Doctor profile · Federal record

Dr. Gyujae Choi, MD

Internal Medicine Physician (CMS: Radiation Oncology) · Allentown, PA

  • NPI 1134658404
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1200 S. Cedar Crest Blvd.
Allentown, PA 18103
(610) 402-8000
Mailing address
1200 S Cedar Crest Blvd
Allentown, PA 181036202

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Pennsylvania #MT213068

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134658404. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,280
Distinct HCPCS
10
Medicare allowed
$108,490
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 352 39 $43
77014 Ct guidance for insertion of radiation therapy fields 289 39 $44
77300 Calculation of radiation therapy dose 84 24 $28
77427 Radiation treatment management, 5 treatment sessions 83 32 $165
99214 Established patient office or other outpatient visit, 30-39 minutes 60 49 $92
77300 Calculation of radiation therapy dose 57 17 $34
77427 Radiation treatment management, 5 treatment sessions 56 20 $186
77334 Design and construction of complex radiation treatment device 54 20 $49
99215 Established patient office or other outpatient visit, 40-54 minutes 27 21 $133
99205 New patient office or other outpatient visit, 60-74 minutes 26 26 $178

In context: peer comparison

Among 46 peers in Allentown Internal Medicine Physician, average services per provider: 85. This provider delivers 15× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
62
Patients
31
Total drug cost
$1,539
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 29 17 $767
Mometasone Furoate Generic 21 14 $681
Oxycodone Hcl Generic 12 0 $92

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gyujae Choi's medical specialty?
Dr. Gyujae Choi practices Internal Medicine Physician in Allentown, PA.
Where does Dr. Gyujae Choi practice?
Dr. Gyujae Choi practices at 1200 S. Cedar Crest Blvd., Allentown, PA 18103. Office phone: 6104028000.
What is Dr. Gyujae Choi's NPI?
Dr. Gyujae Choi's National Provider Identifier (NPI) is 1134658404, issued by NPPES.
Does Dr. Gyujae Choi accept Medicare assignment?
Yes. Dr. Gyujae Choi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gyujae Choi commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.