DIONYSIOS NICHOLAS MARINAKIS PA-C
NPI 1174712624
Physician Assistant in Grand Rapids, MI

Active since October 22, 2007PECOS EnrolledAccepts Medicare Assignment
1900 WEALTHY ST SE STE 300, GRAND RAPIDS, MI 49506(616) 774-8345 Get Directions Write a Review

NPPES record last updated: October 20, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dionysios Nicholas Marinakis Pa-c NPPES

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

DIONYSIOS NICHOLAS MARINAKIS PA-C (NPI 1174712624) is an individual physician assistant in Grand Rapids, Michigan, licensed in Michigan (5601009542) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health United Hospital, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1174712624
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameDIONYSIOS NICHOLAS MARINAKISCredential: PA-C
Location Address1900 WEALTHY ST SE STE 300Grand Rapids, MI 49506-2969
Mailing Address100 Michigan St Ne # Mc845Grand Rapids, MI 49503-2560
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateOctober 22, 2007
Last NPPES UpdateOctober 20, 2025
NPPES CertifiedOctober 20, 2025
NPI 1174712624 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in MI · 5601009542
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1900 WEALTHY ST SE STE 300, Grand Rapids, MI 49506

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

Dionysios Nicholas Marinakis Pa-c 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 ID9739234808
PECOS Enrollment IDI20211005001727, I20211123000794
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 5

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
492 services166 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
43 services43 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.
37 services23 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
32 services32 patients
Testing for presence of drug, by chemistry analyzers 80307
Chemistry analyzers are used to detect the presence of drugs in your system. This test involves taking a small sample of your blood or urine. The sample is then analyzed for specific substances. The results help in understanding your health condition better.
13 services13 patients

Hospital Affiliations CMS Care Compare 4

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

Spectrum Health United Hospital

Acute Care Hospitals · Greenville, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230035
Location615 S Bower StreetGreenville, MI 48838 · Montcalm County
Birthing friendly

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230038
Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

Promedica Monroe Regional Hospital

Acute Care Hospitals · Monroe, MI
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230099
Location718 N Macomb StMonroe, MI 48162 · Monroe County
Emergency services Birthing friendly

Promedica Toledo Hospital

Acute Care Hospitals · Toledo, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360068
Location2142 North Cove BoulevardToledo, OH 43606 · Lucas County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49506 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
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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.

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.

Nurse Practitioner (Family)
1900 WEALTHY ST SE STE 300
GRAND RAPIDS, MI 49506
Physician Assistant
1900 WEALTHY ST SE STE 300
GRAND RAPIDS, MI 49506
Pain Medicine (Interventional Pain Medicine)
1900 WEALTHY ST SE STE 300
GRAND RAPIDS, MI 49506
Physician Assistant
1900 WEALTHY ST SE STE 300
GRAND RAPIDS, MI 49506
Physician Assistant
1900 WEALTHY ST SE STE 300
GRAND RAPIDS, MI 49506
Physician Assistant
1900 WEALTHY ST SE STE 300
GRAND RAPIDS, MI 49506
Physician Assistant
1900 WEALTHY ST SE STE 300
GRAND RAPIDS, MI 49506
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
1900 WEALTHY ST SE STE 300
GRAND RAPIDS, MI 49506

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 Dionysios Marinakis's NPI number?

The NPI number for Dionysios Marinakis is 1174712624. It was assigned to this individual provider in the NPPES registry on October 22, 2007.

Where is Dionysios Marinakis located?

Dionysios Marinakis practices at 1900 Wealthy St SE Ste 300, Grand Rapids, MI 49506. The listed phone number is (616) 774-8345.

What is Dionysios Marinakis's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Dionysios Marinakis enrolled in Medicare?

Yes. Dionysios Marinakis 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 Dionysios Marinakis accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Dionysios Marinakis 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 Dionysios Marinakis affiliated with any hospitals?

According to CMS data, Dionysios Marinakis is affiliated with Spectrum Health United Hospital, Spectrum Health, Promedica Monroe Regional Hospital and Promedica Toledo Hospital.

When was this NPI record last updated?

The NPPES record for Dionysios Marinakis was last updated on October 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.