TAMMY L. PREWITT F.N.P.
NPI 1831283894
Nurse Practitioner - Family in Eureka, MO

Active since October 03, 2006PECOS EnrolledAccepts Medicare Assignment
20 THE LEGENDS PKWY, EUREKA, MO 63025(636) 938-3399(636) 938-9609 Get Directions Write a Review

NPPES record last updated: February 28, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 28, 2018, Aug 31, 2016 (2 updates tracked since 2016).

About Tammy L. Prewitt F.n.p. NPPES

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

TAMMY L. PREWITT F.N.P. (NPI 1831283894) is an individual family provider in Eureka, Missouri, licensed in Missouri (131584) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1831283894
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameTAMMY L. PREWITTCredential: F.N.P.
Location Address20 THE LEGENDS PKWYEureka, MO 63025-3801
Mailing Address20 The Legends PkwyEureka, MO 63025-3801 · (636) 938-3399 · Fax (636) 938-9609
Fax(636) 938-9609
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateOctober 3, 2006
Last NPPES UpdateFebruary 28, 20182 updates tracked since enumeration
NPI 1831283894 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 · 131584
20 THE LEGENDS PKWY, Eureka, MO 63025

Other Names 1

Former Name (1)Tammy Simers Fnp

Other Identifiers 1

Medicaid1831283894MO

Accepted 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

Tammy L. Prewitt F.n.p. 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 ID9931391620
PECOS Enrollment IDI20101013000845
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 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.

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.
86 services69 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.
63 services44 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
20 services20 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
12 services12 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Mercy Hospital Washington

Acute Care Hospitals · Washington, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260052
Location901 East 5th StreetWashington, MO 63090 · Franklin County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63025 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 10

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

Physician Assistant
20 THE LEGENDS PKWY
EUREKA, MO 63025
Internal Medicine
20 THE LEGENDS PKWY
EUREKA, MO 63025
Internal Medicine
20 THE LEGENDS PKWY
EUREKA, MO 63025
Orthopaedic Surgery
20 THE LEGENDS PKWY, SUITE 100
EUREKA, MO 63025
Family Medicine
20 THE LEGENDS PKWY
EUREKA, MO 63025
Clinic/Center (Multi-Specialty)
20 THE LEGENDS PKWY, SUITE 100
EUREKA, MO 63025
Physician Assistant
20 THE LEGENDS PKWY
EUREKA, MO 63025
Orthopaedic Surgery
20 THE LEGENDS PKWY
EUREKA, MO 63025

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 Tammy Prewitt's NPI number?

The NPI number for Tammy Prewitt is 1831283894. It was assigned to this individual provider in the NPPES registry on October 3, 2006. The provider is also known as Tammy Simers Fnp.

Where is Tammy Prewitt located?

Tammy Prewitt practices at 20 The Legends Pkwy, Eureka, MO 63025. The listed phone number is (636) 938-3399.

What is Tammy Prewitt's specialty?

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

Is Tammy Prewitt enrolled in Medicare?

Yes. Tammy Prewitt 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 Tammy Prewitt accept?

Health plans from Anthem Blue Cross and Blue Shield and Medica list Tammy Prewitt 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 Tammy Prewitt affiliated with any hospitals?

According to CMS data, Tammy Prewitt is affiliated with Mercy Hospital St Louis and Mercy Hospital Washington.

When was this NPI record last updated?

The NPPES record for Tammy Prewitt was last updated on February 28, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.