John Feigert, M.D.
NPI 1033174560 · Hematology & Oncology Physician · Arlington, VA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Feigert, M.D. is a Hematology & Oncology Physician provider in Arlington, VA (NPI 1033174560).
Provider details
- NPI number
- 1033174560
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101046366 (VA)
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
20 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
10,543 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,732 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,415 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 1,239 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 834 | $100 |
| Gammaglobulin (immune System Protein) Measurement82784 | 605 | $9 |
| Nephelometry, Test Method Using Light83883 | 430 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Enzalutamidebrand: Xtandi | 104 | 17 |
| Prednisone | 100 | 29 |
| Apixabanbrand: Eliquis | 69 | 18 |
| Abiraterone Acetate | 65 | 12 |
| Acyclovir | 65 | 19 |
| Apalutamidebrand: Erleada | 58 | — |
| Lenalidomide | 41 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,732 across 24 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
- 2006-04-18
- Last updated
- 2024-07-02
- Certified
- 2024-07-02
Frequently asked questions
- What is John Feigert's NPI number?
- John Feigert's National Provider Identifier (NPI) is 1033174560, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Feigert's specialty?
- John Feigert is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Feigert located?
- John Feigert's practice location on file with NPPES is 1100 N Glebe Rd Ste 1600, Arlington, VA 22201-5798.
- What is John Feigert's phone number?
- The practice phone number listed in the NPPES registry for John Feigert is (571) 350-8400.
- Does John Feigert accept Medicare?
- John Feigert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Feigert's NPI active?
- Yes — John Feigert's NPI (1033174560) is active in the NPPES registry as of the last update on 2024-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.