Michael Eerhart, MD
NPI 1508251596 · Internal Medicine Physician · Grand Rapids, MI
Enrolled with Medicare as Order and Referring Only - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Eerhart, MD is a Internal Medicine Physician provider in Grand Rapids, MI (NPI 1508251596).
Provider details
- NPI number
- 1508251596
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 68102-20 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
11 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 32 | 11 |
| Metoprolol Succinate | 22 | — |
| Potassium Chloride | 18 | — |
| Valsartan | 17 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 15 | — |
| Gabapentin | 15 | — |
| Albuterol Sulfatebrand: Ventolin Hfa |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$103 across 4 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
Additional practice locations (2)
- 375 Dixmyth AveCincinnati, OH 45220-2475Phone: (513) 862-1800Fax: (513) 751-8638
- 100 N Academy AveDanville, PA 17822-9800Phone: (570) 271-6211
Registry dates
- Enumerated
- 2015-04-06
- Last updated
- 2024-07-03
- Certified
- 2024-04-02
Frequently asked questions
- What is Michael Eerhart's NPI number?
- Michael Eerhart's National Provider Identifier (NPI) is 1508251596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Eerhart's specialty?
- Michael Eerhart is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Eerhart located?
- Michael Eerhart's practice location on file with NPPES is 4100 Lake Dr Se Ste 200, Grand Rapids, MI 49546-8292.
- What is Michael Eerhart's phone number?
- The practice phone number listed in the NPPES registry for Michael Eerhart is (616) 267-8244.
- Does Michael Eerhart accept Medicare?
- Michael Eerhart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Eerhart's NPI active?
- Yes — Michael Eerhart's NPI (1508251596) is active in the NPPES registry as of the last update on 2024-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.