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

Teng H Chang, MD

Individual provider Internal Medicine Physician · NPI 1255312328

Teng H Chang, MD is an Internal Medicine in Littleton, Colorado. Graduated from University of Kansas School of Med (KC/WICH/SAL) in 2002, 24 years ago. Practices with Optumcare Colorado Medical Group LLC, a 190-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Colorado.

Years since qualifying
24
Trained at
University of Kansas School of Med (KC/WICH/SAL)
Licensed in
CO
In the registry since
2005
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

8199 Southpark Ln Ste 100
Littleton, CO 80120-5665
Phone: (303) 730-3332
Fax: (303) 730-7766
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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 DR.0043787 (CO)

Record details

NPI number1255312328
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 7, 2005
Last updated in NPPESApril 16, 2026
Certification dateApril 16, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)
Graduated 2002 (24 years in practice)
Group practice Optumcare Colorado Medical Group Llc — 190 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Littleton