RISHI SINGH GREWAL MD
NPI 1417054404
Internal Medicine - Gastroenterology in Overland Park, KS

Q: What is Rishi Grewal's NPI number?

The NPI number for Rishi Grewal is 1417054404. It was assigned to this individual provider in the NPPES registry on September 20, 2006. The provider is also known as Ajitinder Singh Grewal MD.

Q: What is Rishi Grewal's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Rishi Grewal was last updated on December 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 20, 2006PECOS EnrolledAccepts Medicare Assignment

94.3/100

CMS Quality Rating

5100 W 110TH ST FL 1, OVERLAND PARK, KS 66211(913) 234-7600 Get Directions Write a Review

NPPES record last updated: December 1, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 1, 2025, Dec 6, 2024, Sep 6, 2024 and 2 more (5 updates tracked since 2021).

On this page

About Rishi Singh Grewal Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RISHI SINGH GREWAL MD (NPI 1417054404) is an individual gastroenterology provider in Overland Park, Kansas, licensed in Missouri (2010006692) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Stormont Vail Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1417054404

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameRISHI SINGH GREWALCredential: MD

Location Address5100 W 110TH ST FL 1Overland Park, KS 66211-1215

Mailing Address5100 W 110th StOverland Park, KS 66211-1215 · (913) 234-7600

Phone(913) 234-7600

Sole ProprietorNo

Medical School CMSOtherGraduated 2000

Enumeration DateSeptember 20, 2006

Last NPPES UpdateDecember 1, 20255 updates tracked since enumeration

NPPES CertifiedDecember 1, 2025

✔ NPI 1417054404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in MO · 2010006692✔ Licensed in IL · 036-121465✔ Licensed in KS · 04-45135

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

5100 W 110TH ST FL 1, Overland Park, KS 66211

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Other Names 1

Former Name (1)Ajitinder Singh Grewal Md

Secondary Practice Locations 2

Location 11500 SW 10th AveTopeka, KS 66604-1301 · Phone (785) 354-6000

Location 22700 Clay Edwards Dr Ste 240North Kansas City, MO 64116-3254 · Phone (816) 455-0681 · Fax (816) 455-5294

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Rishi Singh Grewal Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496823346

PECOS Enrollment IDI20100615000464, I20211021000496

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Rishi Grewal reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Shawnee Mission Medical Center Inc

5.2 mi

Family Medicine

9100 W 74TH ST
Merriam, KS 66204

Reassigned Medicare billing, Kansas enrollment
384 clinicians in this Medicare group

NPI 1992735690 (913) 676-2000

Meritas Health Corporation

16 mi

Obstetrics & Gynecology

2790 CLAY EDWARDS DR, SUITE 530
North Kansas City, MO 64116

Reassigned Medicare billing, Missouri enrollment
702 clinicians in this Medicare group

NPI 1386999696 (816) 452-3300

Cass Regional Medical Center

24 mi

Critical Access

2800 E ROCK HAVEN RD
Harrisonville, MO 64701

Reassigned Medicare billing, Missouri enrollment
84 clinicians in this Medicare group

NPI 1477535326 (816) 380-3474

Midwest Division - Lrhc LLC

45 mi

Critical Access

1500 STATE ST
Lexington, MO 64067

Reassigned Medicare billing, Missouri enrollment
112 clinicians in this Medicare group

NPI 1639362460 (660) 259-2203

Cotton-O'neil Clinic Revocable Trust

57 mi

Internal Medicine

901 SW GARFIELD AVE
Topeka, KS 66606

Reassigned Medicare billing, Kansas enrollment
854 clinicians in this Medicare group

NPI 1811944457 (785) 354-9591

Golden Valley Memorial Hospital District

60 mi

Clinic/Center

603 E GAINES DR
Clinton, MO 64735

Reassigned Medicare billing, Missouri enrollment
220 clinicians in this Medicare group

NPI 1396379830 (660) 885-5511

Carroll County Memorial Hospital

69 mi

Critical Access

1502 N JEFFERSON ST
Carrollton, MO 64633

Reassigned Medicare billing, Missouri enrollment
91 clinicians in this Medicare group

