Active NPI 1558734277 Individual Practitioner Male Practitioner

Dr. Ingyu Chun , PhD, AuD

Audiologist • Mountain View, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Ingyu Chun, PhD, AuD is a certified Audiologist practicing in Mountain View, CA. With approximately 12 years of clinical experience since completing medical education in 2014, Dr. Chun delivers high-quality medical care to the local community at 701 E EL CAMINO REAL.

Dr. Chun is affiliated with Sutter Bay Medical Foundation and accepts Medicare assignment.

Frequently performed procedures and clinical services include eardrum testing using ear probe, comprehensive hearing and speech recognition test, test for hearing various pitches using earphone. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

701 E El Camino Real

Mountain View, CA 94040

Telephone 6509347900

Associated Practice Facility / Clinic

🏢 Scott P. Wachhorst, M.d. A Professional Corporation Facility NPI 1093760795

Medicare Profile & Education

Medical School

Other

Graduation Year

2014

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Audiologist in Mountain View, CA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

12 Yrs -5.4 yrs vs City Avg

City Avg: 17.4 Yrs

State Avg: 17.1 Yrs

Regional Practice Density

10 Specialists

Practicing in Mountain View, CA (1598 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

64.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chun (12 Years) 12 Yrs

Mountain View Specialty Average (17.4 Years) 17.4 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
92567 Eardrum testing using ear probe	168	166	$64.00	$20.52
92557 Comprehensive hearing and speech recognition test	101	99	$163.59	$44.12
92552 Test for hearing various pitches using earphone	60	60	$116.51	$52.89
92556 Test for ability to detect and repeat spoken words with speech recognition	58	58	$121.47	$62.65
92540 Evaluation and testing for balance with recording	11	11	$410.00	$133.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92567 Eardrum testing using ear probe	192	190	$60.92	$20.99
92557 Comprehensive hearing and speech recognition test	136	134	$155.71	$45.61
92552 Test for hearing various pitches using earphone	43	43	$111.00	$50.38
92556 Test for ability to detect and repeat spoken words with speech recognition	42	42	$116.00	$60.41
92553 Test for hearing various pitches using earphone and device placed against the bone	15	15	$156.00	$61.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92567 Eardrum testing using ear probe	220	214	$58.80	$21.13
92557 Comprehensive hearing and speech recognition test	171	169	$148.56	$45.81
92552 Test for hearing various pitches using earphone	41	40	$105.00	$47.04
92556 Test for ability to detect and repeat spoken words with speech recognition	38	37	$110.00	$56.12
92553 Test for hearing various pitches using earphone and device placed against the bone	15	15	$148.00	$57.10
92540 Evaluation and testing for balance with recording	12	12	$370.00	$140.00
92537 Test to assess balance during warm and cool irrigation in both ears	12	12	$161.00	$51.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92567 Eardrum testing using ear probe	235	227	$56.94	$20.90
92557 Comprehensive hearing and speech recognition test	184	181	$148.80	$46.83
92552 Test for hearing various pitches using earphone	52	50	$99.06	$45.38
92556 Test for ability to detect and repeat spoken words with speech recognition	49	47	$105.46	$55.10
92553 Test for hearing various pitches using earphone and device placed against the bone	19	19	$143.00	$55.62
92550 Test for eardrum and muscle function	19	19	$93.00	$27.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92567 Eardrum testing using ear probe	142	139	$57.00	$19.79
92557 Comprehensive hearing and speech recognition test	113	112	$149.00	$46.07
92556 Test for ability to detect and repeat spoken words with speech recognition	39	39	$105.32	$52.34
92552 Test for hearing various pitches using earphone	38	38	$99.34	$43.46
92550 Test for eardrum and muscle function	23	23	$93.00	$26.74
92553 Test for hearing various pitches using earphone and device placed against the bone	13	13	$138.00	$52.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92567 Eardrum testing using ear probe	242	232	$56.88	$18.34
92557 Comprehensive hearing and speech recognition test	192	187	$148.81	$44.96
92552 Test for hearing various pitches using earphone	56	55	$100.00	$42.48
92556 Test for ability to detect and repeat spoken words with speech recognition	54	53	$105.51	$51.17
92550 Test for eardrum and muscle function	12	12	$93.00	$25.73
92553 Test for hearing various pitches using earphone and device placed against the bone	11	11	$138.00	$51.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92567 Eardrum testing using ear probe	225	220	$55.94	$17.44
92557 Comprehensive hearing and speech recognition test	175	174	$145.58	$44.63
92552 Test for hearing various pitches using earphone	53	52	$96.61	$42.98
92556 Test for ability to detect and repeat spoken words with speech recognition	45	44	$101.28	$51.61
92553 Test for hearing various pitches using earphone and device placed against the bone	24	24	$135.00	$51.68
92550 Test for eardrum and muscle function	22	22	$91.00	$25.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92557 Comprehensive hearing and speech recognition test	176	173	$142.80	$44.49
92567 Eardrum testing using ear probe	132	127	$54.79	$17.39
92550 Test for eardrum and muscle function	115	115	$88.00	$24.70
92552 Test for hearing various pitches using earphone	40	39	$95.00	$42.25
92556 Test for ability to detect and repeat spoken words with speech recognition	37	36	$100.00	$50.87
92553 Test for hearing various pitches using earphone and device placed against the bone	33	31	$130.01	$50.37
92555 Test for ability to detect and repeat spoken words	31	29	$73.40	$31.23

