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

Diane Kyung Kwak, PT

Individual provider Physical Therapist · NPI 1598025777

Diane Kyung Kwak, PT is registered under Physical Therapist in Private Practice in Berkeley Heights, New Jersey. Qualified in 2007, 19 years ago. Practices with Summit Medical Group PA, a 1,205-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
19
Licensed in
NJ
In the registry since
2012
What do these letters mean?
PT — Physical Therapist
A licensed therapist who treats movement, pain and injury.

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Practice location Address checks out

1 Diamond Hill Rd
Berkeley Heights, NJ 07922-2104 Not confirmed with CMS for 12 years — call before visiting
Phone: (908) 277-8936
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence 40QA01261700 (NJ)

Record details

NPI number1598025777
Entity typeIndividual (Type 1)
GenderFemale
Credentials PT
Sole proprietorYes
NPI enumeratedMay 22, 2012
Last updated in NPPESJuly 25, 2014

Medicare enrollment

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

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Summit Medical Group Pa — 1205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients133
Services billed 2,090 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Summit Medical Group PA

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1205 clinicians in the practice; 12 are shown here.

Other providers in Berkeley Heights