Active NPI 1699917047 Individual Practitioner Male Practitioner

Dr. Ashwin Viswanathan , MD

Neurological Surgery • Houston, TX

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Ashwin Viswanathan, MD is a certified Neurological Surgery practicing in Houston, TX. With approximately 23 years of clinical experience since graduating from Baylor College Of Medicine in 2003, Dr. Viswanathan delivers high-quality medical care to the local community at 1709 DRYDEN RD.

Dr. Viswanathan is affiliated with Baylor College Of Medicine and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include new patient outpatient office visit, insertion of brain neurostimulator pulse device with connection to, established 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

1709 Dryden Rd
Suite 750

Houston, TX 770302400

Telephone 7132138181

Associated Practice Facility / Clinic

🏢 Allied Dental Associates, Inc. Facility NPI 1831246149

Medicare Profile & Education

Medical School

Baylor College Of Medicine

Graduation Year

2003

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Neurological Surgery in Houston, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

23 Yrs +0.6 yrs vs City Avg

City Avg: 22.4 Yrs

State Avg: 25.0 Yrs

Regional Practice Density

177 Specialists

Practicing in Houston, TX (703 Statewide)

Telehealth Adoption Rate

31.6% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

79.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Viswanathan (23 Years) 23 Yrs

Houston 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
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	67	67	$465.00	$172.00
61886 Insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays	45	45	$4756.28	$884.28
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	34	29	$355.00	$131.33
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	21	$362.00	$134.00
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$311.00	$114.57
61863 Removal of skull bone with computer-assisted insertion of neurostimulator electrodes in brain, first array	19	19	$12034.11	$2444.82
62362 Implantation or replacement of programmable spinal canal drug infusion pump	17	17	$2045.65	$267.61
99213 Established patient office or other outpatient visit, typically 15 minutes	14	14	$252.00	$93.17
62350 Implantation, revision, or repositioning of spinal canal medication catheter	14	14	$2069.00	$421.45

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	84	84	$311.00	$113.99
99213 Established patient office or other outpatient visit, typically 15 minutes	41	36	$250.00	$87.91
61886 Insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays	36	36	$4605.76	$897.83
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	26	25	$354.00	$122.36
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$461.00	$167.21
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	21	$361.00	$133.71
61863 Removal of skull bone with computer-assisted insertion of neurostimulator electrodes in brain, first array	17	16	$11272.72	$2253.48
62362 Implantation or replacement of programmable spinal canal drug infusion pump	17	17	$1976.00	$262.60
61885 Insertion of brain neurostimulator pulse device with connection to single electrode array	13	12	$2747.00	$539.30
63685 Insertion of spinal neurostimulator pulse generator or receiver	12	11	$1852.00	$220.64

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	106	106	$312.00	$116.63
99213 Established patient office or other outpatient visit, typically 15 minutes	58	50	$253.00	$91.97
62362 Implantation or replacement of programmable spinal canal drug infusion pump	33	31	$1966.00	$271.63
61886 Insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays	28	28	$4434.00	$902.58
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	26	26	$281.00	$105.61
62350 Implantation, revision, or repositioning of spinal canal medication catheter	25	23	$2071.36	$412.16
61863 Removal of skull bone with computer-assisted insertion of neurostimulator electrodes in brain, first array	16	16	$10900.56	$2258.85
63685 Insertion of spinal neurostimulator pulse generator or receiver	15	15	$1831.00	$213.77
61070 Aspiration or injection of cerebrospinal fluid shunt tubing or reservoir	13	11	$279.18	$34.07

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	$300.00	$117.73
99213 Established patient office or other outpatient visit, typically 15 minutes	41	40	$245.00	$94.62
63650 Implantation of spinal neurostimulator electrodes, accessed through the skin	36	17	$2043.00	$328.90
61886 Insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays	27	27	$4251.00	$883.33
62362 Implantation or replacement of programmable spinal canal drug infusion pump	23	23	$2001.57	$259.35
63685 Insertion of spinal neurostimulator pulse generator or receiver	19	19	$1784.00	$211.96
62350 Implantation, revision, or repositioning of spinal canal medication catheter	18	17	$2422.79	$408.88
61885 Insertion of brain neurostimulator pulse device with connection to single electrode array	16	12	$2569.00	$419.55
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	16	16	$271.00	$107.07
61863 Removal of skull bone with computer-assisted insertion of neurostimulator electrodes in brain, first array	15	15	$10716.93	$2315.73