NPI 1528067113 (660) 542-1695

Mercy Clinic Springfield Communities

81 mi

Rural Health

309 E HOSPITAL RD
El Dorado Springs, MO 64744

Reassigned Medicare billing, Missouri enrollment
1,487 clinicians in this Medicare group

NPI 1851427785 (417) 876-5851

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

336 services216 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

209 services204 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

92 services84 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

92 services91 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

87 services84 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

58 services55 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

52 services52 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

37 services32 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

31 services31 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

30 services30 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

19 services16 patients

Dilation of esophagus 43450

Dilation of the esophagus is a procedure aimed to stretch or open up your esophagus (the tube connecting your mouth to your stomach) when it's narrow. It helps to improve swallowing and alleviate discomfort. It's typically performed using a flexible tube or balloon, under sedation.

18 services17 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

17 services17 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

14 services13 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

14 services14 patients

Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43255

This procedure involves using a flexible tube with a light, called an endoscope, to examine and treat bleeding in the esophagus, stomach, or upper small bowel. It's a safe, effective way to control bleeding and ensure your digestive health.

13 services13 patients

Diagnostic exam of lower portion of large bowel using a flexible endoscope 45330

This procedure, known as a sigmoidoscopy, involves using a flexible tube with a camera to examine the lower part of your large bowel. It helps in identifying issues like inflammation, ulcers, or abnormal growths. It's a safe, minimally invasive procedure.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Stormont Vail Hospital

Acute Care Hospitals · Topeka, KS

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number170086

Location1500 SW 10th AvenueTopeka, KS 66604 · Shawnee County

Emergency services Birthing friendly

Adventhealth Shawnee Mission

Acute Care Hospitals · Shawnee Mission, KS

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number170104

Location9100 W 74th StreetShawnee Mission, KS 66204 · Johnson County

Emergency services Birthing friendly

North Kansas City Hospital

Acute Care Hospitals · North Kansas City, MO

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number260096

Location2800 Clay Edwards DriveNorth Kansas City, MO 64116 · Clay County

Emergency services Birthing friendly

Carroll County Memorial Hospital

Critical Access Hospitals · Carrollton, MO

OwnershipVoluntary non-profit - Private

CMS Certification Number261332

Location1502 North JeffersonCarrollton, MO 64633 · Carroll County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 66211 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$122.41 typical visit price

range $53.00 – $161.67

Typical copayment $30.60 (range $13.25 – $40.41)

Most-billed visit code 99204

Established Patient

$94.12 typical visit price

range $16.88 – $132.11

Typical copayment $23.53 (range $4.22 – $33.02)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.3/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

88.6

Promoting Interoperability

100

Improvement Activities

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rishi Grewal's NPI number?

The NPI number for Rishi Grewal is 1417054404. It was assigned to this individual provider in the NPPES registry on September 20, 2006. The provider is also known as Ajitinder Singh Grewal MD.

Where is Rishi Grewal located?

Rishi Grewal practices at 5100 W 110th St Fl 1, Overland Park, KS 66211. The listed phone number is (913) 234-7600.

What is Rishi Grewal's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Rishi Grewal enrolled in Medicare?

Yes. Rishi Grewal is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Rishi Grewal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rishi Grewal reassigns Medicare benefits to 8 organizations: Shawnee Mission Medical Center Inc (Merriam, KS), Meritas Health Corporation (North Kansas City, MO), Cass Regional Medical Center (Harrisonville, MO), Midwest Division - Lrhc LLC (Lexington, MO), Cotton-O'neil Clinic Revocable Trust (Topeka, KS) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rishi Grewal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rishi Grewal accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 5 other insurers list Rishi Grewal as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Rishi Grewal affiliated with any hospitals?

According to CMS data, Rishi Grewal is affiliated with Stormont Vail Hospital, Adventhealth Shawnee Mission, North Kansas City Hospital and Carroll County Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Rishi Grewal was last updated on December 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.