MRS. MELISSA BRYNN FREDERICK NP-C
NPI 1881134054
Nurse Practitioner in Greenfield, WI

Q: What is Melissa Frederick's NPI number?

The NPI number for Melissa Frederick is 1881134054. It was assigned to this individual provider in the NPPES registry on March 7, 2017. The provider is also known as Ms. Melissa Brynn Grabot.

Q: What is Melissa Frederick'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 Melissa Frederick was last updated on October 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 March 07, 2017PECOS EnrolledAccepts Medicare Assignment

6901 W EDGERTON AVE, GREENFIELD, WI 53220(414) 421-8400(414) 421-9557 Get Directions Write a Review

NPPES record last updated: October 28, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 23, 2023, Nov 18, 2021, Jan 11, 2018 (3 updates tracked since 2018).

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About Mrs. Melissa Brynn Frederick Np-c NPPES

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

MRS. MELISSA BRYNN FREDERICK NP-C (NPI 1881134054) is an individual nurse practitioner in Greenfield, Wisconsin, licensed in Wisconsin (7575) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Oak Lawn, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1881134054

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMRS. MELISSA BRYNN FREDERICKCredential: NP-C

Location Address6901 W EDGERTON AVEGreenfield, WI 53220-4420

Mailing Address6901 W Edgerton AveGreenfield, WI 53220-4420 · (414) 325-5244

Phone(414) 421-8400

Fax(414) 421-9557

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateMarch 7, 2017

Last NPPES UpdateOctober 28, 20253 updates tracked since enumeration

NPPES CertifiedOctober 28, 2025

✔ NPI 1881134054 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

Licenses✔ Licensed in WI · 7575✔ Licensed in IL · 209-019978

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.

6901 W EDGERTON AVE, Greenfield, WI 53220

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Other Names 1

Former Name (1)Ms. Melissa Brynn Grabot

Secondary Practice Location 1

Location 19555 S 52nd AveOak Lawn, IL 60453-3054 · Phone (708) 634-0950 · Fax (708) 634-0942

Other Identifiers 1

Medicaid100066382WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare), UnitedHealthcare.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

Mrs. Melissa Brynn Frederick Np-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 ID1759666753

PECOS Enrollment IDI20170313002282, I20211029000089

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 4

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.

51 services50 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.

35 services34 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

15 services15 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53220 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

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

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.

AURORA MEDICAL GROUP, INC.

Durable Medical Equipment & Medical Supplies

6901 W EDGERTON AVE
MILWAUKEE, WI 53220

Milwaukee County (414) 421-8400

ABDULREHMAN SIDDIQUI MB BCH BAO

Family Medicine