Active NPI 1962791632 Individual Practitioner Male Practitioner

Rishi Subbarayan

Surgery - Vascular Surgery • Appleton, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Rishi Subbarayan is a certified Surgery - Vascular Surgery practicing in Appleton, WI. With approximately 11 years of clinical experience since graduating from Northeastern Ohio University College Of Medicine in 2015, Rishi Subbarayan delivers high-quality medical care to the local community at 2000 E MILESTONE DR.

Rishi Subbarayan is affiliated with Fox Valley Surgical Associates Ltd and accepts Medicare assignment.

Frequently performed procedures and clinical services include follow-up hospital inpatient care per day, established patient outpatient office visit, moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2000 E Milestone Dr

Appleton, WI 549136701

Telephone 9207318131

Fax 9208320444

Associated Practice Facility / Clinic

🏢 Fox Valley Surgical Associates Ltd Facility NPI 1376594952

Medicare Profile & Education

Medical School

Northeastern Ohio University College Of Medicine

Graduation Year

2015

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery - Vascular Surgery in Appleton, WI

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

11 Yrs -14.3 yrs vs City Avg

City Avg: 25.3 Yrs

State Avg: 23.9 Yrs

Regional Practice Density

4 Specialists

Practicing in Appleton, WI (92 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

64.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Subbarayan (11 Years) 11 Yrs

Appleton 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
99231 Follow-up hospital inpatient care per day, typically 15 minutes	27	15	$169.00	$47.66
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	18	$219.00	$125.71
99213 Established patient office or other outpatient visit, typically 15 minutes	17	13	$154.00	$89.23
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	15	12	$219.00	$11.51
99221 Initial hospital inpatient care per day, typically 30 minutes	12	12	$396.00	$78.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$258.00	$108.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$356.00	$163.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	66	53	$155.00	$84.77
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$375.00	$158.45
99213 Established patient office or other outpatient visit, typically 15 minutes	22	12	$155.00	$62.81
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	16	14	$435.50	$76.44
76937 Ultrasonic guidance for blood vessel access	15	14	$160.50	$13.16
75625 Radiological supervision and interpretation X-ray of abdominal aorta	14	12	$422.75	$62.08
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$247.25	$106.24
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	12	12	$241.75	$20.18
93880 Ultrasound of both sides of head and neck blood flow	11	11	$317.75	$36.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	175	126	$155.00	$86.94
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	49	49	$247.25	$106.69
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	38	38	$241.75	$20.61
93970 Ultrasound study of arm or leg veins with compression and maneuvers	37	37	$300.75	$32.24
99213 Established patient office or other outpatient visit, typically 15 minutes	34	14	$155.00	$63.88
93880 Ultrasound of both sides of head and neck blood flow	34	33	$317.75	$37.08
76937 Ultrasonic guidance for blood vessel access	28	23	$160.50	$12.97
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	26	22	$435.50	$78.25
93922 Ultrasound study of arm and leg arteries	26	26	$273.00	$11.06
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$375.00	$159.44
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	24	18	$165.00	$11.46
75625 Radiological supervision and interpretation X-ray of abdominal aorta	23	18	$422.75	$62.20
37221 Insertion of stents in artery in one side of groin, endovascular, accessed through the skin or open procedure	13	12	$26291.46	$433.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	105	84	$155.00	$87.26
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	41	41	$375.00	$160.15
99213 Established patient office or other outpatient visit, typically 15 minutes	40	19	$155.00	$64.11
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$247.25	$107.01
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	28	28	$241.75	$20.35
76937 Ultrasonic guidance for blood vessel access	27	25	$160.50	$13.30
75625 Radiological supervision and interpretation X-ray of abdominal aorta	23	21	$422.75	$64.04
93880 Ultrasound of both sides of head and neck blood flow	23	23	$317.75	$37.08
93922 Ultrasound study of arm and leg arteries	22	22	$273.00	$11.77
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	21	18	$165.00	$11.89
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	21	19	$435.50	$78.78
93970 Ultrasound study of arm or leg veins with compression and maneuvers	15	15	$300.75	$31.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	84	70	$155.00	$72.32
76937 Ultrasonic guidance for blood vessel access	30	29	$160.50	$14.24
99213 Established patient office or other outpatient visit, typically 15 minutes	28	17	$155.00	$49.99
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	27	27	$247.25	$103.43
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	25	22	$435.50	$82.66
75625 Radiological supervision and interpretation X-ray of abdominal aorta	25	23	$422.75	$67.32
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	22	20	$165.00	$12.07
99202 New patient office or other outpatient visit, typically 20 minutes	22	22	$174.00	$73.85
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$375.00	$157.82
37224 Balloon dilation of arteries in one leg, endovascular, accessed through the skin or open procedure	15	15	$2402.50	$279.84
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	14	14	$241.75	$21.92
93922 Ultrasound study of arm and leg arteries	14	13	$273.00	$12.18
37228 Balloon dilation of artery of leg, initial vessel	13	13	$3003.00	$492.06
93970 Ultrasound study of arm or leg veins with compression and maneuvers	11	11	$300.75	$33.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	71	63	$155.00	$69.54
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	42	42	$375.00	$154.50
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$247.25	$102.83
99213 Established patient office or other outpatient visit, typically 15 minutes	33	25	$155.00	$47.36
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	22	20	$435.50	$81.05
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	19	19	$241.75	$21.07
93880 Ultrasound of both sides of head and neck blood flow	19	19	$317.75	$38.44
75625 Radiological supervision and interpretation X-ray of abdominal aorta	18	17	$422.75	$52.33
76937 Ultrasonic guidance for blood vessel access	13	13	$160.50	$13.94
93925 Ultrasound of leg arteries or artery grafts	11	11	$404.75	$37.83
93970 Ultrasound study of arm or leg veins with compression and maneuvers	11	11	$300.75	$33.03
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$375.00	$122.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	57	48	$155.00	$69.82
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	47	47	$247.25	$99.96
93880 Ultrasound of both sides of head and neck blood flow	45	45	$317.75	$38.03
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	37	37	$241.75	$21.53
99213 Established patient office or other outpatient visit, typically 15 minutes	19	18	$155.00	$49.12
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	19	18	$435.50	$81.18
37228 Balloon dilation of artery of leg, initial vessel	17	15	$3003.00	$491.42
93922 Ultrasound study of arm and leg arteries	17	16	$273.00	$11.24
37224 Balloon dilation of arteries in one leg, endovascular, accessed through the skin or open procedure	14	14	$2402.50	$266.08
93970 Ultrasound study of arm or leg veins with compression and maneuvers	12	12	$300.75	$32.99
93926 Ultrasound of one leg arteries or artery grafts	11	11	$308.25	$20.97
35371 Removal of blood clot and portion of artery of upper thigh artery	11	11	$3663.32	$578.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93922 Ultrasound study of arm and leg arteries	136	121	$283.14	$67.25
93880 Ultrasound of both sides of head and neck blood flow	108	101	$659.00	$185.47
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	91	89	$638.00	$158.87
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	80	66	$278.00	$98.49
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	74	74	$427.00	$154.00
99213 Established patient office or other outpatient visit, typically 15 minutes	71	67	$188.00	$68.28
93925 Ultrasound of leg arteries or artery grafts	57	56	$829.00	$243.86
93926 Ultrasound of one leg arteries or artery grafts	47	40	$531.85	$123.31
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	45	35	$398.29	$107.36
93970 Ultrasound study of arm or leg veins with compression and maneuvers	25	24	$683.00	$175.57
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$278.00	$103.32
93975 Complete ultrasound of abdomen and pelvis artery and vein blood flow	16	14	$996.00	$267.94
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	13	11	$146.00	$50.61
75625 Radiological supervision and interpretation X-ray of abdominal aorta	13	11	$148.00	$50.33
99221 Initial hospital inpatient care per day, typically 30 minutes	11	11	$263.00	$88.86

