FLESSCIA S MERCER APN
NPI 1265215610
Nurse Practitioner in Peoria, IL

Q: What is Flesscia Mercer's NPI number?

The NPI number for Flesscia Mercer is 1265215610. It was assigned to this individual provider in the NPPES registry on August 17, 2023.

Q: What is Flesscia Mercer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Flesscia Mercer was last updated on March 2, 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.

Active since August 17, 2023PECOS EnrolledAccepts Medicare Assignment

8940 N WOOD SAGE RD, PEORIA, IL 61615(309) 243-3000(309) 243-3069 Get Directions Write a Review

NPPES record last updated: March 2, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 2, 2026, Mar 5, 2024, Aug 17, 2023 (3 updates tracked since 2023).

On this page

About Flesscia S Mercer Apn NPPES

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

FLESSCIA S MERCER APN (NPI 1265215610) is an individual nurse practitioner in Peoria, Illinois, licensed in Illinois (209028105) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS, is affiliated with St Mary Medical Center, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1265215610

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameFLESSCIA S MERCERCredential: APN

Location Address8940 N WOOD SAGE RDPeoria, IL 61615-7822

Mailing Address8940 N Wood Sage RdPeoria, IL 61615-7822 · (309) 243-3000 · Fax (309) 243-3069

Phone(309) 243-3000

Fax(309) 243-3069

Sole ProprietorNo

Medical School CMSOtherGraduated 2023

Enumeration DateAugust 17, 2023

Last NPPES UpdateMarch 2, 20263 updates tracked since enumeration

NPPES CertifiedMarch 2, 2026

✔ NPI 1265215610 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IL · 209028105

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

8940 N WOOD SAGE RD, Peoria, IL 61615

Open in Google Maps ↗

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

Flesscia S Mercer Apn 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 ID2567817067

PECOS Enrollment IDI20231018000461

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 18

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.

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

337 services172 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.

307 services229 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

288 services148 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

285 services157 patients

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.

247 services161 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

79 services60 patients

Iron level 83540

An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.

79 services60 patients

Iron binding capacity 83550

Iron binding capacity is a blood test that measures how well your body can bind and transport iron. This helps your healthcare provider assess if your body has too little or too much iron, which can indicate certain health conditions.

79 services60 patients

Magnesium level 83735

A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.

79 services45 patients

Gammaglobulin (immune system protein) measurement 82784

Gammaglobulin measurement is a blood test that checks the levels of certain proteins (gammaglobulins) that the body uses to fight infections. High or low levels can indicate various health conditions. It's a simple, quick procedure with minimal discomfort.

65 services18 patients

Lactate dehydrogenase (enzyme) level 83615

A Lactate Dehydrogenase level test measures the amount of this enzyme in your body. It's often done when tissue damage is suspected, as high levels can indicate issues like heart disease, lung disease, liver disease, or blood disorders. This test helps in diagnosing and monitoring these conditions.

44 services28 patients

Measurement of immunoglobulin light chains 83521

Measurement of immunoglobulin light chains is a blood test that helps to detect and monitor certain disorders related to your immune system. It measures the levels of specific proteins, known as light chains, produced by your immune cells.

38 services15 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

38 services21 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.

36 services36 patients

Psa (prostate specific antigen) measurement, total 84153

PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.

32 services21 patients

Thyroxine (thyroid chemical), free 84439

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

29 services17 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

17 services13 patients

Protein measurement, serum 84165

A serum protein measurement is a blood test that determines the levels of proteins in your blood. It is used to evaluate your overall health, and diagnose nutritional problems, kidney disease, liver disease, or immune disorders.

15 services13 patients

Hospital Affiliations CMS Care Compare 5

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

St Mary Medical Center

Acute Care Hospitals · Galesburg, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140064

Location3333 North SeminaryGalesburg, IL 61401 · Knox County

Emergency services Birthing friendly

Saint Francis Medical Center

Acute Care Hospitals · Peoria, IL

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140067

Location530 NE Glen Oak AvePeoria, IL 61637 · Peoria County

Emergency services Birthing friendly

Osf Saint Elizabeth Mdl Ctr

Acute Care Hospitals · Ottawa, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140110

Location1100 E Norris DriveOttawa, IL 61350 · La Salle County

Emergency services Birthing friendly

Osf Saint Luke Medical Center

Critical Access Hospitals · Kewanee, IL

OwnershipVoluntary non-profit - Private

CMS Certification Number141325

Location1051 West South StreetKewanee, IL 61443 · Henry County

Emergency services

Osf Saint Clare Medical Center

Critical Access Hospitals · Princeton, IL

OwnershipGovernment - Local

CMS Certification Number141337

Location530 Park Avenue EastPrinceton, IL 61356 · Bureau County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61615 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

$85.71 typical visit price

range $54.80 – $168.44

Typical copayment $21.42 (range $13.70 – $42.11)

Most-billed visit code 99203

Established Patient

$97.25 typical visit price

range $17.16 – $136.56

Typical copayment $24.31 (range $4.29 – $34.14)

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.

DEBRA E BEACH APN

Clinical Nurse Specialist