Doctor profile · Federal record

Dr. Steven Bast, MD

Orthopaedic Surgery Physician · Sports Medicine (Orthopaedic Surgery) Physician · Pomona, CA

  • NPI 1659348621
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
255 E Bonita Ave Ste 101
Pomona, CA 917671923
(909) 593-7437
fax (909) 593-0318
Additional location
420 W Rowland St
Covina, CA 917232943
(626) 331-6411
fax (626) 251-1560

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
September 14, 2020
Specialty taxonomy
207X00000X — NUCC code
State licenses (2)
California #A055098 · California #A55098

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659348621. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
569
Distinct HCPCS
10
Medicare allowed
$47,392
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 262 153 $98
73562 X-ray of knee, 3 views 72 54 $47
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg 58 29 $7
73030 X-ray of shoulder, minimum of 2 views 41 35 $39
99203 New patient office or other outpatient visit, 30-44 minutes 36 36 $122
99204 New patient office or other outpatient visit, 45-59 minutes 31 31 $180
99214 Established patient office or other outpatient visit, 30-39 minutes 26 20 $139
99212 Established patient office or other outpatient visit, 10-19 minutes 16 16 $63
73502 X-ray of hip, 2-3 views 15 15 $55
20610 Aspiration and/or injection of fluid from large joint 12 12 $74

In context: peer comparison

Among 8 peers in this city , average services per provider: 128. This provider delivers 4.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$165
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Miach Orthopaedics, Inc. 1 $106.38
Avanos Medical 1 $42.92
Smith+Nephew, Inc. 1 $15.46

By nature of payment

Food and Beverage
$165

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
49
Patients
17
Total drug cost
$251
Drug Type Claims Patients Total cost
Amoxicillin Generic 18 0 $19
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 18 17 $166
Ibuprofen Generic 13 0 $65

Frequently asked questions

Auto-generated from federal data
What is Dr. Steven Bast's medical specialty?
Dr. Steven Bast practices Orthopaedic Surgery Physician in Pomona, CA.
Where does Dr. Steven Bast practice?
Dr. Steven Bast practices at 255 E Bonita Ave Ste 101, Pomona, CA 917671923. Office phone: 9095937437.
What is Dr. Steven Bast's NPI?
Dr. Steven Bast's National Provider Identifier (NPI) is 1659348621, issued by NPPES.
What procedures does Dr. Steven Bast commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); X-ray of knee, 3 views (HCPCS 73562); Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (HCPCS J0702). Source: CMS Medicare Physician & Other Practitioners file.