Erwin Oei, MD
NPI 1659373421 · Pulmonary Disease Physician · Summit, NJ
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erwin Oei, MD is a Pulmonary Disease Physician provider in Summit, NJ (NPI 1659373421).
Provider details
- NPI number
- 1659373421
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA07010700 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,665 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 796 | $139 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 331 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 319 | $100 |
| Test to Measure Expiratory Airflow and Volume94010 | 314 | $12 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 217 | $125 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 589 | 116 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 399 | 177 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 241 | 58 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 223 | 49 |
| Prednisone | 198 | 98 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 171 | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$982 across 64 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-11
- Last updated
- 2017-02-03
Frequently asked questions
- What is Erwin Oei's NPI number?
- Erwin Oei's National Provider Identifier (NPI) is 1659373421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erwin Oei's specialty?
- Erwin Oei is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Erwin Oei located?
- Erwin Oei's practice location on file with NPPES is 1 Springfield Ave, Summit, NJ 07901-4055.
- What is Erwin Oei's phone number?
- The practice phone number listed in the NPPES registry for Erwin Oei is (908) 934-0555.
- Does Erwin Oei accept Medicare?
- Erwin Oei is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erwin Oei's NPI active?
- Yes — Erwin Oei's NPI (1659373421) is active in the NPPES registry as of the last update on 2017-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.