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

Dr. Rockford Glenn Yapp, MD, MPH

Individual provider Gastroenterology Physician · NPI 1356327910

Dr. Rockford Glenn Yapp, MD, MPH is a Gastroenterology in Downers Grove, Illinois. Graduated from University of Nebraska College of Medicine in 1984, 42 years ago. Practices with Gi Partners of Illinois PLLC, a 38-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
42
Trained at
University of Nebraska College of Medicine
Licensed in
IL
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

3825 Highland Ave Tower 2 - Ste 302
Downers Grove, IL 60515-1552
Phone: (630) 434-9312
Fax: (630) 434-9360
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X (IL)

Record details

NPI number1356327910
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedDecember 15, 2005
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF NEBRASKA COLLEGE OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Gi Partners Of Illinois Pllc — 38 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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