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

Zhengjin Cao, MD

Individual provider Internal Medicine Physician · NPI 1861616039

Zhengjin Cao, MD is an Internal Medicine in Dubuque, Iowa. Qualified in 1988, 38 years ago. Practices with Iowa Physicians Clinic Medical Foundation, a 1,242-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
38
Licensed in
IA
In the registry since
2007
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

1515 Delhi St Ste 100
Dubuque, IA 52001-6320
Phone: (563) 557-9111
Fax: (563) 589-4046
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 37147 (IA)

Record details

NPI number1861616039
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 12, 2007
Last updated in NPPESApril 6, 2021
Certification dateApril 6, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice Iowa Physicians Clinic Medical Foundation — 1242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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