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RAJAT SHAILLY MD
NPI 1912427246
Internal Medicine in Chesterfield, MO

Active since June 27, 2017PECOS EnrolledAccepts Medicare Assignment
222 S WOODS MILL ROAD, 760 NORTH, CHESTERFIELD, MO 63017(314) 205-6050(314) 434-5939 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Jun 27, 2017 (2 updates tracked since 2017).

About Rajat Shailly Md NPPES

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

RAJAT SHAILLY MD (NPI 1912427246) is an individual internal medicine provider in Chesterfield, Missouri, licensed in Missouri (2017021043) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Floyd Valley Healthcare, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1912427246
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameRAJAT SHAILLYCredential: MD
Location Address222 S WOODS MILL ROAD, 760 NORTHChesterfield, MO 63017
Mailing Address222 S Woods Mill RdChesterfield, MO 63017-3625 · (314) 205-6050 · Fax (314) 434-5939
Phone(314) 205-6050
Fax(314) 434-5939
Sole ProprietorYes
Medical School CMSOtherGraduated 2013
Enumeration DateJune 27, 2017
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1912427246 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MO · 2017021043
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
222 S WOODS MILL ROAD, 760 NORTH, Chesterfield, MO 63017
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Sunflower Health Plan, Ambetter Health, Ambetter Health of Delaware 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

Rajat Shailly 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 ID8224445937
PECOS Enrollment IDI20210325000419
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

2

Medicare enrollment records show Rajat Shailly reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Avera Mckennan
436 mi
Rural Health
1100 S 10TH AVE, STE 100
Rock Rapids, IA 51246
  • Reassigned Medicare billing, South Dakota enrollment
  • 1,277 clinicians in this Medicare group
NPI 1003389206 (712) 472-5300
Avera Medical Group Webster
585 mi
Family Medicine
401 E HIGHWAY 12 STE 2
Webster, SD 57274
  • Reassigned Medicare billing, South Dakota enrollment
  • Medicare enrollment name: Avera St Lukes
  • 259 clinicians in this Medicare group
NPI 1588978423 (605) 345-2222

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 5

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.
260 services124 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
132 services67 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.
95 services94 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
86 services86 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
34 services34 patients

Hospital Affiliations CMS Care Compare 5

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

Floyd Valley Healthcare

Critical Access Hospitals · Le Mars, IA
OwnershipGovernment - Local
CMS Certification Number161368
Location714 Lincoln St NELe Mars, IA 51031 · Plymouth County
Emergency services Birthing friendly

Avera St Anthony's Hospital

Critical Access Hospitals · O' Neill, NE
OwnershipVoluntary non-profit - Church
CMS Certification Number281329
Location300 North 2nd StO' Neill, NE 68763 · Holt County
Emergency services

Avera St Lukes

Acute Care Hospitals · Aberdeen, SD
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number430014
Location305 S State St Post Office Box 4450Aberdeen, SD 57401 · Brown County
Emergency services Birthing friendly

Avera Mckennan Hospital & University Health Center

Acute Care Hospitals · Sioux Falls, SD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number430016
Location1325 S Cliff AveSioux Falls, SD 57117 · Minnehaha County
Emergency services Birthing friendly

Avera Heart Hospital Of South Dakota

Acute Care Hospitals · Sioux Falls, SD
5/5 CMS rating
OwnershipProprietary
CMS Certification Number430095
Location4500 W 69th StSioux Falls, SD 57108 · Lincoln County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63017 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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.

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 Rajat Shailly's NPI number?

The NPI number for Rajat Shailly is 1912427246. It was assigned to this individual provider in the NPPES registry on June 27, 2017.

Where is Rajat Shailly located?

Rajat Shailly practices at 222 S Woods Mill Road, 760 North, Chesterfield, MO 63017. The listed phone number is (314) 205-6050.

What is Rajat Shailly's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Rajat Shailly enrolled in Medicare?

Yes. Rajat Shailly 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 Rajat Shailly's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rajat Shailly reassigns Medicare benefits to 2 organizations: Avera Mckennan (Rock Rapids, IA) and Avera Medical Group Webster (Webster, SD). 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 Rajat Shailly's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rajat Shailly accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Avera Health Plans and Wellmark Health Plan of Iowa, Inc. and 1 other insurer list Rajat Shailly 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 Rajat Shailly affiliated with any hospitals?

According to CMS data, Rajat Shailly is affiliated with Floyd Valley Healthcare, Avera St Anthony's Hospital, Avera St Lukes, Avera Mckennan Hospital & University Health Center and Avera Heart Hospital Of South Dakota.

When was this NPI record last updated?

The NPPES record for Rajat Shailly was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.