telephone medical discussion with physician, 11-20 minutes	23	22	$168.61	$88.98
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	22	20	$252.36	$82.57
37252 Ultrasound evaluation of blood vessel with review by radiologist, initial vessel	16	16	$4268.35	$78.70
99231 Follow-up hospital inpatient care per day, typically 15 minutes	14	14	$115.57	$37.34
35301 Removal of blood clot and portion of artery of neck	12	12	$3700.42	$1047.30

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	245	176	$176.66	$72.59
36471 Injection of chemical agent into multiple incompetent veins of leg	70	20	$588.93	$193.23
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	61	29	$4023.41	$1287.86
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	59	50	$260.69	$105.61
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	56	48	$146.43	$12.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	55	55	$323.18	$104.12
76937 Ultrasonic guidance for blood vessel access	54	43	$51.56	$14.30
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	44	40	$434.86	$135.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$481.10	$158.50
75625 Radiological supervision and interpretation X-ray of abdominal aorta	38	32	$188.32	$68.93
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	36	30	$255.50	$84.71
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	34	21	$66.00	$22.03
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	33	19	$215.00	$70.87
99442 Telephone medical discussion with physician, 11-20 minutes	28	26	$134.29	$72.48
37224 Balloon dilation of arteries in one leg, endovascular, accessed through the skin or open procedure	24	20	$10219.00	$304.21
99441 Telephone medical discussion with physician, 5-10 minutes	22	22	$79.55	$43.63
99443 Telephone medical discussion with physician, 21-30 minutes	16	15	$161.00	$105.29
75774 Radiological supervision and interpretation of imaging of artery	14	11	$105.14	$48.15
37228 Balloon dilation of artery of leg, initial vessel	14	14	$15549.64	$532.42
37252 Ultrasound evaluation of blood vessel with review by radiologist, initial vessel	13	13	$4438.85	$89.95

