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MARIETTA R CAIARELLI FNP
NPI 1891993481
Nurse Practitioner - Family in Saint Louis, MO

Active since July 05, 2007PECOS EnrolledAccepts Medicare Assignment
89.23/100
CMS Quality Rating
3646 FAIRVIEW AVE, SAINT LOUIS, MO 63116(314) 664-5565 Get Directions Write a Review

NPPES record last updated: May 12, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Marietta R Caiarelli Fnp NPPES

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

MARIETTA R CAIARELLI FNP (NPI 1891993481) is an individual family provider in Saint Louis, Missouri, licensed in Missouri (142745) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1891993481
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARIETTA R CAIARELLICredential: FNP
Location Address3646 FAIRVIEW AVESaint Louis, MO 63116-4747
Mailing Address14 Ponca TrlKirkwood, MO 63122-5112 · (314) 965-4470
Phone(314) 664-5565
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateJuly 5, 2007
Last NPPES UpdateMay 12, 2009
✔ NPI 1891993481 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 · 142745
3646 FAIRVIEW AVE, Saint Louis, MO 63116
Open in Google Maps ↗

Other Identifiers 1

Medicare PIN145740005MO

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marietta R Caiarelli Fnp 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 ID8426105602
PECOS Enrollment IDI20090403000198
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.

Areas of Expertise CMS Part B claims 3

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 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.
117 services113 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
38 services38 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
26 services26 patients

Hospital Affiliations CMS Care Compare

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

St Lukes Hospital

Acute Care Hospitals · Chesterfield, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260179
Location232 S Woods Mill RdChesterfield, MO 63017 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63116 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.

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.

89.23/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.14
Improvement Activities40

Other Providers at the Same Location NPPES 3

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

LA CLINICA
Family Medicine
3646 FAIRVIEW AVE
SAINT LOUIS, MO 63116
St. Louis City (314) 664-5564
LA CLINICA- LATINO COMMUNITY HEALTH CENTERS
Clinic/Center (Health Service)
3646 FAIRVIEW AVE
SAINT LOUIS, MO 63116
St. Louis City (314) 352-7400
LA CLINICA LATINO COMMUNITY HEALTH CENTERS
Voluntary or Charitable
3646 FAIRVIEW AVE
SAINT LOUIS, MO 63116
St. Louis City (314) 664-5565

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 Marietta Caiarelli's NPI number?

The NPI number for Marietta Caiarelli is 1891993481. It was assigned to this individual provider in the NPPES registry on July 5, 2007.

Where is Marietta Caiarelli located?

Marietta Caiarelli practices at 3646 Fairview Ave, Saint Louis, MO 63116. The listed phone number is (314) 664-5565.

What is Marietta Caiarelli's specialty?

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

Is Marietta Caiarelli enrolled in Medicare?

Yes. Marietta Caiarelli 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.

What insurance does Marietta Caiarelli accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 4 other insurers list Marietta Caiarelli 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 Marietta Caiarelli affiliated with any hospitals?

According to CMS data, Marietta Caiarelli is affiliated with St Lukes Hospital.

When was this NPI record last updated?

The NPPES record for Marietta Caiarelli was last updated on May 12, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.