Karen L. Musolf, MD
Family Medicine Physician · Chelsea, MI
Karen L. Musolf, MD is a family medicine physician with a practice address in Chelsea, Michigan, and NPI 1285723130, issued on Oct 11, 2006. Check the license (Michigan 4301075934, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Karen L. Musolf
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301075934 MI
Self-reported in NPPES; status is on the state search - Practice location
- 14700 East Old US 12, Chelsea, MI 48118
- Phone
- (734) 475-1321
- Enumerated
- Oct 11, 2006
- Record last updated
- Oct 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 4225869 MI
- Medicare enrollment
- Enrolled (PECOS I20100415000952); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 14700 East Old US 12
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbara Apgar, MDFamily Medicine Physician1801984398
- Jennifer Becker, NPFamily Nurse Practitioner1275535122
- Thomas Bishop, PSY DClinical Psychologist1760480966
- Julie Blaszczak, M.D.Family Medicine Physician1144672841
- James Cooke, MDFamily Medicine Physician1942398458
- Margaret Dobson, M.D.Family Medicine Physician1164620738
Verify Karen L. Musolf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301075934Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% more Medicare Part D claims than the average family medicine physician in 2024
6,324 Medicare Part D claims for 397 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 45 claims were for opioids.
Most prescribed
- Atorvastatin Calcium307 claims
- Levothyroxine Sodium277 claims
- Duloxetine Hcl216 claims
- Sertraline Hcl195 claims
- Eliquis185 claims
- Lisinopril180 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.
Bills Medicare through one group practice
- Regents OF The University OF MichiganChelsea, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen L. Musolf among 6,013 family medicine physician records in Michigan
Karen L. Musolf, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 75% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1985 · median 2008 among the 3,493 with a school on file
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 family medicine physician records list a practice address in Chelsea
They are 33 of the 500 NPPES records with a practice address in Chelsea, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Chelsea → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- James Alford, M.D.Chelsea, MI 481181427026624
- Barbara Apgar, MDChelsea, MI 481181801984398
- James Cooke, MDChelsea, MI 481181942398458
- Jill Fenske, MDChelsea, MI 481181255354007
- Randall Forsch, MDChelsea, MI 481181013005537
- David French, M.D.Chelsea, MI 481181790712297
- Virginia Johnson, M.D.Chelsea, MI 481181720056286
- Tarannum Master-Hunter, MDChelsea, MI 481181467541318
Common questions
What is Karen L. Musolf, MD's NPI number?
Karen L. Musolf, MD's National Provider Identifier (NPI) is 1285723130, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen L. Musolf, MD located?
The NPPES record lists a practice address at 14700 East Old US 12, Chelsea, MI, 48118. Phone: (734) 475-1321. Providers update this record themselves, so call before visiting.
How can I verify Karen L. Musolf, MD's license?
NPPES lists Michigan license number 4301075934, 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 L. Musolf, MD prescribe under Medicare Part D?
In 2024, Karen L. Musolf, MD had 6,324 Medicare Part D claims for 397 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.