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

Mark Chu, DO

Individual provider Gastroenterology Physician · NPI 1588755565

Mark Chu, DO is a Gastroenterology in New York, New York. Qualified in 1993, 33 years ago. Practices with Downtown Gastroenterology Associates PC, a 4-clinician group. Licensed in New York.

Years since qualifying
33
Licensed in
NY
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

13-17 Elizabeth St Ste 608
New York, NY 10013
Phone: (212) 219-8031
Fax: (212) 219-3903
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 196705 (NY)

Record details

NPI number1588755565
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 27, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Downtown Gastroenterology Associates Pc — 4 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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