Doctor profile · Federal record

Dr. David Janssen, M.D.

Therapeutic Radiology Physician (CMS: Radiation Oncology) · Victoria, TX

  • NPI 1093894198
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2807 N Ben Wilson St, Suite 201
Victoria, TX 779015730
(361) 576-9812
fax (361) 574-1580
Mailing address
1502 E Red River St, #347
Victoria, TX 779015523

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
February 2, 2010
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
2085R0203X — NUCC code
State license (1)
Texas #G3494
Medicaid (2)
TX #125696802 · TX #125696801

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093894198. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,581
Distinct HCPCS
10
Medicare allowed
$146,336
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 965 76 $43
77427 Radiation treatment management, 5 treatment sessions 227 55 $182
77300 Calculation of radiation therapy dose 80 52 $32
77263 Complex radiation therapy planning 61 57 $161
77338 Design and construction of radiation treatment device for high precision radiation therapy 58 38 $218
77334 Design and construction of complex radiation treatment device 43 28 $56
99205 New patient office or other outpatient visit, 60-74 minutes 37 37 $165
77301 High precision radiation therapy planning 35 33 $407
99215 Established patient office or other outpatient visit, 40-54 minutes 25 23 $137
77290 Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 18 14 $80

In context: peer comparison

Among 1 peers in Victoria Therapeutic Radiology Physician, average services per provider: 131. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
46
Patients
0
Total drug cost
$360
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 31 0 $250
Levothyroxine Sodium Generic 15 0 $110

Frequently asked questions

Auto-generated from federal data
What is Dr. David Janssen's medical specialty?
Dr. David Janssen practices Therapeutic Radiology Physician in Victoria, TX.
Where does Dr. David Janssen practice?
Dr. David Janssen practices at 2807 N Ben Wilson St, Victoria, TX 779015730. Office phone: 3615769812.
What is Dr. David Janssen's NPI?
Dr. David Janssen's National Provider Identifier (NPI) is 1093894198, issued by NPPES.
Does Dr. David Janssen accept Medicare assignment?
Yes. Dr. David Janssen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Janssen commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.