Chang Joo Seo, MD
NPI 1265929384 · Emergency Medicine Physician · Englewood, NJ
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chang Joo Seo, MD is a Emergency Medicine Physician provider in Englewood, NJ (NPI 1265929384).
Provider details
- NPI number
- 1265929384
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA11729400 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
793 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 373 | $200 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 274 | $141 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 56 | $83 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 36 | $96 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 30 | $204 |
| Critical Care, First 30-74 Minutes99291 | 24 | $249 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 36 | 35 |
| Prednisone | 19 | 19 |
| Azithromycin | 17 | 16 |
| Cephalexin | 15 | 12 |
| Oxycodone Hcl | 14 | 14 |
| Cefpodoxime Proxetil | 13 | 13 |
| Cyclobenzaprine Hcl | 13 | 13 |
| Ondansetron Hcl | 13 |
Practice location
Mailing address
Additional practice locations (1)
- 1000 10th AveNew York, NY 10019-1147Phone: (212) 523-4000
Registry dates
- Enumerated
- 2018-04-13
- Last updated
- 2024-09-26
- Certified
- 2024-09-26
Frequently asked questions
- What is Chang Joo Seo's NPI number?
- Chang Joo Seo's National Provider Identifier (NPI) is 1265929384, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chang Joo Seo's specialty?
- Chang Joo Seo is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chang Joo Seo located?
- Chang Joo Seo's practice location on file with NPPES is 350 Engle St, Englewood, NJ 07631-1808.
- What is Chang Joo Seo's phone number?
- The practice phone number listed in the NPPES registry for Chang Joo Seo is (201) 894-3450.
- Does Chang Joo Seo accept Medicare?
- Chang Joo Seo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chang Joo Seo's NPI active?
- Yes — Chang Joo Seo's NPI (1265929384) is active in the NPPES registry as of the last update on 2024-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.