Erik Zeger, MD
NPI 1639188659 · Hematology & Oncology Physician · Wynnewood, PA
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erik Zeger, MD is a Hematology & Oncology Physician provider in Wynnewood, PA (NPI 1639188659).
Provider details
- NPI number
- 1639188659
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD425881 (PA)
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
19 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
3,309 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 | 515 | $139 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 439 | $18 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 379 | $99 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 367 | $31 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 280 | $17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxyurea | 66 | 14 |
| Apixabanbrand: Eliquis | 62 | 11 |
| Ondansetron Hcl | 55 | 33 |
| Dexamethasone | 43 | 13 |
| Prochlorperazine Maleate | 41 | 24 |
| Lenalidomide | 36 | — |
| Pantoprazole Sodium | 29 | — |
| Warfarin Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,837 across 81 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
- 2006-08-07
- Last updated
- 2019-09-03
Frequently asked questions
- What is Erik Zeger's NPI number?
- Erik Zeger's National Provider Identifier (NPI) is 1639188659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erik Zeger's specialty?
- Erik Zeger is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Erik Zeger located?
- Erik Zeger's practice location on file with NPPES is 100 Lancaster Ave, Wynnewood, PA 19096.
- What is Erik Zeger's phone number?
- The practice phone number listed in the NPPES registry for Erik Zeger is (610) 645-2494.
- Does Erik Zeger accept Medicare?
- Erik Zeger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erik Zeger's NPI active?
- Yes — Erik Zeger's NPI (1639188659) is active in the NPPES registry as of the last update on 2019-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.