Eun Chang, MD
NPI 1023484052 · Otolaryngology Physician · Shrewsbury, NJ
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eun Chang, MD is a Otolaryngology Physician provider in Shrewsbury, NJ (NPI 1023484052).
Provider details
- NPI number
- 1023484052
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA10729500 (NJ)
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
10 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
490 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 163 | $134 |
| Removal of Impacted Ear Wax69210 | 110 | $49 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 64 | $176 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 46 | $96 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 33 | $118 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 58 | 30 |
| Famotidine | 38 | 17 |
| Ciprofloxacin Hcl/Dexamethbrand: Ciprofloxacin-Dexamethasone | 29 | 17 |
| Prednisone | 27 | 26 |
| Azelastine Hcl | 26 | 17 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 21 | 16 |
| Ipratropium Bromide | 17 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-08-13
- Last updated
- 2023-04-10
- Certified
- 2023-04-10
Frequently asked questions
- What is Eun Chang's NPI number?
- Eun Chang's National Provider Identifier (NPI) is 1023484052, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eun Chang's specialty?
- Eun Chang is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Eun Chang located?
- Eun Chang's practice location on file with NPPES is 180 Avenue at the Cmn Ste 8a, Shrewsbury, NJ 07702-4569.
- What is Eun Chang's phone number?
- The practice phone number listed in the NPPES registry for Eun Chang is (732) 868-8622.
- Does Eun Chang accept Medicare?
- Eun Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eun Chang's NPI active?
- Yes — Eun Chang's NPI (1023484052) is active in the NPPES registry as of the last update on 2023-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.