Doctor profile · Federal record

Dr. Timothy Cannon, M.D.

Medical Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Hematology (Internal Medicine) Physician · Hematology & Oncology Physician · Fairfax, VA

  • NPI 1376719906
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
8081 Innovation Park Dr
Fairfax, VA 220314867
(571) 472-4724
fax (571) 472-0241
Additional location
3300 Gallows RD
Falls Church, VA 220423307
(703) 776-4001
fax (703) 776-7113
Additional location
44055 Riverside Pkwy # 108
Leesburg, VA 201765179
(703) 858-8600
fax (703) 858-8603
Show 1 more location
Additional location
4501 Empire CT
Fredericksburg, VA 224081949
(540) 371-0079
fax (540) 656-2653
Mailing address
Po Box 37174
Baltimore, MD 212973174

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
September 10, 2021
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Virginia #0101249711
Medicaid
VA #1376719906

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376719906. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
883
Distinct HCPCS
7
Medicare allowed
$126,269
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 607 213 $156
99214 Established patient office or other outpatient visit, 30-39 minutes 110 85 $107
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 57 37 $88
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 44 44 $144
99205 New patient office or other outpatient visit, 60-74 minutes 29 29 $201
99213 Established patient office or other outpatient visit, 20-29 minutes 24 24 $71
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 12 11 $55

In context: peer comparison

Among 9 peers in Fairfax Medical Oncology Physician, average services per provider: 113. This provider delivers 7.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,488
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Mirati Therapeutics, INC. 1 $1,487.50

By nature of payment

Consulting Fee
$1,488

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
489
Patients
129
Total drug cost
$1,347,011
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 54 0 $37,730
Prochlorperazine Maleate Generic 44 29 $705
Creon (Lipase/Protease/Amylase) Brand 43 12 $126,610
Olanzapine Generic 43 16 $2,170
Ondansetron Hcl Generic 42 26 $378
Xarelto (Rivaroxaban) Brand 41 0 $32,563
Dexamethasone Generic 34 19 $487
Amlodipine Besylate Generic 28 0 $302
Pantoprazole Sodium Generic 28 12 $332
Prednisone Generic 28 0 $36

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Cannon's medical specialty?
Dr. Timothy Cannon practices Medical Oncology Physician in Fairfax, VA.
Where does Dr. Timothy Cannon practice?
Dr. Timothy Cannon practices at 8081 Innovation Park Dr, Fairfax, VA 220314867. Office phone: 5714724724.
What is Dr. Timothy Cannon's NPI?
Dr. Timothy Cannon's National Provider Identifier (NPI) is 1376719906, issued by NPPES.
Does Dr. Timothy Cannon accept Medicare assignment?
Yes. Dr. Timothy Cannon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Cannon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.