Karen L Seaver MD PLC
NPI 1467639591 · Internal Medicine Physician · Muskegon, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen L Seaver MD PLC is a Internal Medicine Physician organization in Muskegon, MI (NPI 1467639591).
Provider details
- NPI number
- 1467639591
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Karen Seaver, Manager(231) 739-2444
- License
- 4301042032 (MI)
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
18 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
- Karen L. Seaver, MD, PC
Registry dates
- Enumerated
- 2008-01-31
- Last updated
- 2009-07-02
Frequently asked questions
- What is Karen L Seaver MD PLC's NPI number?
- Karen L Seaver MD PLC's National Provider Identifier (NPI) is 1467639591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Karen L Seaver MD PLC?
- Karen L Seaver MD PLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen L Seaver MD PLC located?
- Karen L Seaver MD PLC's practice location on file with NPPES is 1325 Mercy Dr., Muskegon, MI 49444-1884.
- What is Karen L Seaver MD PLC's phone number?
- The practice phone number listed in the NPPES registry for Karen L Seaver MD PLC is (231) 739-2444.
- Does Karen L Seaver MD PLC accept Medicare?
- Karen L Seaver MD PLC 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 Karen L Seaver MD PLC?
- The authorized official listed on Karen L Seaver MD PLC's NPPES record is Karen Seaver, Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Karen L Seaver MD PLC's NPI active?
- Yes — Karen L Seaver MD PLC's NPI (1467639591) is active in the NPPES registry as of the last update on 2009-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.