Elizabeth Pfaffenroth, M.D.
NPI 1548426927 · Hematology & Oncology Physician · Largo, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Pfaffenroth, M.D. is a Hematology & Oncology Physician provider in Largo, MD (NPI 1548426927).
Provider details
- NPI number
- 1548426927
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD037661 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
191 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 100 | $123 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 66 | $126 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 25 | $70 |
Typical Medicare-allowed amounts for these services range $70–$126 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 288 | 102 |
| Abiraterone Acetate | 182 | 29 |
| Prednisone | 156 | 34 |
| Dexamethasone | 150 | 41 |
| Gabapentin | 98 | 39 |
| Lenalidomide | 96 | 19 |
| Tbo-Filgrastimbrand: Granix | 54 | 15 |
| Filgrastim-Aafibrand: Nivestym |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-05
- Last updated
- 2021-06-11
- Certified
- 2021-05-27
Frequently asked questions
- What is Elizabeth Pfaffenroth's NPI number?
- Elizabeth Pfaffenroth's National Provider Identifier (NPI) is 1548426927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Pfaffenroth's specialty?
- Elizabeth Pfaffenroth is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Pfaffenroth located?
- Elizabeth Pfaffenroth's practice location on file with NPPES is 1221 Mercantile Ln, Largo, MD 20774-5374.
- What is Elizabeth Pfaffenroth's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Pfaffenroth is (301) 618-5500.
- Does Elizabeth Pfaffenroth accept Medicare?
- Elizabeth Pfaffenroth is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Pfaffenroth's NPI active?
- Yes — Elizabeth Pfaffenroth's NPI (1548426927) is active in the NPPES registry as of the last update on 2021-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.