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IVAN E LIANG M.D.
NPI 1407814908
Emergency Medicine in Brighton, MA

Active since May 03, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
736 CAMBRIDGE STREET, CARITAS ST. ELIZABETH'S MEDICAL CENTER, BRIGHTON, MA 02135(617) 789-2666 Get Directions Write a Review

NPPES record last updated: November 6, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ivan E Liang M.d. NPPES

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

IVAN E LIANG M.D. (NPI 1407814908) is an individual emergency medicine provider in Brighton, Massachusetts, licensed in Massachusetts (217627) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2000).

NPPES Registry Identity

NPI1407814908
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameIVAN E LIANGCredential: M.D.
Location Address736 CAMBRIDGE STREET, CARITAS ST. ELIZABETH'S MEDICAL CENTERBrighton, MA 02135
Mailing Address58 Rockview St, Apt 1Jamaica Plain, MA 02130-2112 · (617) 789-2666
Phone(617) 789-2666
Sole ProprietorYes
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2000
Enumeration DateMay 3, 2006
Last NPPES UpdateNovember 6, 2014
✔ NPI 1407814908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MA · 217627
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.
736 CAMBRIDGE STREET, Brighton, MA 02135
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ivan E Liang M.d. 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 ID7113969916
PECOS Enrollment IDI20090908000453
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.

Medicare Billing Reassignment

Medicare enrollment records show Ivan Liang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Chico Emergency Physicians Medical Group, Inc
2,615 mi
Emergency Medicine
1531 ESPLANADE
Chico, CA 95926
  • Reassigned Medicare billing, California enrollment
  • 61 clinicians in this Medicare group
NPI 1578598058 (530) 332-7700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.
335 services331 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.
81 services80 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
29 services29 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.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02135 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.88
Promoting Interoperability100
Improvement Activities40
Cost100

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier11 claims11 services$5.67 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. LUCA M BIGATELLO MD
Anesthesiology
736 CAMBRIDGE STREET
BOSTON, MA 02135
Suffolk County (617) 789-2782
MR. MINH QUANG THUAN TRAN M.D.
Internal Medicine
736 CAMBRIDGE STREET
BOSTON, MA 02135
Suffolk County (617) 789-3000
OGHOSA CLINTON IBUDE M.D.
Student in an Organized Health Care Education/Training Program
736 CAMBRIDGE STREET
BOSTON, MA 02135
Suffolk County (617) 779-6342
DR. ANDREW L STERNLICHT
Anesthesiology
736 CAMBRIDGE STREET
BRIGHTON, MA 02135
Suffolk County (617) 789-2782
MAKSIM ISACHANKA M.D.
Student in an Organized Health Care Education/Training Program
736 CAMBRIDGE STREET, MOB SUITE 308
BOSTON, MA 02135
Suffolk County (617) 779-6342
NANCY ADAMS WIMS
Physical Therapist
736 CAMBRIDGE STREET
BRIGHTON, MA 02135
Suffolk County (617) 789-3000
DR. DANIEL ISAIAH GREENE M.D.
Psychiatry & Neurology (Psychiatry)
736 CAMBRIDGE STREET, CARITAS ST. ELIZABETH'S MEDICAL CENTER
BOSTON, MA 02135
Suffolk County (617) 789-3070
CSEMC
General Acute Care Hospital
736 CAMBRIDGE STREET
BRIGHTON, MA 02135
Suffolk County (617) 789-3258

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 Ivan Liang's NPI number?

The NPI number for Ivan Liang is 1407814908. It was assigned to this individual provider in the NPPES registry on May 3, 2006.

Where is Ivan Liang located?

Ivan Liang practices at 736 Cambridge Street Caritas St. Elizabeth's Medical Center, Brighton, MA 02135. The listed phone number is (617) 789-2666.

What is Ivan Liang's specialty?

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

Is Ivan Liang enrolled in Medicare?

Yes. Ivan Liang 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.

Which organization bills Medicare for Ivan Liang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ivan Liang reassigns Medicare benefits to Chico Emergency Physicians Medical Group, Inc (Chico, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ivan Liang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ivan Liang was last updated on November 6, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.