Doctor profile · Federal record

Dr. John Feigert, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Specialist · Arlington, VA

  • NPI 1033174560
  • Accepts Medicare
  • MIPS 89.8 / 100 · 2023
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1100 N Glebe RD Ste 1600
Arlington, VA 222015798
(571) 350-8400
fax (703) 528-0338
Mailing address
3040 Williams Dr Ste 100
Fairfax, VA 220314618

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
July 2, 2024
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Virginia #0101046366
Medicaid
VA #1033174560

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033174560. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
39,436
Distinct HCPCS
10
Medicare allowed
$1,157,758
HCPCS Description Services Patients Avg allowed
J9144 Injection, daratumumab, 10 mg and hyaluronidase-fihj 9,180 17 $48
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 6,540 11 $3
J9271 Injection, pembrolizumab, 1 mg 4,600 15 $54
J0897 Injection, denosumab, 1 mg 3,060 14 $23
J0185 Injection, aprepitant, 1 mg 1,950 11 $2
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 1,802 457 $8
36415 Insertion of needle into vein for collection of blood sample 1,800 467 $8
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,380 56 $0
80053 Blood test, comprehensive group of blood chemicals 1,353 428 $10
Q5119 Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg 1,140 14 $28

In context: peer comparison

Among 2 peers in Arlington Hematology & Oncology Physician, average services per provider: 689. This provider delivers 57× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,732
Transactions
24
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 15 $1,250.68
Gilead Sciences, INC. 1 $109.09
Adc Therapeutics America, INC. 1 $103.73
Abbvie INC. 1 $90.72
Pfizer INC. 2 $69.17
Daiichi Sankyo INC. 2 $46.14
Janssen Biotech, INC. 1 $36.28
Rigel Pharmaceuticals, INC. 1 $25.89

By nature of payment

Long Term Medical Supply or Device Loan
$1,180
Food and Beverage
$512
Education
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
546
Patients
86
Total drug cost
$2,325,007
Drug Type Claims Patients Total cost
Prednisone Generic 80 22 $647
Abiraterone Acetate Generic 63 11 $133,162
Xtandi (Enzalutamide) Brand 61 0 $740,146
Eliquis (Apixaban) Brand 56 0 $44,515
Bicalutamide Generic 41 11 $1,572
Dexamethasone Generic 36 15 $871
Prochlorperazine Maleate Generic 34 27 $536
Imbruvica (Ibrutinib) Brand 32 0 $522,572
Acyclovir Generic 28 0 $970
Letrozole Generic 28 0 $649

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Feigert's medical specialty?
Dr. John Feigert practices Hematology & Oncology Physician in Arlington, VA.
Where does Dr. John Feigert practice?
Dr. John Feigert practices at 1100 N Glebe RD Ste 1600, Arlington, VA 222015798. Office phone: 5713508400.
What is Dr. John Feigert's NPI?
Dr. John Feigert's National Provider Identifier (NPI) is 1033174560, issued by NPPES.
Does Dr. John Feigert accept Medicare assignment?
Yes. Dr. John Feigert accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Feigert commonly perform?
Top Medicare-reported procedures in 2023: Injection, daratumumab, 10 mg and hyaluronidase-fihj (HCPCS J9144); Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Injection, pembrolizumab, 1 mg (HCPCS J9271). Source: CMS Medicare Physician & Other Practitioners file.