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

Iona Elaine Chapman, MD

Individual provider Dermatology Physician · NPI 1720320385

Iona Elaine Chapman, MD is a Dermatology in Houston, Texas. Graduated from University of Texas Southwestern Medical School at Dallas in 2013, 13 years ago. Practices with Rio Grande Dermatology, PC, an 8-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois and Texas.

Years since qualifying
13
Trained at
University of Texas Southwestern Medical School at Dallas
Licensed in
IL, TX
In the registry since
2013
Specialties on file
2
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

7575 San Felipe St Ste 300
Houston, TX 77063
Phone: (713) 952-8400
Fax: (713) 952-9448
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2160 S 1st Ave Rm 7609, Maywood, IL 60153-3328 — (708) 216-4943
  • 109 Shult Dr Ste 200, Columbus, TX 78934-3015 — (713) 952-8400

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence R6760 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125.063329 (IL)

Record details

NPI number1720320385
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 21, 2013
Last updated in NPPESAugust 15, 2018

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 2013 (13 years in practice)
Group practice Rio Grande Dermatology, Pc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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