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

Dr. Chatchawin Assanasen, MD

Individual provider Pediatric Hematology & Oncology Physician · NPI 1205852779

Dr. Chatchawin Assanasen, MD is a Pediatric Medicine in San Antonio, Texas. Qualified in 1996, 30 years ago. Practices with Community Medicine Associates, a 589-clinician group and accepts Medicare assignment. Licensed in Florida and Texas.

Years since qualifying
30
Licensed in
FL, TX
In the registry since
2006
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

333 N Santa Rosa St 8th Fl
San Antonio, TX 78207-3108
Phone: (210) 704-2187
Fax: (210) 704-3566
Show map & directions

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

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence N9167 (TX)
Pediatric Hematology & Oncology Physician Taxonomy 2080P0207X · Licence ME80084 (FL)

Record details

NPI number1205852779
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 15, 2006
Last updated in NPPESJune 22, 2011

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Community Medicine Associates — 589 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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