Molly Stumacher, MD
NPI 1396842126 · Hematology & Oncology Physician · West Chester, PA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Molly Stumacher, MD is a Hematology & Oncology Physician provider in West Chester, PA (NPI 1396842126).
Provider details
- NPI number
- 1396842126
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD423066 (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
6,937 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) |
|---|---|---|
| Injection of Additional New Drug Or Substance Into Vein96375 | 1,543 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,102 | $130 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 733 | $5 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 550 | $132 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 541 | $15 |
| Unclassified DrugsJ3490 | 461 | $1 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 383 | 113 |
| Letrozole | 140 | 42 |
| Apixabanbrand: Eliquis | 107 | 25 |
| Hydroxyurea | 77 | 16 |
| Ondansetron Hcl | 58 | 41 |
| Rivaroxabanbrand: Xarelto | 53 | 15 |
| Prochlorperazine Maleate | 50 | 34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,339 across 114 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
- 2006-09-20
- Last updated
- 2015-08-28
Frequently asked questions
- What is Molly Stumacher's NPI number?
- Molly Stumacher's National Provider Identifier (NPI) is 1396842126, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Molly Stumacher's specialty?
- Molly Stumacher is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Molly Stumacher located?
- Molly Stumacher's practice location on file with NPPES is 440 E Marshall St, West Chester, PA 19380.
- What is Molly Stumacher's phone number?
- The practice phone number listed in the NPPES registry for Molly Stumacher is (610) 738-2500.
- Does Molly Stumacher accept Medicare?
- Molly Stumacher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Molly Stumacher's NPI active?
- Yes — Molly Stumacher's NPI (1396842126) is active in the NPPES registry as of the last update on 2015-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.