MS. HEATHER DAWN DAVIS APRN,FNP-C
NPI 1053880781
Nurse Practitioner in Mount Vernon, IL

Active since November 26, 2018PECOS EnrolledAccepts Medicare Assignment
75.73/100
CMS Quality Rating
4119 S WATER TOWER PL STE A, MOUNT VERNON, IL 62864(618) 816-6006(618) 816-6005 Get Directions Write a Review

NPPES record last updated: April 17, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 17, 2026, Jan 11, 2021, Jan 5, 2021 and 2 more (5 updates tracked since 2018).

About Ms. Heather Dawn Davis Aprn,fnp-c NPPES

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

MS. HEATHER DAWN DAVIS APRN,FNP-C (NPI 1053880781) is an individual nurse practitioner in Mount Vernon, Illinois, licensed in Illinois (209018023) and active in the NPI registry since November 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1053880781
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. HEATHER DAWN DAVISCredential: APRN,FNP-C
Location Address4119 S WATER TOWER PL STE AMount Vernon, IL 62864-6293
Mailing Address4119 S Water Tower Pl Ste AMount Vernon, IL 62864-6293 · (618) 816-6006 · Fax (618) 816-6005
Fax(618) 816-6005
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateNovember 26, 2018
Last NPPES UpdateApril 17, 20265 updates tracked since enumeration
NPPES CertifiedApril 17, 2026
NPI 1053880781 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 · 209018023
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.
4119 S WATER TOWER PL STE A, Mount Vernon, IL 62864

Other Names 1

Former Name (1)Heather D Williams

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

Ms. Heather Dawn Davis Aprn,fnp-c 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 ID4981949948
PECOS Enrollment IDI20191127001392
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62864 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.

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.

75.73/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality63.09
Promoting Interoperability100
Improvement Activities40
Cost45.26

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.

Surgery (Vascular Surgery)
4119 S WATER TOWER PL STE A
MOUNT VERNON, IL 62864
Nurse Practitioner (Family)
4119 S WATER TOWER PL STE A
MOUNT VERNON, IL 62864
Clinic/Center (Radiology)
4119 S WATER TOWER PL STE A
MOUNT VERNON, IL 62864

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 Heather Davis's NPI number?

The NPI number for Heather Davis is 1053880781. It was assigned to this individual provider in the NPPES registry on November 26, 2018. The provider is also known as Heather D Williams.

Where is Heather Davis located?

Heather Davis practices at 4119 S Water Tower Pl Ste A, Mount Vernon, IL 62864. The listed phone number is (618) 816-6006.

What is Heather Davis's specialty?

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

Is Heather Davis enrolled in Medicare?

Yes. Heather Davis 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.

When was this NPI record last updated?

The NPPES record for Heather Davis was last updated on April 17, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.