Marion Oliver
NPI 1497106439 · Neurology Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marion Oliver is a Neurology Physician provider in Grand Rapids, MI (NPI 1497106439).
Provider details
- NPI number
- 1497106439
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 4301110799 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
229 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Tube Into Intracranial Artery for Diagnosis Or Treatment With Review By Radiologist36223 | 54 | $339 |
| Insertion of Tube Into Brain Artery for Diagnosis Or Treatment With Review By Radiologist36226 | 40 | $423 |
| Review By Radiologist of Image for Insertion of Material to Block Blood Flow75894 | 28 | $81 |
| Occlusion of Central Nervous System Or Spinal Cord Artery61624 | 27 | $1,365 |
| Insertion of Tube Into Internal Neck Artery for Diagnosis Or Treatment With Review By Radiologist36224 | 24 | $320 |
| Insertion of Tube Into External Neck Artery for Diagnosis Or Treatment With Review By Radiologist36227 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$949 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-06-30
- Last updated
- 2026-01-06
- Certified
- 2026-01-06
Frequently asked questions
- What is Marion Oliver's NPI number?
- Marion Oliver's National Provider Identifier (NPI) is 1497106439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marion Oliver's specialty?
- Marion Oliver is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Marion Oliver located?
- Marion Oliver's practice location on file with NPPES is 275 Michigan St Ne, Grand Rapids, MI 49503-2531.
- What is Marion Oliver's phone number?
- The practice phone number listed in the NPPES registry for Marion Oliver is (616) 267-7900.
- Does Marion Oliver accept Medicare?
- Marion Oliver is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marion Oliver's NPI active?
- Yes — Marion Oliver's NPI (1497106439) is active in the NPPES registry as of the last update on 2026-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.