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DR. STEVEN KIYOSHI YAMAZAKI M.D.
NPI 1861757890
Family Medicine in Castle Rock, CO

Active since July 05, 2012PECOS EnrolledAccepts Medicare Assignment
77.17/100
CMS Quality Rating
831 S PERRY ST, #200, CASTLE ROCK, CO 80104(303) 218-7774 Get Directions Write a Review

NPPES record last updated: October 3, 2017. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 25, 2016, Sep 13, 2016 (2 updates tracked since 2016).

About Dr. Steven Kiyoshi Yamazaki M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEVEN KIYOSHI YAMAZAKI M.D. (NPI 1861757890) is an individual family medicine provider in Castle Rock, Colorado, licensed in Colorado (DR.0056881) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1861757890
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. STEVEN KIYOSHI YAMAZAKICredential: M.D.
Location Address831 S PERRY ST, #200Castle Rock, CO 80104-1919
Mailing Address17005 Hastings AveParker, CO 80134-7657 · (229) 312-1000
Phone(303) 218-7774
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateJuly 5, 2012
Last NPPES UpdateOctober 3, 20172 updates tracked since enumeration
✔ NPI 1861757890 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CO · DR.0056881
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedFamily Medicine · Sports MedicineTaxonomy 207QS0010X · License 66919 (GA), DR.0056881 (CO)
831 S PERRY ST, Castle Rock, CO 80104
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Other Names 1

Other Name (5)Dr. Kiyoshi Yamazaki M.d.

Other Identifiers 3

Medicare PIN512029ZRL9CO
OtherDR.0056881CO · Colorado State License
Medicaid59317515CO

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Steven Kiyoshi Yamazaki M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082860259
PECOS Enrollment IDI20160720000232
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg J7318
Hyaluronan or derivative, Durolane, is a treatment injected directly into the joint to relieve pain and improve mobility. It's often used for arthritis in the knee. The substance works by supplementing your body's natural joint fluid to help lubricate and cushion the joint.
3,605 services32 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
328 services48 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
293 services82 patients
Aspiration and/or injection of fluid large joint using ultrasound guidance 20611
This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.
171 services65 patients
Limited ultrasound scan of joint or other extremity structure except blood vessels 76882
A limited ultrasound scan of a joint or other extremity structure lacking blood vessels is a non-invasive procedure that uses sound waves to create images of the inside of your body. This helps in diagnosing and monitoring conditions related to your joints or other similar structures.
149 services62 patients
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose J7324
Orthovisc is a treatment involving injections of a substance called hyaluronan into your joints. Hyaluronan is a natural substance in your joint fluid that aids in movement and reduces pain. The Orthovisc injections help replenish this substance, relieving joint pain.
88 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.17/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80.27
Promoting Interoperability81
Improvement Activities40
Cost59.47

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Walker, folding, wheeled, adjustable or fixed height E0143
DME-Other DME · category DE000N
1 supplier12 claims12 services$44.00 avg. paid by Medicare
Knee orthosis, elastic with joints, prefabricated, off-the-shelf L1812
DME-Orthotic Devices · category DF011N
3 suppliers35 claims36 services$57.73 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALEXANDRIA WALLACE
Behavior Technician
831 S PERRY ST
CASTLE ROCK, CO 80104
Douglas County (719) 309-2684
ELIZABETH ANN GOOD WYKNENKO MFT-I
Marriage & Family Therapist
831 S PERRY ST
CASTLE ROCK, CO 80104
Douglas County (303) 730-8858
MRS. INGRID ARELIS MCDOWELL LPC
Counselor (Professional)
831 S PERRY ST
CASTLE ROCK, CO 80104
Douglas County (303) 730-8858
BROOKE REESE
Behavior Technician
831 S PERRY ST
CASTLE ROCK, CO 80104
Douglas County (719) 309-2684
TERESA H. SMILEY LPC INTERN
Counselor (Professional)
831 S PERRY ST
CASTLE ROCK, CO 80104
Douglas County (303) 730-8858
DR. RUBY J MARTINEZ CNS
Clinical Nurse Specialist (Psychiatric/Mental Health)
831 S PERRY ST, SUITE 100
CASTLE ROCK, CO 80104
Douglas County (303) 688-6276
LOGAN CARPENTER
Behavior Technician
831 S PERRY ST
CASTLE ROCK, CO 80104
Douglas County (719) 309-2684
DESIREE MARIE BURK
Counselor (Professional)
831 S PERRY ST
CASTLE ROCK, CO 80104
Douglas County (303) 730-8858

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Steven Yamazaki's NPI number?

The NPI number for Steven Yamazaki is 1861757890. It was assigned to this individual provider in the NPPES registry on July 5, 2012. The provider is also known as Dr. Kiyoshi Yamazaki M.D..

Where is Steven Yamazaki located?

Steven Yamazaki practices at 831 S Perry St #200, Castle Rock, CO 80104. The listed phone number is (303) 218-7774.

What is Steven Yamazaki's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Steven Yamazaki enrolled in Medicare?

Yes. Steven Yamazaki is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Steven Yamazaki was last updated on October 3, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.