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

Rishi Singh Grewal, MD

Individual provider Gastroenterology Physician · NPI 1417054404

Rishi Singh Grewal, MD practises Gastroenterology in Overland Park, Kansas. Qualified in 2000, 26 years ago. Practices with Cotton-O'Neil Clinic Revocable Trust, a 658-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois, Kansas and Missouri.

Years since qualifying
26
Licensed in
IL, KS, MO
In the registry since
2006
Specialties on file
3
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

5100 W 110th St Fl 1
Overland Park, KS 66211-1215
Phone: (913) 234-7600
Show map & directions

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

Additional practice locations (2)

  • 1500 Sw 10th Ave, Topeka, KS 66604-1301 — (785) 354-6000
  • 2700 Clay Edwards Dr Ste 240, North Kansas City, MO 64116-3254 — (816) 455-0681

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 2010006692 (MO)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 036-121465 (IL)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 04-45135 (KS)

Record details

NPI number1417054404
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 20, 2006
Last updated in NPPESDecember 1, 2025
Certification dateDecember 1, 2025

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Cotton-O'Neil Clinic Revocable Trust — 658 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations10 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Upper gastrointestinal (GI) endoscopy for acid reflux 307 times · 96th percentile
Colonoscopy 208 times · 94th percentile

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients616
Services billed 1,227 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $1,045 35 payments · a meal or drink at a meeting or visit, not a fee
Education $77 1 payment · educational material or training, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Cotton-O'Neil Clinic Revocable Trust

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 658 clinicians in the practice; 12 are shown here.

Other providers in Overland Park