Samuel Sun, MD
NPI 1639520745 · Emergency Medicine Physician · West Orange, NJ
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Sun, MD is a Emergency Medicine Physician provider in West Orange, NJ (NPI 1639520745).
Provider details
- NPI number
- 1639520745
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MT210755 (PA)
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
9 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
784 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 | 472 | $183 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 184 | $126 |
| Critical Care, First 30-74 Minutes99291 | 93 | $222 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 35 | $74 |
Typical Medicare-allowed amounts for these services range $74–$222 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 28 | 27 |
| Ondansetronbrand: Ondansetron Odt | 23 | 23 |
| Methylprednisolone | 15 | 15 |
| Cefdinir | 14 | 14 |
| Doxycycline Monohydrate | 14 | 14 |
| Cephalexin | 12 | 12 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 11 | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 1001 S George StYork HospitalYork, PA 17403-3676Phone: (717) 851-2311Fax: (717) 851-3469
Registry dates
- Enumerated
- 2016-06-29
- Last updated
- 2024-10-31
- Certified
- 2024-10-31
Frequently asked questions
- What is Samuel Sun's NPI number?
- Samuel Sun's National Provider Identifier (NPI) is 1639520745, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Sun's specialty?
- Samuel Sun is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Sun located?
- Samuel Sun's practice location on file with NPPES is 769 Northfield Ave, West Orange, NJ 07052.
- What is Samuel Sun's phone number?
- The practice phone number listed in the NPPES registry for Samuel Sun is (848) 308-4609.
- Does Samuel Sun accept Medicare?
- Samuel Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Sun's NPI active?
- Yes — Samuel Sun's NPI (1639520745) is active in the NPPES registry as of the last update on 2024-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.