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

Dr. Hari H Diwakaran, MD

Individual provider Gastroenterology Physician · NPI 1285694703

Dr. Hari H Diwakaran, MD is a Gastroenterology in Saint Charles, Missouri. Qualified in 1987, 39 years ago. Practices with SSM Medical Group Inc, a 560-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
39
Licensed in
MO
In the registry since
2006
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

400 1st Capitol Dr Ste 201
Saint Charles, MO 63301-2882
Phone: (636) 669-2332
Fax: (636) 669-2401
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 108324 (MO)

Record details

NPI number1285694703
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2006
Last updated in NPPESOctober 21, 2020
Certification dateOctober 21, 2020

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Ssm Medical Group Inc — 560 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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