John M Feigert, M.D. is a healthcare provider in Arlington, VA specialising in hematology/oncology. John is also listed as specialising in specialist and hematology & oncology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Feigert is a hematology/oncology in Arlington, VA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HEMATOLOGY/ONCOLOGY”.
NPI registry
Dr. Feigert is listed at 1100 N GLEBE RD STE 1600, Arlington, VA 22201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (571) 350-8400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Feigert's National Provider Identifier is 1033174560. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Feigert attended Other, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
Dr. Feigert has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Feigert performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as administration of chemotherapy into vein, 1 hour or less and injection of additional new drug or substance into vein, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Feigert. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
1100 N GLEBE RD STE 1600
Arlington, VA 22201
38,431 services · 3,370 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
1,732 |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
174 |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
145 |
| Injection, darbepoetin alfa, 1 microgram (non-esrd use) | Drug given | J0881 |
9,940 |
| Injection, daratumumab, 10 mg and hyaluronidase-fihj | Drug given | J9144 |
9,720 |
| Injection, pembrolizumab, 1 mg | Drug given | J9271 |
5,700 |
| Injection, denosumab, 1 mg | Drug given | J0897 |
2,280 |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
950 |
| Injection, granisetron hydrochloride, 100 mcg | Drug given | J1626 |
450 |
| Injection, fluorouracil, 500 mg | Drug given | J9190 |
287 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Same specialty, same street address — most likely the same department or group.
Clinically related specialties at the same address — the people this provider most likely works alongside.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in VA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.