Karen Louise Seaver, MD
Internal Medicine Physician · Muskegon, MI
Karen Louise Seaver, MD is an internal medicine physician with a practice address in Muskegon, Michigan, and NPI 1972571370, issued on Mar 10, 2006. Check the license (Michigan 4301042032, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Karen Louise Seaver
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301042032 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1325 Mercy Dr, Muskegon, MI 49444
- Phone
- (231) 739-2444
- Enumerated
- Mar 10, 2006
- Record last updated
- Jul 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 1419994 MI
- Medicare enrollment
- Enrolled (PECOS I20080313000044); may accept Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1977
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Verify Karen Louise Seaver in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301042032Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,097 Medicare Part D claims for 154 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Lisinopril268 claims
- Atorvastatin Calcium176 claims
- Famotidine173 claims
- Amlodipine Besylate163 claims
- Pravastatin Sodium137 claims
- Atenolol136 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Karen Louise Seaver among 5,735 internal medicine physician records in Michigan
Karen Louise Seaver, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1977 · median 2006 among the 3,564 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
47 internal medicine physician records list a practice address in Muskegon
They are 47 of the 2,646 NPPES records with a practice address in Muskegon, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Muskegon → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Bergquist, DOMuskegon, MI 494441174570303
- Wayne Brenneman, M.D.Muskegon, MI 494441346228913
- Don Campbell, MDMuskegon, MI 494441184601957
- Amy Dean, D.O.Muskegon, MI 494441982615357
- Dennis Desimone, DOMuskegon, MI 494441467468934
- Daniel Farrell, M.D.Norton Shores, MI 494441336144260
- James Grace, MDMuskegon, MI 494441215914023
- Hikmat Halasa, MDMuskegon, MI 494441386735447
Common questions
What is Karen Louise Seaver, MD's NPI number?
Karen Louise Seaver, MD's National Provider Identifier (NPI) is 1972571370, issued on Mar 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Louise Seaver, MD located?
The NPPES record lists a practice address at 1325 Mercy Dr, Muskegon, MI, 49444. Phone: (231) 739-2444. Providers update this record themselves, so call before visiting.
How can I verify Karen Louise Seaver, MD's license?
NPPES lists Michigan license number 4301042032, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Louise Seaver, MD prescribe under Medicare Part D?
In 2024, Karen Louise Seaver, MD had 3,097 Medicare Part D claims for 154 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.