Doctor profile · Federal record
Dr. Dionysios Marinakis, PA-C
Physician Assistant · Grand Rapids, MI
- NPI 1174712624
- Accepts Medicare
- 19 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1900 Wealthy St Se Ste 300
Grand Rapids, MI 495062969
(616) 774-8345 - Mailing address
-
100 Michigan St Ne # Mc845
Grand Rapids, MI 495032560
Credentials & registration
- NPI registered
- October 2007 — 19 yrs on file
- Profile last updated
- October 20, 2025
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Michigan #5601009542
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174712624. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
592
Distinct HCPCS
9
Medicare allowed
$43,534
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 245 | 134 | $73 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 159 | 81 | $54 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 41 | 41 | $103 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 38 | 38 | $132 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 24 | 18 | $77 | |
80307 |
Testing for presence of drug, by chemistry analyzers | 22 | 22 | $61 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 22 | 15 | $65 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 21 | 21 | $66 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 20 | 20 | $91 |
In context: peer comparison
Among 234 peers in Grand Rapids Physician Assistant, average services per provider: 56. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$33
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Cordis US Corp. | 1 | $17.55 | |
| Masimo Corporation | 1 | $15.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,727
Patients
538
Total drug cost
$37,052
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 405 | 101 | $8,896 |
| Gabapentin | Generic | 307 | 93 | $4,331 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 298 | 86 | $8,688 |
| Tramadol Hcl | Generic | 154 | 50 | $951 |
| Oxycodone Hcl | Generic | 124 | 36 | $3,706 |
| Pregabalin | Generic | 75 | 21 | $1,506 |
| Cyclobenzaprine Hcl | Generic | 69 | 34 | $659 |
| Morphine Sulfate ER (Morphine Sulfate) | Brand | 61 | 19 | $1,107 |
| Tizanidine Hcl | Generic | 61 | 21 | $1,448 |
| Lidocaine | Generic | 41 | 15 | $3,831 |
Hospital affiliations
Frequently asked questions
What is Dr. Dionysios Marinakis's medical specialty?
Dr. Dionysios Marinakis practices Physician Assistant in Grand Rapids, MI.
Where does Dr. Dionysios Marinakis practice?
Dr. Dionysios Marinakis practices at 1900 Wealthy St Se Ste 300, Grand Rapids, MI 495062969. Office phone: 6167748345.
What is Dr. Dionysios Marinakis's NPI?
Dr. Dionysios Marinakis's National Provider Identifier (NPI) is 1174712624, issued by NPPES.
Does Dr. Dionysios Marinakis accept Medicare assignment?
Yes. Dr. Dionysios Marinakis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dionysios Marinakis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.