GEN J MARUYAMA M.D.
NPI 1518917392
Radiology - Diagnostic Radiology in Lakewood, CO

Active since May 11, 2006PECOS EnrolledAccepts Medicare Assignment
81.07/100
CMS Quality Rating
11600 W 2ND PL, LAKEWOOD, CO 80228(720) 321-0000(720) 321-1621 Get Directions Write a Review

NPPES record last updated: January 4, 2017. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Gen J Maruyama M.d. NPPES

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

GEN J MARUYAMA M.D. (NPI 1518917392) is an individual diagnostic radiology provider in Lakewood, Colorado, licensed in Colorado (44907) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Centura St. Catherine Hospital-garden City, and is a graduate of Boston University School Of Medicine (1995).

NPPES Registry Identity

NPI1518917392
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameGEN J MARUYAMACredential: M.D.
Location Address11600 W 2ND PLLakewood, CO 80228-1527
Mailing AddressPo Box 223897Pittsburgh, PA 15251-2897 · (720) 501-5000 · Fax (303) 458-3997
Fax(720) 321-1621
Sole ProprietorNo
Medical School CMSBoston University School Of MedicineGraduated 1995
Enumeration DateMay 11, 2006
Last NPPES UpdateJanuary 4, 2017
NPI 1518917392 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses Licensed in CO · 44907 Licensed in CA · A62495
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
11600 W 2ND PL, Lakewood, CO 80228

Other Identifiers 5

Medicaid40906370CO
Medicare PINC806473CO
Medicare PINC806474CO
Medicare PINP00369517CO
Medicare UPINH19721

Accepted Insurance

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

Gen J Maruyama 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 ID9133127962
PECOS Enrollment IDI20061110000080, I20201014001299
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 23

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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
165 services160 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
161 services160 patients
Ct scan of chest without contrast 71250
A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.
86 services84 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
80 services80 patients
Mri scan of lower spinal canal without contrast 72148
An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.
76 services76 patients
Ct scan of blood vessels of chest with contrast 71275
A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.
73 services73 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Centura St. Catherine Hospital-Garden City

Acute Care Hospitals · Garden City, KS
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number170023
Location401 East SpruceGarden City, KS 67846 · Finney County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80228 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
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
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.

81.07/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality94.99
Improvement Activities40
Cost46.09

Reported Quality Measures

Nuclear Medicine: Correlation with Existing Imaging Studies for All Patients Undergoing Bone Scintigraphy
Percentage of final reports for all patients, regardless of age, undergoing bone scintigraphy that include physician documentation of correlation with existing relevant imaging studies (e.g., x-ray, MRI, CT, etc.) that were performed
100%26 patients
Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…
100%942 patients
Radiology: Stenosis Measurement in Carotid Imaging Reports
Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…
100%64 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Hospitalist
11600 W 2ND PL
LAKEWOOD, CO 80228
Emergency Medicine
11600 W 2ND PL
LAKEWOOD, CO 80228
Hospitalist
11600 W 2ND PL
LAKEWOOD, CO 80228
Nurse Anesthetist, Certified Registered
11600 W 2ND PL
LAKEWOOD, CO 80228
Anesthesiology
11600 W 2ND PL
LAKEWOOD, CO 80228
Anesthesiology
11600 W 2ND PL
LAKEWOOD, CO 80228
Radiology (Diagnostic Radiology)
11600 W 2ND PL
LAKEWOOD, CO 80228
Physician Assistant (Surgical)
11600 W 2ND PL
LAKEWOOD, CO 80228

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 Gen Maruyama's NPI number?

The NPI number for Gen Maruyama is 1518917392. It was assigned to this individual provider in the NPPES registry on May 11, 2006.

Where is Gen Maruyama located?

Gen Maruyama practices at 11600 W 2nd Pl, Lakewood, CO 80228. The listed phone number is (720) 321-0000.

What is Gen Maruyama's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Gen Maruyama enrolled in Medicare?

Yes. Gen Maruyama 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.

What insurance does Gen Maruyama accept?

Health plans from Blue Cross and Blue Shield of Kansas, Inc. list Gen Maruyama as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gen Maruyama affiliated with any hospitals?

According to CMS data, Gen Maruyama is affiliated with Centura St. Catherine Hospital-Garden City.

When was this NPI record last updated?

The NPPES record for Gen Maruyama was last updated on January 4, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.