Joshua Allen, MD
NPI 1942628458 · Medical Oncology Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joshua Allen, MD is a Medical Oncology Physician provider in Fairfax, VA (NPI 1942628458).
Provider details
- NPI number
- 1942628458
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101268640 (VA)
Specialties & taxonomies
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 tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
893 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 458 | $154 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 256 | $104 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 77 | $191 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 46 | $70 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 30 | $139 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
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 |
|---|---|---|
| Abiraterone Acetate | 326 | 41 |
| Prednisone | 200 | 63 |
| Relugolixbrand: Orgovyx | 187 | 35 |
| Apixabanbrand: Eliquis | 91 | 15 |
| Lenalidomide | 51 | — |
| Enzalutamidebrand: Xtandi | 49 | — |
| Bicalutamide | 37 | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (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
Additional practice locations (1)
- 8081 Innovation Park DrFairfax, VA 22031-4867Phone: (571) 472-4724Fax: (571) 472-0241
Registry dates
- Enumerated
- 2014-04-01
- Last updated
- 2026-04-22
- Certified
- 2026-04-22
Frequently asked questions
- What is Joshua Allen's NPI number?
- Joshua Allen's National Provider Identifier (NPI) is 1942628458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Allen's specialty?
- Joshua Allen is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Joshua Allen located?
- Joshua Allen's practice location on file with NPPES is 3580 Joseph Siewick Dr Ste 403, Fairfax, VA 22033-1764.
- What is Joshua Allen's phone number?
- The practice phone number listed in the NPPES registry for Joshua Allen is (703) 391-4395.
- Does Joshua Allen accept Medicare?
- Joshua Allen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joshua Allen's NPI active?
- Yes — Joshua Allen's NPI (1942628458) is active in the NPPES registry as of the last update on 2026-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.