Doctor profile · Federal record
Dr. Gen Maruyama, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Lakewood, CO
- NPI 1518917392
- Accepts Medicare
- MIPS 81.1 / 100 · 2023
- 31 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
11600 W 2Nd Pl
Lakewood, CO 802281527
(720) 321-0000
fax (720) 321-1621 - Mailing address
-
Po Box 223897
Pittsburgh, PA 152512897
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- January 4, 2017
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State licenses (2)
- Colorado #44907 · California #A62495
- Medicaid
- CO #40906370
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518917392. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,416
Distinct HCPCS
10
Medicare allowed
$61,035
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
71045 |
X-ray of chest, 1 view | 237 | 226 | $9 | |
71046 |
X-ray of chest, 2 views | 117 | 117 | $11 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 116 | 115 | $88 | |
72148 |
Mri scan of lower spinal canal without contrast | 108 | 108 | $71 | |
72125 |
Ct scan of upper spine without contrast | 66 | 66 | $47 | |
71275 |
Ct scan of blood vessels of chest with contrast | 62 | 62 | $87 | |
71250 |
Ct scan of chest without contrast | 59 | 59 | $51 | |
74176 |
Ct scan of abdomen and pelvis without contrast | 53 | 53 | $84 | |
72141 |
Mri scan of upper spinal canal without contrast | 49 | 49 | $70 | |
70450 |
Ct scan head or brain without contrast | 45 | 45 | $39 |
In context: peer comparison
Among 48 peers in Lakewood Diagnostic Radiology Physician, average services per provider: 72. This provider delivers 20× the peer median.Open Payments
Industry payments received
All-time total
$224
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Inari Medical, INC. | 1 | $224.38 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Gen Maruyama's medical specialty?
Dr. Gen Maruyama practices Diagnostic Radiology Physician in Lakewood, CO.
Where does Dr. Gen Maruyama practice?
Dr. Gen Maruyama practices at 11600 W 2Nd Pl, Lakewood, CO 802281527. Office phone: 7203210000.
What is Dr. Gen Maruyama's NPI?
Dr. Gen Maruyama's National Provider Identifier (NPI) is 1518917392, issued by NPPES.
Does Dr. Gen Maruyama accept Medicare assignment?
Yes. Dr. Gen Maruyama accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gen Maruyama commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); X-ray of chest, 2 views (HCPCS 71046); Ct scan of abdomen and pelvis with contrast (HCPCS 74177). Source: CMS Medicare Physician & Other Practitioners file.