Doctor profile · Federal record

Dr. Brian Vikstrom, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Vacaville, CA

  • NPI 1285730820
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1020 Nut Tree RD Ste 390
Vacaville, CA 956874100
(707) 624-8001
fax (707) 624-8001

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 8, 2022
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
California #A69795 · California #A 69795

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285730820. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,280
Distinct HCPCS
9
Medicare allowed
$162,208
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 487 116 $156
99214 Established patient office or other outpatient visit, 30-39 minutes 374 182 $106
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 120 40 $86
99213 Established patient office or other outpatient visit, 20-29 minutes 107 89 $72
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 84 64 $188
99205 New patient office or other outpatient visit, 60-74 minutes 39 39 $196
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 30 17 $34
99497 Advance care planning, first 30 minutes 25 18 $82
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $144

In context: peer comparison

Among 2 peers in this city , average services per provider: 130. This provider delivers 9.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$891
Transactions
35
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 7 $199.98
AstraZeneca Pharmaceuticals LP 4 $100.20
Novartis Pharmaceuticals Corporation 4 $90.58
PFIZER INC. 2 $49.94
Takeda Pharmaceuticals U.S.A., Inc. 2 $48.33
Eisai Inc. 2 $45.55
ABBVIE INC. 2 $44.84
Genentech USA, Inc. 2 $44.79
Incyte Corporation 2 $42.57
SERVIER PHARMACEUTICALS LLC 2 $42.13
Astellas Pharma US Inc 2 $36.49
Lilly USA, LLC 1 $29.73
Ipsen Biopharmaceuticals, Inc 1 $26.14
Celgene Corporation 1 $24.80
SUN PHARMACEUTICAL INDUSTRIES INC. 1 $24.71

By nature of payment

Food and Beverage
$891

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
616
Patients
151
Total drug cost
$1,719,771
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 81 24 $2,248
Dexamethasone Generic 51 24 $1,109
Ondansetron Hcl Generic 51 23 $349
Prednisone Generic 48 12 $300
Revlimid (Lenalidomide) Brand 48 0 $1,022,077
Prochlorperazine Maleate Generic 44 29 $625
Aprepitant Generic 41 0 $16,190
Letrozole Generic 38 13 $3,650
Xarelto (Rivaroxaban) Brand 38 11 $44,136
Duloxetine Hcl Generic 34 0 $1,436

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Vikstrom's medical specialty?
Dr. Brian Vikstrom practices Hematology & Oncology Physician in Vacaville, CA.
Where does Dr. Brian Vikstrom practice?
Dr. Brian Vikstrom practices at 1020 Nut Tree RD Ste 390, Vacaville, CA 956874100. Office phone: 7076248001.
What is Dr. Brian Vikstrom's NPI?
Dr. Brian Vikstrom's National Provider Identifier (NPI) is 1285730820, issued by NPPES.
Does Dr. Brian Vikstrom accept Medicare assignment?
Yes. Dr. Brian Vikstrom accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Vikstrom 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.