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	257	185	$163.95	$70.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	88	88	$301.75	$102.48
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	69	44	$213.26	$70.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	67	59	$246.96	$103.92
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	64	53	$147.58	$11.99
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	63	63	$463.60	$157.07
76937 Ultrasonic guidance for blood vessel access	63	53	$51.00	$14.10
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	55	41	$58.55	$21.50
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	52	51	$422.35	$132.17
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	45	24	$4230.44	$1359.30
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	36	32	$251.39	$83.33
75625 Radiological supervision and interpretation X-ray of abdominal aorta	35	32	$162.80	$53.79
85610 Blood test, clotting time	35	18	$15.00	$4.28
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	21	14	$303.95	$100.49
37228 Balloon dilation of artery of leg, initial vessel	19	14	$14368.26	$501.50
37224 Balloon dilation of arteries in one leg, endovascular, accessed through the skin or open procedure	19	17	$10108.47	$319.28
75774 Radiological supervision and interpretation of imaging of artery	16	11	$51.75	$16.81
34705 Repair of non-ruptured aorta and groin arteries on both sides with graft inserted through artery, including radiological supervision and interpretation	15	15	$3920.63	$1211.79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	15	15	$527.73	$195.29
35286 Repair of blood vessel of leg with graft	15	15	$4441.37	$667.03
34713 Exposure of one groin artery for delivery of graft, accessed through the skin	14	14	$466.31	$135.36
37252 Ultrasound evaluation of blood vessel with review by radiologist, initial vessel	12	11	$4413.00	$82.87
75716 Review by radiologist of both arms or legs arteries image	11	11	$283.18	$93.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	229	166	$155.92	$69.15
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	86	86	$440.94	$156.67
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	85	69	$229.86	$101.92
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	74	38	$212.91	$70.50
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	71	59	$147.07	$12.23
76937 Ultrasonic guidance for blood vessel access	65	54	$50.11	$14.09
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	62	62	$400.87	$130.65
37253 Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel	53	21	$222.00	$71.51
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	48	39	$49.00	$20.54
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	46	39	$174.22	$83.33
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	46	46	$277.52	$101.55
85610 Blood test, clotting time	45	16	$17.00	$4.64
75625 Radiological supervision and interpretation X-ray of abdominal aorta	40	35	$165.50	$54.05
37252 Ultrasound evaluation of blood vessel with review by radiologist, initial vessel	26	24	$1364.30	$87.66
75774 Radiological supervision and interpretation of imaging of artery	22	16	$52.82	$16.79
37224 Balloon dilation of arteries in one leg, endovascular, accessed through the skin or open procedure	21	18	$10313.77	$299.66
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	20	12	$4333.60	$1423.65
35301 Removal of blood clot and portion of artery of neck	18	16	$3375.06	$1098.17
36830 Connection of tube graft to vein and artery for dialysis	15	12	$1991.00	$646.50
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	13	11	$306.46	$101.01
37228 Balloon dilation of artery of leg, initial vessel	13	11	$14591.10	$531.26
99221 Initial hospital inpatient care per day, typically 30 minutes	13	13	$277.15	$97.75
99238 Hospital discharge day management, 30 minutes or less	12	11	$214.00	$70.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	202	140	$155.45	$69.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	128	109	$229.55	$102.62
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	84	84	$390.00	$155.16
76937 Ultrasonic guidance for blood vessel access	74	53	$49.53	$14.07
85610 Blood test, clotting time	70	21	$17.00	$5.28
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	64	47	$147.00	$11.98
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	64	33	$48.28	$19.11
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	54	42	$167.48	$54.46
37253 Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel	52	20	$221.46	$72.53
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	51	51	$392.80	$132.16
75625 Radiological supervision and interpretation X-ray of abdominal aorta	49	38	$166.00	$54.14
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	45	31	$211.80	$69.82
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$233.14	$102.78
75774 Radiological supervision and interpretation of imaging of artery	28	21	$53.00	$17.10
37252 Ultrasound evaluation of blood vessel with review by radiologist, initial vessel	26	22	$873.08	$90.02
37224 Balloon dilation of arteries in one leg, endovascular, accessed through the skin or open procedure	25	20	$10307.60	$340.66
99231 Follow-up hospital inpatient care per day, typically 15 minutes	25	19	$116.00	$37.92
35286 Repair of blood vessel of leg with graft	15	15	$3211.95	$708.35
37228 Balloon dilation of artery of leg, initial vessel	15	13	$14697.60	$481.66
36830 Connection of tube graft to vein and artery for dialysis	15	15	$2001.00	$652.93
36832 Revision of dialysis graft, open procedure	14	14	$2279.57	$740.15
36200 Insertion of catheter into aorta	14	13	$2295.86	$85.67
34802 Repair of bulging (aneurysm) or tear in abdominal aorta	13	13	$2254.50	$480.36
99221 Initial hospital inpatient care per day, typically 30 minutes	13	13	$265.31	$97.70
36821 Relocation of arm vein with connection to arm artery, open procedure	11	11	$1999.64	$649.21

Medical Specialties & State Licenses

CMS Verified: 2021-04-01

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License NC 2015-00304

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery - Vascular Surgery

NUCC Taxonomy Code: 2086S0129X

State License NC 2015-00304

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Hospital & Practice Group Affiliations

North Carolina Nephrology Pa

3031 New Bern Ave, Raleigh, NC 276102989

Phone: 9197477820

North Carolina Mg Llc

4414 Lake Boone Trl, Raleigh, NC 276077521

Phone: 9197842300

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Olusegun Osinbowale , MD

Internal Medicine

NPI 1114065547

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 01, 2021

Surgery (License #2015-00304 in NC)

✅

NPI Profile Active April 22, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location April 22, 2015

Registered at 4414 LAKE BOONE TRL, SUITE 108, RALEIGH, NC 276077513 (Tel: 9193979772)

📍

Updated Business Mailing Address April 22, 2015

Registered at 4414 LAKE BOONE TRL, SUITE 108, RALEIGH, NC 276077513

👤

Provider Name / Credentials Updated April 22, 2015

Recorded as MARTYN KNOWLES, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 22, 2015

Surgery (License #2015-00304 in NC)

🟢

Initial NPI Registration & Enumeration July 23, 2007

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: 1265632731

Entity Type:

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

Enumeration Date: July 23, 2007

Last Update: April 01, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

4414 Lake Boone Trl, Suite 108

Raleigh, NC 276077513

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.