Margaret Von-Mehren, M.D.
NPI 1144243858 · Medical Oncology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Hematopoietic Cell Transplantation and Cellular Therapy · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Von-Mehren, M.D. is a Medical Oncology Physician provider in Philadelphia, PA (NPI 1144243858).
Provider details
- NPI number
- 1144243858
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD048548L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
201 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 | 90 | $98 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 51 | $147 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $67 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 16 | $132 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 | $131 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
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 |
|---|---|---|
| Imatinib Mesylate | 183 | 20 |
| Imatinib Mesylatebrand: Gleevec | 57 | — |
| Ripretinibbrand: Qinlock | 19 | — |
| Avapritinibbrand: Ayvakit | 14 | — |
| Pazopanib Hclbrand: Votrient | 14 | — |
| Apixabanbrand: Eliquis | 13 | — |
| Sunitinib Malate | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17,850 across 21 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
- 2006-07-25
- Last updated
- 2018-08-08
Frequently asked questions
- What is Margaret Von-Mehren's NPI number?
- Margaret Von-Mehren's National Provider Identifier (NPI) is 1144243858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Von-Mehren's specialty?
- Margaret Von-Mehren is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Von-Mehren located?
- Margaret Von-Mehren's practice location on file with NPPES is 333 Cottman Ave, Philadelphia, PA 19111.
- What is Margaret Von-Mehren's phone number?
- The practice phone number listed in the NPPES registry for Margaret Von-Mehren is (215) 728-2500.
- Does Margaret Von-Mehren accept Medicare?
- Margaret Von-Mehren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Von-Mehren's NPI active?
- Yes — Margaret Von-Mehren's NPI (1144243858) is active in the NPPES registry as of the last update on 2018-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.