Doctor profile · Federal record

Dr. Bob Chai, M.D., PH.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Neuroradiology Physician · East Brunswick, NJ

  • NPI 1871898171
  • Accepts Medicare
  • MIPS 78.8 / 100 · 2023
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
483 Cranbury RD, University Radiology Group
East Brunswick, NJ 088163610
(732) 390-0030
fax (732) 390-1856
Mailing address
579A Cranbury RD, University Radiology Group
East Brunswick, NJ 088165426

Credentials & registration

NPPES · NUCC
NPI registered
January 2011 — 15 yrs on file
Profile last updated
July 3, 2013
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
New Jersey #25MA09172900
Medicaid
NJ #0352110

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871898171. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
25,538
Distinct HCPCS
10
Medicare allowed
$240,964
HCPCS Description Services Patients Avg allowed
A9575 Injection, gadoterate meglumine, 0.1 ml 16,650 88 $0
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 6,075 59 $0
70450 Ct scan head or brain without contrast 490 474 $45
72148 Mri scan of lower spinal canal without contrast 314 162 $116
72125 Ct scan of upper spine without contrast 177 177 $52
74177 Ct scan of abdomen and pelvis with contrast 172 170 $98
70498 Ct scan of blood vessels of neck with contrast 130 130 $91
70496 Ct scan of blood vessels of head with contrast 119 119 $95
72141 Mri scan of upper spinal canal without contrast 92 47 $106
71045 X-ray of chest, 1 view 89 73 $10

In context: peer comparison

Among 46 peers in East Brunswick Diagnostic Radiology Physician, average services per provider: 375. This provider delivers 68× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Bob Chai's medical specialty?
Dr. Bob Chai practices Diagnostic Radiology Physician in East Brunswick, NJ.
Where does Dr. Bob Chai practice?
Dr. Bob Chai practices at 483 Cranbury RD, East Brunswick, NJ 088163610. Office phone: 7323900030.
What is Dr. Bob Chai's NPI?
Dr. Bob Chai's National Provider Identifier (NPI) is 1871898171, issued by NPPES.
Does Dr. Bob Chai accept Medicare assignment?
Yes. Dr. Bob Chai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bob Chai commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadoterate meglumine, 0.1 ml (HCPCS A9575); Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Ct scan head or brain without contrast (HCPCS 70450). Source: CMS Medicare Physician & Other Practitioners file.