Active NPI 1003819913 Individual Practitioner Male Practitioner

Dr. Mark B Renfro , MD

Neurological Surgery • Tyler, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Renfro, MD is a certified Neurological Surgery practicing in Tyler, TX. With approximately 36 years of clinical experience since graduating from University Of Florida College Of Medicine in 1990, Dr. Renfro delivers high-quality medical care to the local community at 700 OLYMPIC PLAZA CIR.

Dr. Renfro is affiliated with Tyler Neurosurgical Associates, P.A. and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

700 Olympic Plaza Cir
Ste 850

Tyler, TX 757011955

Telephone 9035952441

Fax 9035950743

Associated Practice Facility / Clinic

🏢 Tyler Obstetrics And Gynecology L L P Facility NPI 1265493266

Medicare Profile & Education

Medical School

University Of Florida College Of Medicine

Graduation Year

1990

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Neurological Surgery in Tyler, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

36 Yrs +10.7 yrs vs City Avg

City Avg: 25.3 Yrs

State Avg: 25.0 Yrs

Regional Practice Density

13 Specialists

Practicing in Tyler, TX (703 Statewide)

Telehealth Adoption Rate

23.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

77.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Renfro (36 Years) 36 Yrs

Tyler Specialty Average (25.3 Years) 25.3 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
99213 Established patient office or other outpatient visit, typically 15 minutes	95	72	$240.00	$86.07
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	70	70	$344.00	$107.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	51	46	$340.00	$122.70
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	47	46	$525.00	$165.85
63048 Partial removal of spine bone with release of spinal cord and/or nerves	45	26	$1749.35	$197.53
99291 Critical care, first 30-74 minutes	44	24	$428.00	$203.89
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	32	20	$678.56	$200.04
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	27	27	$5486.00	$880.34
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$495.00	$160.16
22614 Fusion of additional segment of spine	23	16	$1439.57	$302.52
22842 Placement of stabilizing device to back, 3-6 spine bone segments	19	19	$3791.82	$662.14
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	15	15	$4645.20	$1359.22
22612 Fusion of spine in lower back	14	14	$6093.00	$1524.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	71	71	$495.00	$160.59
99213 Established patient office or other outpatient visit, typically 15 minutes	56	51	$240.00	$87.12
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	53	32	$822.50	$237.88
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	41	34	$340.00	$123.36
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$344.00	$107.89
63048 Partial removal of spine bone with release of spinal cord and/or nerves	22	16	$1779.00	$198.85
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	21	20	$5530.00	$1594.81
22552 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc	19	14	$1290.00	$361.43
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	18	18	$5486.00	$940.92
22840 Placement of stabilizing device to back of 1 spine bone in neck	14	14	$3315.00	$716.58
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	14	$350.00	$125.84
99221 Initial hospital inpatient care per day, typically 30 minutes	14	14	$260.00	$80.10
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	13	$144.00	$54.41
99291 Critical care, first 30-74 minutes	13	11	$428.00	$206.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	55	55	$495.00	$161.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	49	48	$340.00	$122.95
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	43	25	$761.29	$221.13
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	36	35	$5371.71	$773.33
99213 Established patient office or other outpatient visit, typically 15 minutes	36	33	$240.00	$86.34
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$344.00	$108.41
99221 Initial hospital inpatient care per day, typically 30 minutes	27	27	$260.00	$96.04
99291 Critical care, first 30-74 minutes	24	16	$428.00	$209.91
22840 Placement of stabilizing device to back of 1 spine bone in neck	24	23	$3211.38	$684.53
22612 Fusion of spine in lower back	21	20	$6093.00	$1502.48
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	19	$144.00	$54.61
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	19	19	$5297.16	$1525.78
22552 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc	18	11	$1175.33	$333.27
63048 Partial removal of spine bone with release of spinal cord and/or nerves	15	13	$1690.05	$185.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	72	58	$240.00	$89.05
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	65	65	$495.00	$163.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	58	58	$344.00	$108.11
99221 Initial hospital inpatient care per day, typically 30 minutes	45	45	$260.00	$97.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	39	35	$340.00	$126.50
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	31	30	$5486.00	$823.92
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	25	21	$144.00	$54.77
63048 Partial removal of spine bone with release of spinal cord and/or nerves	23	17	$1779.00	$199.18
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	20	15	$822.50	$243.75
99231 Follow-up hospital inpatient care per day, typically 15 minutes	19	16	$119.00	$37.20
22612 Fusion of spine in lower back	14	14	$6093.00	$1515.44
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	13	13	$5530.00	$1575.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	77	77	$337.73	$104.61
99213 Established patient office or other outpatient visit, typically 15 minutes	71	64	$219.58	$72.89
63048 Partial removal of spine bone with release of spinal cord and/or nerves	42	27	$1556.63	$177.49
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	42	24	$806.83	$248.26
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	41	41	$4783.52	$806.98
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	38	33	$137.89	$44.00
99221 Initial hospital inpatient care per day, typically 30 minutes	38	38	$260.00	$99.65
99231 Follow-up hospital inpatient care per day, typically 15 minutes	38	25	$119.00	$38.51
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	35	35	$495.97	$160.59
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	33	32	$346.36	$106.36
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	26	$350.00	$131.47
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	23	23	$5530.00	$1662.63
22552 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc	18	14	$1290.00	$388.43
22612 Fusion of spine in lower back	14	14	$5440.14	$1366.72
22842 Placement of stabilizing device to back, 3-6 spine bone segments	12	11	$4121.00	$748.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	118	118	$275.00	$104.49
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	113	89	$115.00	$43.34
99231 Follow-up hospital inpatient care per day, typically 15 minutes	55	34	$119.00	$38.49
99213 Established patient office or other outpatient visit, typically 15 minutes	52	50	$190.00	$70.65
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	41	41	$350.00	$133.81
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	31	30	$4955.10	$681.08
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	30	21	$668.97	$205.36
63048 Partial removal of spine bone with release of spinal cord and/or nerves	30	20	$1601.10	$185.34
99221 Initial hospital inpatient care per day, typically 30 minutes	28	28	$260.00	$99.03
22614 Fusion of additional segment of spine	23	12	$1439.57	$315.81
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	22	22	$481.82	$197.72
99202 New patient office or other outpatient visit, typically 20 minutes	19	19	$195.00	$73.64
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	19	19	$4831.47	$1453.04
61886 Insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays	18	18	$2650.00	$830.55
95970 Electronic analysis of implanted brain, spinal cord or peripheral stimulation device	17	17	$205.00	$18.68
22612 Fusion of spine in lower back	16	15	$6093.00	$1559.70
22842 Placement of stabilizing device to back, 3-6 spine bone segments	11	11	$4121.00	$755.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	111	111	$275.00	$102.77
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	93	80	$115.00	$41.39
99221 Initial hospital inpatient care per day, typically 30 minutes	65	65	$260.00	$98.84
63048 Partial removal of spine bone with release of spinal cord and/or nerves	64	35	$1362.05	$153.20
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	56	56	$4530.85	$684.13
99213 Established patient office or other outpatient visit, typically 15 minutes	46	45	$190.00	$69.97
99231 Follow-up hospital inpatient care per day, typically 15 minutes	44	32	$119.00	$38.33
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	33	23	$583.23	$171.19
22612 Fusion of spine in lower back	25	25	$5179.00	$1244.01
99202 New patient office or other outpatient visit, typically 20 minutes	24	24	$194.69	$72.23
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	24	24	$3871.00	$1141.61
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	22	22	$350.00	$133.52
22840 Placement of stabilizing device to back of 1 spine bone in neck	18	18	$3176.83	$696.16
61886 Insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays	17	17	$2650.00	$819.02
22552 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc	11	11	$820.91	$241.57
22842 Placement of stabilizing device to back, 3-6 spine bone segments	11	11	$2983.82	$521.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	132	109	$110.00	$41.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	108	108	$275.00	$100.52
99221 Initial hospital inpatient care per day, typically 30 minutes	78	77	$260.00	$98.39
99213 Established patient office or other outpatient visit, typically 15 minutes	68	67	$184.74	$69.58
99231 Follow-up hospital inpatient care per day, typically 15 minutes	51	34	$116.06	$38.12
63048 Partial removal of spine bone with release of spinal cord and/or nerves	47	25	$1561.36	$162.94
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	45	26	$720.14	$222.14
99202 New patient office or other outpatient visit, typically 20 minutes	41	41	$187.50	$71.32
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	36	36	$4800.25	$828.95
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	29	29	$4309.59	$1278.85
61886 Insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays	25	24	$2494.12	$809.00
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	24	24	$350.00	$132.61
22552 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc	21	17	$1142.57	$343.83

