Doctor profile · Federal record

Dr. Irene Hao, MD

Internal Medicine Physician (CMS: Pulmonary Disease) · Pulmonary Disease Physician · Newark, NJ

  • NPI 1598807521
  • Accepts Medicare
  • MIPS 88.4 / 100 · 2023
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
150 Bergen Street Uh I Level-354
Newark, NJ 071032496
(973) 972-6111
fax (973) 972-6228
Additional location
2 Capital Way Ste 357
Pennington, NJ 085342521
(609) 815-7390
fax (609) 815-7391

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
April 29, 2021
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New Jersey #25MA09279800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598807521. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
846
Distinct HCPCS
9
Medicare allowed
$107,079
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 344 134 $222
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 124 99 $124
94727 Test to determine lung volumes using gas dilution or washout 86 85 $12
94729 Test to examine how well the lungs exchange gases 85 84 $9
94060 Test to measure expiratory airflow and volume changes before and after medication administration 83 82 $10
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 51 29 $83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 38 36 $181
94618 Test for exercise-induced lung stress 24 24 $22
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 11 11 $87

In context: peer comparison

Among 51 peers in Newark Internal Medicine Physician, average services per provider: 151. This provider delivers 5.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
130
Patients
13
Total drug cost
$59,219
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 27 13 $33,405
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 25 0 $668
Incruse Ellipta (Umeclidinium Bromide) Brand 23 0 $11,712
Breo Ellipta (Fluticasone/Vilanterol) Brand 19 0 $7,646
Montelukast Sodium Generic 14 0 $294
Advair Diskus (Fluticasone Propion/Salmeterol) Brand 11 0 $4,815
Ventolin Hfa (Albuterol Sulfate) Brand 11 0 $678

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Irene Hao's medical specialty?
Dr. Irene Hao practices Internal Medicine Physician in Newark, NJ.
Where does Dr. Irene Hao practice?
Dr. Irene Hao practices at 150 Bergen Street Uh I Level-354, Newark, NJ 071032496. Office phone: 9739726111.
What is Dr. Irene Hao's NPI?
Dr. Irene Hao's National Provider Identifier (NPI) is 1598807521, issued by NPPES.
Does Dr. Irene Hao accept Medicare assignment?
Yes. Dr. Irene Hao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Irene Hao commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Test to determine lung volumes using gas dilution or washout (HCPCS 94727). Source: CMS Medicare Physician & Other Practitioners file.