MARK LIAO MD
NPI 1508203514
Emergency Medicine in Indianapolis, IN

Active since May 30, 2013PECOS EnrolledAccepts Medicare Assignment
1701 N SENATE BLVD RM AG012, INDIANAPOLIS, IN 46202(317) 962-5975 Get Directions Write a Review

NPPES record last updated: March 13, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 13, 2025, Feb 19, 2021, Dec 29, 2020 and 2 more (5 updates tracked since 2016).

About Mark Liao Md NPPES

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

MARK LIAO MD (NPI 1508203514) is an individual emergency medicine provider in Indianapolis, Indiana, licensed in Indiana (01077226A) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, is affiliated with Eskenazi Health, and maintains a secondary practice location in Indianapolis.

NPPES Registry Identity

NPI1508203514
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMARK LIAOCredential: MD
Location Address1701 N SENATE BLVD RM AG012Indianapolis, IN 46202-1239
Mailing Address1701 N Senate Blvd Rm Ag012Indianapolis, IN 46202-1239 · (317) 962-5975
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMay 30, 2013
Last NPPES UpdateMarch 13, 20255 updates tracked since enumeration
NPPES CertifiedMarch 13, 2025
NPI 1508203514 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in IN · 01077226A
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1701 N SENATE BLVD RM AG012, Indianapolis, IN 46202

Secondary Practice Location 1

Location 11701 N Senate BlvdIndianapolis, IN 46202-1239 · Phone (888) 484-3258

Other Identifiers 4

Other000001172038IN · Anthem Ptan
Other000001172035IN · Anthem Ptan
Other000001172571IN · Anthem Ptan
Medicaid300014073IN

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mark Liao Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173835089
PECOS Enrollment IDI20180526000036
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
63 services62 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
25 services25 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Eskenazi Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number150024
Location720 Eskenazi AvenueIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

Indiana University Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150056
Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

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
$82.04 typical visit price
range $53.07 – $161.76
Typical copayment $20.51 (range $13.26 – $40.44)
Most-billed visit code 99203
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
Most-billed visit code 99214
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 20

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

Student in an Organized Health Care Education/Training Program
1701 N SENATE BLVD RM AG012
INDIANAPOLIS, IN 46202
Emergency Medicine
1701 N SENATE BLVD RM AG012
INDIANAPOLIS, IN 46202
Emergency Medicine
1701 N SENATE BLVD RM AG012
INDIANAPOLIS, IN 46202
Emergency Medicine
1701 N SENATE BLVD RM AG012
INDIANAPOLIS, IN 46202
Emergency Medicine
1701 N SENATE BLVD RM AG012
INDIANAPOLIS, IN 46202
Emergency Medicine
1701 N SENATE BLVD RM AG012
INDIANAPOLIS, IN 46202
Student in an Organized Health Care Education/Training Program
1701 N SENATE BLVD RM AG012
INDIANAPOLIS, IN 46202
Emergency Medicine
1701 N SENATE BLVD RM AG012
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 Mark Liao's NPI number?

The NPI number for Mark Liao is 1508203514. It was assigned to this individual provider in the NPPES registry on May 30, 2013.

Where is Mark Liao located?

Mark Liao practices at 1701 N Senate Blvd Rm Ag012, Indianapolis, IN 46202. The listed phone number is (317) 962-5975.

What is Mark Liao's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Mark Liao enrolled in Medicare?

Yes. Mark Liao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mark Liao accept?

Health plans from CareSource list Mark Liao as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mark Liao affiliated with any hospitals?

According to CMS data, Mark Liao is affiliated with Eskenazi Health and Indiana University Health.

When was this NPI record last updated?

The NPPES record for Mark Liao was last updated on March 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.