Medical Specialties & State Licenses

CMS Verified: 2026-02-25

Surgery - Vascular Surgery Primary Specialty

NUCC Taxonomy Code: 2086S0129X

State License WI 60926-20

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

Surgery - Vascular Surgery

NUCC Taxonomy Code: 2086S0129X

State License OR MD174080

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

Fox Valley Surgical Associates Ltd

2000 E Milestone Dr, Appleton, WI 549136701

Phone: 9207318131

Practice Associates & Co-Workers

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

40 Associated Practitioners

Alexis Welhouse , CST

Specialist/Technologist, Other - Surgical Technologist

NPI 1013763556

Dr. Philip Vogt , MD

Surgery

NPI 1013909647

Doctor of Medicine (M.D.)

Jessica Buchberger , CST

Specialist/Technologist, Other - Surgical Technologist

NPI 1023564044

Dr. Alexander Tretinyak , MD

Surgery - Vascular Surgery

NPI 1073566030

Doctor of Medicine (M.D.)

Janene Ray , ST

Specialist/Technologist, Other - Surgical Technologist

NPI 1093370363

Jeanne Brochtrup , CST

Specialist/Technologist, Other - Surgical Technologist

NPI 1093708836

Career & Practice History Timeline

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

16 Historical Events

📍

Updated Practice Location January 05, 2026

Registered at 2000 E MILESTONE DR, APPLETON, WI 549136701 (Tel: 9207318131)

📍

Updated Business Mailing Address January 05, 2026

Registered at 2000 E MILESTONE DR, APPLETON, WI 549136701 (Tel: 9207318131)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 05, 2026

Surgery (License #MD174080 in OR)

✅

NPI Profile Active November 20, 2017

NPI status registered as active in NPPES database

📍

Updated Business Mailing Address November 20, 2017

Registered at PO BOX 19070, GREEN BAY, WI 543079070 (Tel: 9204964700)

📍

Updated Practice Location November 20, 2017

Registered at 960 16TH ST, SPRINGFIELD, OR 974774175 (Tel: 5419886330)

👤

Provider Name / Credentials Updated November 20, 2017

Recorded as RISHI SUBBARAYAN

🎓

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

Surgery (License #60926-20 in WI)

📍

Updated Practice Location August 23, 2017

Registered at 960 16TH ST, SPRINGFIELD, OR 974774175 (Tel: 5419886330)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 23, 2017

Surgery (License #MD174080 in OR)

✅

NPI Profile Active September 30, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location September 30, 2015

Registered at 1400 LOCUST ST, PITTSBURGH, PA 152195114 (Tel: 4122328111)

📍

Updated Business Mailing Address September 30, 2015

Registered at 960 16TH ST 303, SPRINGFIELD, OR 974774175 (Tel: 5419886330)

👤

Provider Name / Credentials Updated September 30, 2015

Recorded as RISHI SUBBARAYAN

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 30, 2015

Surgery (License #MT193339 in PA)

🟢

Initial NPI Registration & Enumeration April 04, 2011

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: 1962791632

Entity Type:

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

Enumeration Date: April 04, 2011

Last Update: February 25, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2000 E Milestone Dr

Appleton, WI 549136701

Phone: 9207318131

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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