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

Kristy Zerfass, PA

Individual provider Surgical Physician Assistant · NPI 1558769935

Kristy Zerfass, PA is a Physician Assistant in Danbury, Connecticut. Qualified in 2014, 12 years ago. Practices with Mhs Primary Care, Inc, a 177-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
12
Licensed in
CT
In the registry since
2014
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

20 Germantown Rd
Danbury, CT 06810-5023
Phone: (203) 744-9700
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgical Physician Assistant (primary) Taxonomy 363AS0400X · Licence 3253 (CT)

Record details

NPI number1558769935
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedDecember 16, 2014
Last updated in NPPESDecember 16, 2014
Mailing address20 Germantown Rd, Danbury, CT 06810-5023

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Mhs Primary Care, Inc. — 177 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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