Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. ADAM YAO XIAO MD, PHD
NPI 1427637313
Otolaryngology in Indianapolis, IN

Active since April 07, 2021PECOS Enrolled
355 W 16TH ST STE 3000, INDIANAPOLIS, IN 46202(317) 948-3226 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 14, 2026, Apr 7, 2021 (2 updates tracked since 2021).

About Dr. Adam Yao Xiao Md, Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ADAM YAO XIAO MD, PHD (NPI 1427637313) is an individual otolaryngology provider in Indianapolis, Indiana, licensed in Indiana (010992181A) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Indianapolis, and is a graduate of Louisiana State University School Of Medicine In Shreveport (2021).

NPPES Registry Identity

NPI1427637313
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameDR. ADAM YAO XIAOCredential: MD, PHD
Location Address355 W 16TH ST STE 3000Indianapolis, IN 46202-2207
Mailing Address250 N Shadeland AveIndianapolis, IN 46219-4959
Sole ProprietorNo
Medical School CMSLouisiana State University School Of Medicine In ShreveportGraduated 2021
Enumeration DateApril 7, 2021
Last NPPES UpdateJuly 14, 20262 updates tracked since enumeration
NPPES CertifiedJuly 14, 2026
NPI 1427637313 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License Licensed in IN · 010992181A
Definition

An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

355 W 16TH ST STE 3000, Indianapolis, IN 46202

Secondary Practice Location 1

Location 11130 W Michigan StIndianapolis, IN 46202-5209 · Phone (317) 278-1440

Other Identifiers 1

Medicaid300131511IN

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Adam Yao Xiao Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9335526698
PECOS Enrollment IDI20260527001112
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Audiologist
355 W 16TH ST STE 3000
INDIANAPOLIS, IN 46202
Otolaryngology
355 W 16TH ST STE 3000
INDIANAPOLIS, IN 46202
Otolaryngology (Otology & Neurotology)
355 W 16TH ST STE 3000
INDIANAPOLIS, IN 46202
Audiologist
355 W 16TH ST STE 3000
INDIANAPOLIS, IN 46202
Audiologist
355 W 16TH ST STE 3000
INDIANAPOLIS, IN 46202
Otolaryngology
355 W 16TH ST STE 3000
INDIANAPOLIS, IN 46202
Otolaryngology
355 W 16TH ST STE 3000
INDIANAPOLIS, IN 46202
Otolaryngology
355 W 16TH ST STE 3000
INDIANAPOLIS, IN 46202

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Adam Xiao's NPI number?

The NPI number for Adam Xiao is 1427637313. It was assigned to this individual provider in the NPPES registry on April 7, 2021.

Where is Adam Xiao located?

Adam Xiao practices at 355 W 16th St Ste 3000, Indianapolis, IN 46202. The listed phone number is (317) 948-3226.

What is Adam Xiao's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Adam Xiao enrolled in Medicare?

Yes. Adam Xiao is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Adam Xiao was last updated on July 14, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.