Doctor profile · Federal record

Dr. Steven Yamazaki, M.D.

Family Medicine Physician (CMS: Family Practice) · Sports Medicine (Family Medicine) Physician · Sports Medicine (Family Medicine) Physician · Castle Rock, CO

  • NPI 1861757890
  • Accepts Medicare
  • MIPS 77.2 / 100 · 2023
  • 18 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
831 S Perry St, #200
Castle Rock, CO 801041919
(303) 218-7774
Mailing address
17005 Hastings Ave
Parker, CO 801347657

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Profile last updated
October 3, 2017
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Colorado #DR.0056881 · Georgia #66919
Medicaid
CO #59317515

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861757890. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,145
Distinct HCPCS
10
Medicare allowed
$93,418
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 297 79 $131
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 224 34 $1
76882 Limited ultrasound scan of joint or other extremity structure except blood vessels 172 69 $43
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 147 54 $129
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose 97 22 $128
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg 54 30 $7
97760 Training in the use of orthopedic device for arm, leg and/or trunk, each 15 minutes 38 29 $51
76942 Ultrasonic guidance for needle placement 30 28 $31
20550 Injection into tendon or ligament 24 15 $56
99204 New patient office or other outpatient visit, 45-59 minutes 23 23 $170

In context: peer comparison

Among 8 peers in this city , average services per provider: 167. This provider delivers 6.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,200
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
TRICE MEDICAL, INC. 1 $4,200.00

By nature of payment

Consulting Fee
$4,200

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
114
Patients
99
Total drug cost
$1,450
Drug Type Claims Patients Total cost
Diclofenac Sodium Generic 53 43 $1,223
Tramadol Hcl Generic 42 38 $108
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 19 18 $119

Frequently asked questions

Auto-generated from federal data
What is Dr. Steven Yamazaki's medical specialty?
Dr. Steven Yamazaki practices Family Medicine Physician in Castle Rock, CO.
Where does Dr. Steven Yamazaki practice?
Dr. Steven Yamazaki practices at 831 S Perry St, Castle Rock, CO 801041919. Office phone: 3032187774.
What is Dr. Steven Yamazaki's NPI?
Dr. Steven Yamazaki's National Provider Identifier (NPI) is 1861757890, issued by NPPES.
Does Dr. Steven Yamazaki accept Medicare assignment?
Yes. Dr. Steven Yamazaki accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Yamazaki commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Limited ultrasound scan of joint or other extremity structure except blood vessels (HCPCS 76882). Source: CMS Medicare Physician & Other Practitioners file.