Stephanie Eng, M.D.
NPI 1851657456 · Allergy & Immunology Physician · Willow Grove, PA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Eng, M.D. is a Allergy & Immunology Physician provider in Willow Grove, PA (NPI 1851657456).
Provider details
- NPI number
- 1851657456
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD456143 (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 tenure25% of score
14 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
1,551 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) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 939 | $4 |
| Professional Service for Multiple Injections of Allergen95117 | 210 | $13 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 201 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 77 | $91 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 68 | $15 |
| Test to Measure Rate of Airflow94375 | 31 | $40 |
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 |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 21 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 17 | — |
| Levocetirizine Dihydrochloride | 17 | — |
| Fluticasone Propionate | 16 | — |
| Ipratropium Bromide | 14 | 11 |
| Montelukast Sodium | 14 | — |
| Fluticasone Furoatebrand: Arnuity Ellipta |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$804 across 26 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
- 2012-04-09
- Last updated
- 2025-03-10
- Certified
- 2025-03-10
Frequently asked questions
- What is Stephanie Eng's NPI number?
- Stephanie Eng's National Provider Identifier (NPI) is 1851657456, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Eng's specialty?
- Stephanie Eng is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephanie Eng located?
- Stephanie Eng's practice location on file with NPPES is 2300 Computer Rd Ste E25, Willow Grove, PA 19090-1737.
- What is Stephanie Eng's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Eng is (215) 659-5480.
- Does Stephanie Eng accept Medicare?
- Stephanie Eng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Eng's NPI active?
- Yes — Stephanie Eng's NPI (1851657456) is active in the NPPES registry as of the last update on 2025-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.