Medical Specialties & State Licenses

CMS Verified: 2025-03-21

Neurological Surgery Primary Specialty

NUCC Taxonomy Code: 207T00000X

State License TX K3425

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

118431902 (TX)

Hospital & Practice Group Affiliations

Tyler Neurosurgical Associates, P.a.

700 Olympic Plaza Cir, Tyler, TX 757011955

Phone: 9035952441

Practice Associates & Co-Workers

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

10 Associated Practitioners

Dr. Jon Ledlie , MD

Neurological Surgery

NPI 1033112941

Doctor of Medicine (M.D.)

Kylie Carimi , APRN, FNP-C

Nurse Practitioner

NPI 1174276737

Advanced Practice Registered Nurse, Family Nurse Practitioner (Certified)

Amanda Shipp , NP

Nurse Practitioner

NPI 1336757228

Nurse Practitioner

Rachael Phillips , FNP-C

Nurse Practitioner - Family

NPI 1346056645

Family Nurse Practitioner (Certified)

Dr. Paul Detwiler , MD

Neurological Surgery

NPI 1447253356

Doctor of Medicine (M.D.)

Dr. Thomas Grahm , MD

Neurological Surgery

NPI 1568465474

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 700 OLYMPIC PLAZA CIR, STE 850, TYLER, TX 757011955 (Tel: 9035952441)

📍

Updated Business Mailing Address July 08, 2007

Registered at 700 OLYMPIC PLAZA CIR, STE 850, TYLER, TX 757011955 (Tel: 9035952441)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as MARK RENFRO, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Neurological Surgery (License #K3425 in TX)

🟢

Initial NPI Registration & Enumeration May 24, 2005

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: 1003819913

Entity Type:

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

Enumeration Date: May 24, 2005

Last Update: March 21, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

700 Olympic Plaza Cir, Ste 850

Tyler, TX 757011955

Phone: 9035952441

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

⚠️ Medical Disclaimer

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