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

Dr. Johnny A. Chang, MD

Individual provider Specialist · NPI 1619975182

Dr. Johnny A. Chang, MD is an Urology in Middletown, Connecticut. Graduated from Un of California, Irvine, College of Medicine in 1997, 29 years ago. Practices with Mhs Primary Care, Inc, a 177-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut.

Years since qualifying
29
Trained at
Un of California, Irvine, College of Medicine
Licensed in
CT
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

410 Saybrook Rd
Middletown, CT 06457-4777
Phone: (860) 358-2270
Fax: (860) 358-2275
Show map & directions

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

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 041177 (CT)
Specialist Taxonomy 174400000X · Licence 041177 (CT)

Record details

NPI number1619975182
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 8, 2005
Last updated in NPPESMay 5, 2026
Certification dateMay 5, 2026

Medicare enrollment

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

Medicare specialtyUROLOGY
Medical schoolUN OF CALIFORNIA, IRVINE, COLLEGE OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Mhs Primary Care, Inc. — 177 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Middletown