Doctor profile · Federal record

Dr. Steven Wahlen, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Chico, CA

  • NPI 1457308769
  • Accepts Medicare
  • MIPS 69.6 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
265 Cohasset RD, Suite 140
Chico, CA 959262273
(530) 891-8787
fax (530) 898-9647
Mailing address
Po Box 511470
Los Angeles, CA 900518025

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
California #RHL1388296
Medicaid
CA #00G701900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457308769. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,154
Distinct HCPCS
10
Medicare allowed
$370,278
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 1,900 229 $46
77300 Calculation of radiation therapy dose 780 137 $34
77427 Radiation treatment management, 5 treatment sessions 347 145 $197
77334 Design and construction of complex radiation treatment device 164 53 $62
77263 Complex radiation therapy planning 157 145 $173
77338 Design and construction of radiation treatment device for high precision radiation therapy 110 91 $231
77301 High precision radiation therapy planning 102 89 $431
99205 New patient office or other outpatient visit, 60-74 minutes 89 89 $183
99214 Established patient office or other outpatient visit, 30-39 minutes 89 73 $99
77280 Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77 65 $39

In context: peer comparison

Among 2 peers in Chico Radiation Oncology Physician, average services per provider: 150. This provider delivers 28× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
36
Patients
0
Total drug cost
$448
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 21 0 $328
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 15 0 $120

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Steven Wahlen's medical specialty?
Dr. Steven Wahlen practices Radiation Oncology Physician in Chico, CA.
Where does Dr. Steven Wahlen practice?
Dr. Steven Wahlen practices at 265 Cohasset RD, Chico, CA 959262273. Office phone: 5308918787.
What is Dr. Steven Wahlen's NPI?
Dr. Steven Wahlen's National Provider Identifier (NPI) is 1457308769, issued by NPPES.
Does Dr. Steven Wahlen accept Medicare assignment?
Yes. Dr. Steven Wahlen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Wahlen commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.