WILLIAM S MATTOX APRN, CNP
NPI 1720492507
Nurse Practitioner - Family in Rockford, IL

Q: What is William Mattox's NPI number?

The NPI number for William Mattox is 1720492507. It was assigned to this individual provider in the NPPES registry on June 19, 2014.

Q: What is William Mattox's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for William Mattox was last updated on May 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since June 19, 2014PECOS EnrolledAccepts Medicare Assignment

80.8/100

CMS Quality Rating

5666 E STATE ST, ROCKFORD, IL 61108(815) 395-4548(815) 639-8501 Get Directions Write a Review

NPPES record last updated: May 9, 2024. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: May 9, 2024, Apr 20, 2017 (2 updates tracked since 2017).

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About William S Mattox Aprn, Cnp NPPES

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

WILLIAM S MATTOX APRN, CNP (NPI 1720492507) is an individual family provider in Rockford, Illinois, licensed in Illinois (209.011406) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, maintains a secondary practice location in Bourbonnais, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1720492507

Entity TypeIndividualMale

Primary Taxonomy363LF0000X

Provider Legal NameWILLIAM S MATTOXCredential: APRN, CNP

Location Address5666 E STATE STRockford, IL 61108-2425

Mailing Address871 Cook BlvdBradley, IL 60915-2620 · (815) 450-7711

Phone(815) 395-4548

Fax(815) 639-8501

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateJune 19, 2014

Last NPPES UpdateMay 9, 20242 updates tracked since enumeration

NPPES CertifiedMay 9, 2024

✔ NPI 1720492507 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in IL · 209.011406

Also ListedRegistered NurseTaxonomy 163W00000X · License 041.248851 (IL)

5666 E STATE ST, Rockford, IL 61108

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Secondary Practice Location 1

Location 1482 Main St NWBourbonnais, IL 60914-2331 · Phone (815) 939-4141

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Mountain Health CO-OP, Providence Health Plan.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

William S Mattox Aprn, Cnp 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 ID1254657562

PECOS Enrollment IDI20160203001436

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

42 services29 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

30 services20 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

27 services25 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

21 services21 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61108 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.

80.8/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

88.76

Promoting Interoperability

Improvement Activities

Cost

58.08

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.

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