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STACY ANN MESSERSMITH FNP
NPI 1689161598
Nurse Practitioner - Family in Johns Island, SC

Active since April 16, 2018PECOS EnrolledAccepts Medicare Assignment
345 FRESHFIELDS DR STE J101, JOHNS ISLAND, SC 29455(843) 768-4800 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 10, 2026, Oct 2, 2022, May 26, 2021 and 4 more (7 updates tracked since 2018).

About Stacy Ann Messersmith Fnp NPPES

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

STACY ANN MESSERSMITH FNP (NPI 1689161598) is an individual family provider in Johns Island, South Carolina, licensed in South Carolina (21821) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Bon Secours-st Francis Xavier Hospital, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1689161598
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameSTACY ANN MESSERSMITHCredential: FNP
Location Address345 FRESHFIELDS DR STE J101Johns Island, SC 29455-5443
Mailing AddressPo Box 751649Charlotte, NC 28275-1649 · (888) 472-0043 · Fax (843) 724-2440
Phone(843) 768-4800
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 16, 2018
Last NPPES UpdateMarch 10, 20267 updates tracked since enumeration
NPPES CertifiedMarch 10, 2026
✔ NPI 1689161598 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 SC · 21821
345 FRESHFIELDS DR STE J101, Johns Island, SC 29455
Open in Google Maps ↗

Other Identifiers 1

MedicaidNP5242SC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include First Choice Next, Oscar Health Plan of North Carolina, Inc.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

Stacy Ann Messersmith 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 ID143576645
PECOS Enrollment IDI20180712002022
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 Reassignment

Medicare enrollment records show Stacy Messersmith reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Roper Saint Francis Physicians Network
Same address
Family Medicine
345 FRESHFIELDS DR, SUITE J101
Johns Island, SC 29455
  • Reassigned Medicare billing, South Carolina enrollment
  • 658 clinicians in this Medicare group
NPI 1912148693 (843) 768-4800

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 10

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.
216 services171 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.
183 services148 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.
123 services123 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
19 services17 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.
19 services19 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
19 services17 patients

Hospital Affiliations CMS Care Compare 2

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

Bon Secours-St Francis Xavier Hospital

Acute Care Hospitals · Charleston, SC
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420065
Location2095 Henry Tecklenburg DriveCharleston, SC 29414 · Charleston County
Emergency services Birthing friendly

Roper Hospital

Acute Care Hospitals · Charleston, SC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420087
Location316 Calhoun StCharleston, SC 29401 · Charleston County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29455 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
$83.18 typical visit price
range $53.57 – $163.84
Typical copayment $20.79 (range $13.39 – $40.96)
Most-billed visit code 99203
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
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.

Referred Medical Equipment & Supplies CMS DME claims 11

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
2 suppliers15 claims15 services$32.13 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
1 supplier12 claims12 services$77.54 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
2 suppliers13 claims26 services$28.42 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
3 suppliers24 claims125 services$12.67 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
4 suppliers39 claims39 services$46.06 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
4 suppliers34 claims34 services$15.30 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

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

DOMINIQUE SAMARANE BULTSMA MD
Internal Medicine
345 FRESHFIELDS DR STE J101
JOHNS ISLAND, SC 29455
Charleston County (843) 768-4800
DR. SARAH E RELYEA-LOGAN MD
Family Medicine
345 FRESHFIELDS DR STE J101
JOHNS ISLAND, SC 29455
Charleston County (843) 768-4800
DR. SASHA MILLEMAN PEREZ M.D.
Family Medicine
345 FRESHFIELDS DR STE J101
JOHNS ISLAND, SC 29455
Charleston County (843) 768-4800
MR. ARTHUR DUNCAN WELLS OLIPHANT PA
Physician Assistant
345 FRESHFIELDS DR STE J101
JOHNS ISLAND, SC 29455
Charleston County (843) 768-4800

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 Stacy Messersmith's NPI number?

The NPI number for Stacy Messersmith is 1689161598. It was assigned to this individual provider in the NPPES registry on April 16, 2018.

Where is Stacy Messersmith located?

Stacy Messersmith practices at 345 Freshfields Dr Ste J101, Johns Island, SC 29455. The listed phone number is (843) 768-4800.

What is Stacy Messersmith's specialty?

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

Is Stacy Messersmith enrolled in Medicare?

Yes. Stacy Messersmith 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 organization bills Medicare for Stacy Messersmith's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stacy Messersmith reassigns Medicare benefits to Roper Saint Francis Physicians Network (Johns Island, SC). The 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 Stacy Messersmith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stacy Messersmith accept?

Health plans from First Choice Next and Oscar Health Plan of North Carolina, Inc list Stacy Messersmith 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 Stacy Messersmith affiliated with any hospitals?

According to CMS data, Stacy Messersmith is affiliated with Bon Secours-St Francis Xavier Hospital and Roper Hospital.

When was this NPI record last updated?

The NPPES record for Stacy Messersmith was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.