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	52	52	$307.00	$112.57
61886 Insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays	36	35	$4489.00	$850.47
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	35	32	$310.00	$113.30
62362 Implantation or replacement of programmable spinal canal drug infusion pump	33	31	$2015.00	$307.60
99213 Established patient office or other outpatient visit, typically 15 minutes	26	24	$214.00	$78.40
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	26	24	$66.00	$24.31
99202 New patient office or other outpatient visit, typically 20 minutes	24	24	$217.00	$77.56
61070 Aspiration or injection of cerebrospinal fluid shunt tubing or reservoir	23	21	$299.00	$31.71
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$468.00	$169.95
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	21	21	$298.00	$109.63
63685 Insertion of spinal neurostimulator pulse generator or receiver	15	14	$1975.80	$255.23
62350 Implantation, revision, or repositioning of spinal canal medication catheter	14	13	$2131.39	$409.79
61863 Removal of skull bone with computer-assisted insertion of neurostimulator electrodes in brain, first array	11	11	$11791.50	$2386.47

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	81	81	$465.00	$166.47
63650 Implantation of spinal neurostimulator electrodes, accessed through the skin	40	18	$2352.90	$326.47
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	40	35	$308.00	$110.94
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$306.00	$107.97
61886 Insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays	28	27	$4478.00	$841.24
63685 Insertion of spinal neurostimulator pulse generator or receiver	28	27	$1985.30	$243.19
62362 Implantation or replacement of programmable spinal canal drug infusion pump	28	28	$2022.90	$235.97
62350 Implantation, revision, or repositioning of spinal canal medication catheter	25	25	$2091.00	$406.61
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	17	16	$293.59	$106.30
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	16	$412.00	$148.62
99213 Established patient office or other outpatient visit, typically 15 minutes	14	12	$210.00	$72.15
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$255.17	$78.12
61867 Removal of skull bone with computer-assisted insertion of neurostimulator electrodes in brain with recording, first array	12	12	$17965.87	$3521.22

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	61	61	$306.00	$109.53
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	51	43	$125.00	$44.56
63650 Implantation of spinal neurostimulator electrodes, accessed through the skin	32	14	$2156.00	$318.21
61885 Insertion of brain neurostimulator pulse device with connection to single electrode array	23	17	$2700.00	$438.87
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	22	22	$576.00	$206.13
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	20	$306.00	$102.39
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$467.00	$166.79
63685 Insertion of spinal neurostimulator pulse generator or receiver	17	17	$1900.00	$208.93
61886 Insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays	16	16	$4439.00	$655.15
62362 Implantation or replacement of programmable spinal canal drug infusion pump	16	16	$2066.06	$236.27
62350 Implantation, revision, or repositioning of spinal canal medication catheter	15	15	$2542.13	$373.70
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$384.00	$128.82
61867 Removal of skull bone with computer-assisted insertion of neurostimulator electrodes in brain with recording, first array	11	11	$16933.05	$3332.20
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	11	11	$297.00	$105.95

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	35	35	$570.00	$198.66
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	29	29	$305.00	$108.90
63650 Implantation of spinal neurostimulator electrodes, accessed through the skin	24	11	$2147.00	$312.16
61886 Insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays	23	23	$4435.00	$796.92
61885 Insertion of brain neurostimulator pulse device with connection to single electrode array	22	14	$2701.00	$398.61
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	17	$123.00	$43.93
63685 Insertion of spinal neurostimulator pulse generator or receiver	15	15	$1906.00	$225.06
62362 Implantation or replacement of programmable spinal canal drug infusion pump	15	15	$2010.00	$231.52
61867 Removal of skull bone with computer-assisted insertion of neurostimulator electrodes in brain with recording, first array	15	15	$16462.87	$3239.85
62350 Implantation, revision, or repositioning of spinal canal medication catheter	13	13	$2346.23	$394.04

Medical Specialties & State Licenses

CMS Verified: 2020-12-04

Neurological Surgery Primary Specialty

NUCC Taxonomy Code: 207T00000X

State License TX M2856

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.

Hospital & Practice Group Affiliations

Baylor College Of Medicine

7200 Cambridge St, Houston, TX 770304202

Phone: 7137982500

Practice Associates & Co-Workers

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

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Anesthesiology

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Doctor of Medicine (M.D.)

Dr. Aysin Turan , MD

Student in an Organized Health Care Education/Training Program

NPI 1093915217

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 August 12, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location August 12, 2010

Registered at 1709 DRYDEN RD, SUITE 750, HOUSTON, TX 770302400 (Tel: 7132138181)

📍

Updated Business Mailing Address August 12, 2010

Registered at 1709 DRYDEN RD, SUITE 750, HOUSTON, TX 770302400 (Tel: 7132138181)

👤

Provider Name / Credentials Updated August 12, 2010

Recorded as ASHWIN VISWANATHAN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 12, 2010

Neurological Surgery (License #M2856 in TX)

🟢

Initial NPI Registration & Enumeration April 01, 2009

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: 1699917047

Entity Type:

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

Enumeration Date: April 01, 2009

Last Update: December 04, 2020

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

1709 Dryden Rd, Suite 750

Houston, TX 770302400

Phone: 7132138181

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.