Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Cassandra Marie Muxen, MD

Individual provider Internal Medicine Physician · NPI 1346744513

Cassandra Marie Muxen, MD is an Internal Medicine in North Haven, Connecticut. Graduated from University of Washington School of Medicine in 2018, 8 years ago. Practices with Hartford Healthcare Medical Group Inc, a 234-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut and Louisiana.

Years since qualifying
8
Trained at
University of Washington School of Medicine
Licensed in
CT, LA
In the registry since
2018
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

190 Universal Dr
North Haven, CT 06473
Phone: (203) 694-7550
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 071967 (CT)
Internal Medicine Physician Taxonomy 207R00000X · Licence 325226 (LA)

Record details

NPI number1346744513
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 21, 2018
Last updated in NPPESAugust 19, 2022
Certification dateAugust 16, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice Hartford Healthcare Medical Group Inc — 234 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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