Medical Specialties & State Licenses

Audiologist Primary Specialty

NUCC Taxonomy Code: 231H00000X

State License CA AU3022

(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.

Hospital & Practice Group Affiliations

Sutter Bay Medical Foundation

370 Distel Cir, Los Altos, CA 940221404

Phone: 6502545200

Sutter Bay Medical Foundation

701 E El Camino Real, Mountain View, CA 940402833

Phone: 6506916174

Practice Associates & Co-Workers

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

15 Associated Practitioners

Dr. Haifa Rammaha , AuD

Audiologist

NPI 1033251814

Doctor of Audiology

Dr. Patrick Fann , MD

Otolaryngology

NPI 1053408542

Doctor of Medicine (M.D.)

Dr. Sally Allen , AuD

Audiologist

NPI 1104946607

Doctor of Audiology

Dr. Meredith Kondo , AuD

Audiologist

NPI 1154497204

Doctor of Audiology

Dr. Robert Huang , MD

Otolaryngology

NPI 1306926985

Doctor of Medicine (M.D.)

Yesenia Avalos , PA

Physician Assistant

NPI 1457065179

Physician Assistant

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location May 18, 2018

Registered at 701 E EL CAMINO REAL, MOUNTAIN VIEW, CA 94040 (Tel: 6509347900)

📍

Updated Business Mailing Address May 18, 2018

Registered at 701 E EL CAMINO REAL, MOUNTAIN VIEW, CA 940402833 (Tel: 6509347900)

✅

NPI Profile Active November 03, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location November 03, 2015

Registered at 1496 CALLE ENRIQUE, PLEASANTON, CA 945665922 (Tel: 9259989166)

📍

Updated Business Mailing Address November 03, 2015

Registered at 1496 CALLE ENRIQUE, PLEASANTON, CA 945665922 (Tel: 9259989166)

👤

Provider Name / Credentials Updated November 03, 2015

Recorded as INGYU CHUN, PH.D., AU.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 03, 2015

Audiologist (License #AU3022 in CA)

🟢

Initial NPI Registration & Enumeration November 03, 2015

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: 1558734277

Entity Type:

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

Enumeration Date: November 03, 2015

Last Update: May 18, 2018

Sole Proprietor: No

Update or Correct Profile

Mailing Address

701 E El Camino Real

Mountain View, CA 940402833

Phone: 6509347900

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.