Gyujae Choi, MD
NPI 1134658404 · Internal Medicine Physician · Allentown, PA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gyujae Choi, MD is a Internal Medicine Physician provider in Allentown, PA (NPI 1134658404).
Provider details
- NPI number
- 1134658404
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MT213068 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,117 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 368 | $48 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 214 | $44 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 97 | $205 |
| Calculation of Radiation Therapy Dose77300 | 71 | $35 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 64 | $95 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 54 | $188 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 6 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 66 | 23 |
| Mometasone Furoate | 33 | 23 |
| Oxycodone Hcl | 24 | 12 |
| Relugolixbrand: Orgovyx | 20 | — |
| Oxybutynin Chloride | 17 | — |
| Ondansetron Hcl | 12 | 11 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means , never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-06-08
- Last updated
- 2017-06-08
Frequently asked questions
- What is Gyujae Choi's NPI number?
- Gyujae Choi's National Provider Identifier (NPI) is 1134658404, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gyujae Choi's specialty?
- Gyujae Choi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gyujae Choi located?
- Gyujae Choi's practice location on file with NPPES is 1200 S. Cedar Crest Blvd., Allentown, PA 18103.
- What is Gyujae Choi's phone number?
- The practice phone number listed in the NPPES registry for Gyujae Choi is (610) 402-8000.
- Does Gyujae Choi accept Medicare?
- Gyujae Choi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gyujae Choi's NPI active?
- Yes — Gyujae Choi's NPI (1134658404) is active in the NPPES registry as of the last update on 2017-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.