1. Home
  2. Directory
  3. Missouri
  4. Saint Louis
  5. Nurse Practitioner
  6. NPI Profile

MS. CHLOE SUZANNE DATILLO NURSE PRACTITIONER
NPI 1366096703
Nurse Practitioner - Family in Saint Louis, MO

Active since July 24, 2019PECOS EnrolledAccepts Medicare Assignment
1201 S GRAND BLVD, SAINT LOUIS, MO 63104(314) 617-2000 Get Directions Write a Review

NPPES record last updated: May 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 6, 2026, Nov 19, 2019, Jul 24, 2019 (3 updates tracked since 2019).

About Ms. Chloe Suzanne Datillo Nurse Practitioner NPPES

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

MS. CHLOE SUZANNE DATILLO NURSE PRACTITIONER (NPI 1366096703) is an individual family provider in Saint Louis, Missouri, licensed in Missouri (2019025323) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, is affiliated with Alton Memorial Hospital, and maintains a secondary practice location in St Louis.

NPPES Registry Identity

NPI1366096703
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. CHLOE SUZANNE DATILLOCredential: NURSE PRACTITIONER
Location Address1201 S GRAND BLVDSaint Louis, MO 63104-1016
Mailing Address2865 Netherton Dr.St Louis, MO 63136 · (314) 653-1600 · Fax (314) 355-5716
Phone(314) 617-2000
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJuly 24, 2019
Last NPPES UpdateMay 6, 20263 updates tracked since enumeration
NPPES CertifiedMay 6, 2026
✔ NPI 1366096703 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MO · 2019025323
1201 S GRAND BLVD, Saint Louis, MO 63104
Open in Google Maps ↗

Secondary Practice Location 1

Location 12865 Netherton Dr.St Louis, MO 63136 · Phone (314) 653-1600 · Fax (314) 355-5716

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Medica.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

Ms. Chloe Suzanne Datillo Nurse Practitioner 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 ID8325378185
PECOS Enrollment IDI20190923000895, I20220903000386
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

5

Medicare enrollment records show Chloe Datillo reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ssm Health Care Group
Same address
Internal Medicine
1225 SOUTH GRAND BLVD, 2L - DOOR 3,4
Saint Louis, MO 63104
  • Reassigned Medicare billing, Missouri enrollment
  • 1,294 clinicians in this Medicare group
NPI 1306589544 (314) 977-6100
Christian Hospital Physician Billing Services LLC
10 mi
Cardiovascular Disease
11125 DUNN RD STE 204
Saint Louis, MO 63136
  • Reassigned Medicare billing, Missouri enrollment
  • 24 clinicians in this Medicare group
NPI 1689828501 (314) 653-5066
David J. Pernikoff, MD, PC
11 mi
Internal Medicine
2865 NETHERTON DR
Saint Louis, MO 63136
  • Reassigned Medicare billing, Missouri enrollment
  • 7 clinicians in this Medicare group
NPI 1952596314 (314) 653-1600
St Louis Cardiology Consultants Ltd
19 mi
Cardiovascular Disease
2 MEMORIAL DR STE 106
Alton, IL 62002
  • Reassigned Medicare billing, Illinois enrollment
  • 16 clinicians in this Medicare group
NPI 1801831045 (618) 433-1861
Alton Memorial Physician Billing Services LLC
19 mi
Multi-Specialty
1 PROFESSIONAL DR
Alton, IL 62002
  • Reassigned Medicare billing, Illinois enrollment
  • 17 clinicians in this Medicare group
NPI 1558783647 (618) 474-0130

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 8

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
587 services447 patients
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.
65 services52 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
44 services37 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
32 services32 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.
27 services26 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.
20 services20 patients

Hospital Affiliations CMS Care Compare 3

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

Alton Memorial Hospital

Acute Care Hospitals · Alton, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140002
LocationOne Memorial DriveAlton, IL 62002 · Madison County
Emergency services Birthing friendly

Ssm Health Saint Louis University Hospital

Acute Care Hospitals · Saint Louis, MO
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number260105
Location3635 Vista AveSaint Louis, MO 63110 · St. Louis City County
Emergency services

Christian Hospital Northeast

Acute Care Hospitals · Saint Louis, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260180
Location11133 Dunn RoadSaint Louis, MO 63136 · St. Louis County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63104 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DOUG LONGO APRN
Nurse Practitioner (Acute Care)
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-8000
JOHN JOSEPH HOUSER
Student in an Organized Health Care Education/Training Program
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-8000
NABIHA NOOR SHAMSHUDDIN MD
Hospitalist
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-8000
AMAN PATEL
Radiology (Diagnostic Radiology)
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-8000
MS. KEELEY FERRELL RYAN PA-C
Physician Assistant
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-1320
PATRICK SWEENEY
Student in an Organized Health Care Education/Training Program
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-8000
DR. SHAMEELA NASRULLAH KHIMANI MD
Pediatrics
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 617-3239
IBRAHIM SHAMASNEH M.D.
Hospitalist
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 617-2000

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 Chloe Datillo's NPI number?

The NPI number for Chloe Datillo is 1366096703. It was assigned to this individual provider in the NPPES registry on July 24, 2019.

Where is Chloe Datillo located?

Chloe Datillo practices at 1201 S Grand Blvd, Saint Louis, MO 63104. The listed phone number is (314) 617-2000.

What is Chloe Datillo's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Chloe Datillo enrolled in Medicare?

Yes. Chloe Datillo 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 Chloe Datillo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chloe Datillo reassigns Medicare benefits to 5 organizations: Ssm Health Care Group (Saint Louis, MO), Christian Hospital Physician Billing Services LLC (Saint Louis, MO), David J. Pernikoff, MD, PC (Saint Louis, MO), St Louis Cardiology Consultants Ltd (Alton, IL) and Alton Memorial Physician Billing Services LLC (Alton, IL). 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 Chloe Datillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Chloe Datillo accept?

Health plans from Anthem Blue Cross and Blue Shield and Medica list Chloe Datillo 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 Chloe Datillo affiliated with any hospitals?

According to CMS data, Chloe Datillo is affiliated with Alton Memorial Hospital, Ssm Health Saint Louis University Hospital and Christian Hospital Northeast.

When was this NPI record last updated?

The NPPES record for Chloe Datillo was last updated on May 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.