Erik Marchinek, PA
NPI 1720481831 · Physician Assistant · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erik Marchinek, PA is a Physician Assistant provider in Grand Rapids, MI (NPI 1720481831).
Provider details
- NPI number
- 1720481831
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 5601008559 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 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
86 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 37 | $68 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 25 | $112 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 24 | $91 |
Typical Medicare-allowed amounts for these services range $68–$112 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clopidogrel Bisulfatebrand: Clopidogrel | 56 | 29 |
| Atorvastatin Calcium | 55 | 28 |
| Metoprolol Succinate | 53 | 27 |
| Ticagrelorbrand: Brilinta | 41 | 19 |
| Nitroglycerin | 38 | 31 |
| Rosuvastatin Calcium | 19 | 13 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 across 1 record (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
- 2014-10-02
- Last updated
- 2021-02-26
- Certified
- 2021-02-26
Frequently asked questions
- What is Erik Marchinek's NPI number?
- Erik Marchinek's National Provider Identifier (NPI) is 1720481831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erik Marchinek's specialty?
- Erik Marchinek is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Erik Marchinek located?
- Erik Marchinek's practice location on file with NPPES is 100 Michigan St Ne, Grand Rapids, MI 49503.
- What is Erik Marchinek's phone number?
- The practice phone number listed in the NPPES registry for Erik Marchinek is (616) 391-3431.
- Does Erik Marchinek accept Medicare?
- Erik Marchinek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erik Marchinek's NPI active?
- Yes — Erik Marchinek's NPI (1720481831) is active in the NPPES registry as of the last update on 2021-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.