Internal Medicine of West Michigan PLLC
NPI 1619028412 · Internal Medicine Physician · Grand Rapids, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Internal Medicine of West Michigan PLLC is a Internal Medicine Physician organization in Grand Rapids, MI (NPI 1619028412).
Provider details
- NPI number
- 1619028412
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Elizabeth Kozak, Partner(616) 285-9090
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Other names (DBA / former)
- Former legal business name
- Dr'S Marvin, Gans and Roslaniec
Registry dates
- Enumerated
- 2007-01-16
- Last updated
- 2024-10-25
- Certified
- 2024-10-25
Frequently asked questions
- What is Internal Medicine of West Michigan PLLC's NPI number?
- Internal Medicine of West Michigan PLLC's National Provider Identifier (NPI) is 1619028412, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Internal Medicine of West Michigan PLLC?
- Internal Medicine of West Michigan PLLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Internal Medicine of West Michigan PLLC located?
- Internal Medicine of West Michigan PLLC's practice location on file with NPPES is 3200 Eagle Park Dr Ne, Grand Rapids, MI 49525-7057.
- What is Internal Medicine of West Michigan PLLC's phone number?
- The practice phone number listed in the NPPES registry for Internal Medicine of West Michigan PLLC is (616) 285-9090.
- Does Internal Medicine of West Michigan PLLC accept Medicare?
- Internal Medicine of West Michigan PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Internal Medicine of West Michigan PLLC?
- The authorized official listed on Internal Medicine of West Michigan PLLC's NPPES record is Elizabeth Kozak, Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Internal Medicine of West Michigan PLLC's NPI active?
- Yes — Internal Medicine of West Michigan PLLC's NPI (1619028412) is active in the NPPES registry as of the last update on 2024-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.