KELSEY J. MASON FNP-BC
NPI 1134551641
Nurse Practitioner in Plymouth, MN

Q: What is Kelsey Mason's NPI number?

The NPI number for Kelsey Mason is 1134551641. It was assigned to this individual provider in the NPPES registry on August 7, 2013. The provider is also known as Kelsey J. Hoyt Fnp-Bc.

Q: What is Kelsey Mason'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 Kelsey Mason was last updated on March 1, 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 August 07, 2013PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

2 CARLSON PKWY N STE 240, PLYMOUTH, MN 55447(618) 961-1950(618) 961-1968 Get Directions Write a Review

NPPES record last updated: March 1, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 1, 2023, Oct 7, 2022, Dec 15, 2021 and 3 more (6 updates tracked since 2015).

On this page

About Kelsey J. Mason Fnp-bc NPPES

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

KELSEY J. MASON FNP-BC (NPI 1134551641) is an individual nurse practitioner in Plymouth, Minnesota, licensed in Illinois (209010593) and active in the NPI registry since August 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1134551641

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameKELSEY J. MASONCredential: FNP-BC

Location Address2 CARLSON PKWY N STE 240Plymouth, MN 55447-4485

Mailing Address2 Carlson Pkwy N Ste 240Plymouth, MN 55447-4485 · (763) 367-7110 · Fax (763) 317-1566

Phone(618) 961-1950

Fax(618) 961-1968

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateAugust 7, 2013

Last NPPES UpdateMarch 1, 20246 updates tracked since enumeration

NPPES CertifiedMarch 1, 2024

✔ NPI 1134551641 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IL · 209010593

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.

Also ListedRegistered NurseTaxonomy 163W00000X · License 041409099 (IL)

Also ListedDermatologyTaxonomy 207N00000X · License 209010593 (IL)

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 2020026942 (MO)

2 CARLSON PKWY N STE 240, Plymouth, MN 55447

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Other Names 1

Former Name (1)Kelsey J. Hoyt Fnp-bc

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, UnitedHealthcare.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

Kelsey J. Mason Fnp-bc 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 ID1759515752

PECOS Enrollment IDI20131007000291

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 Reassignments

Medicare enrollment records show Kelsey Mason reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dermatology And Skin Cancer Specialists, LLC.

419 mi

Dermatology

3265 NE RALPH POWELL RD
Lees Summit, MO 64064

Reassigned Medicare billing, Missouri enrollment
39 clinicians in this Medicare group

NPI 1366632697 (816) 524-4747

United Skin Specialists Illinois Ltd, PC

518 mi

Dermatology

4107 S WATER TOWER PL
Mount Vernon, IL 62864

Reassigned Medicare billing, Illinois enrollment
21 clinicians in this Medicare group

NPI 1194225268 (618) 244-0031

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 15

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.

Destruction of precancer skin growth, 2-14 growths 17003

This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.

492 services144 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.

459 services337 patients

Biopsy of related skin growth, first growth 11102

A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.

435 services388 patients

Destruction of precancer skin growth, 1 growth 17000

"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.

313 services263 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.

252 services202 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.

224 services224 patients

Biopsy of related skin growth, each additional growth 11103

A biopsy of related skin growth is a procedure where a small piece of skin growth is removed for testing. If additional growths are identified, they may also be biopsied. This helps in diagnosing skin conditions and planning appropriate treatment.

222 services133 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.

206 services206 patients

Destruction of skin growth, 1-14 growths 17110

"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.

180 services159 patients

Destruction of precancer skin growth, 15 or more growths 17004

This procedure involves removing 15 or more precancerous skin growths to prevent them from developing into cancer. It's done using various methods like freezing, creams, or minor surgery. The goal is to protect your health by stopping cancer before it starts.

130 services110 patients

Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm 17262

This procedure involves removing a cancerous skin growth on the trunk, arms, or legs that is between 1.1 and 2.0 cm in size. The growth is destroyed using methods like surgery, laser, or freezing, aiming to eliminate cancer and prevent its spread.

46 services38 patients

Biopsy of ear 69100

A biopsy of the ear is a medical procedure where a small sample of tissue is taken from your ear for examination. This helps doctors diagnose any abnormalities or diseases. It's a simple process, usually done under local anesthesia, and has minimal risks.

32 services29 patients

Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 12032

This procedure involves the repair of a wound between 2.6-7.5 cm located on the scalp, underarms, trunk, arms, or legs. The process includes cleaning, debridement (removal of damaged tissue), and suturing (stitching) of the wound to promote healing.

30 services29 patients

Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm 11603

This procedure involves the removal of a cancerous skin growth, between 2.1 and 3.0 cm, from the body, arms, or legs. The area is numbed, then the growth is carefully cut out. The goal is to eliminate all cancer cells while minimizing scarring.

15 services15 patients

Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm 11602

This procedure involves the surgical removal of a cancerous skin growth on the body, arms, or legs. The growth is between 1.1 and 2.0 cm in size. The goal is to eliminate cancer cells and prevent them from spreading to other parts of the body.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55447 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

$85.82 typical visit price

range $56.00 – $168.28

Typical copayment $21.45 (range $14.00 – $42.07)

Most-billed visit code 99203

Established Patient

$98.61 typical visit price

range $18.32 – $138.04

Typical copayment $24.65 (range $4.58 – $34.51)

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.

100/100

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

Scored as part of a group practice

Quality

100

Improvement Activities

Other Providers at the Same Location NPPES

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

ADAM SCHMITT M.D.

Dermatology (MOHS-Micrographic Surgery)

2 CARLSON PKWY N STE 240
PLYMOUTH, MN 55447

Hennepin County (763) 367-7108

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 Kelsey Mason's NPI number?

The NPI number for Kelsey Mason is 1134551641. It was assigned to this individual provider in the NPPES registry on August 7, 2013. The provider is also known as Kelsey J. Hoyt Fnp-Bc.

Where is Kelsey Mason located?

Kelsey Mason practices at 2 Carlson Pkwy N Ste 240, Plymouth, MN 55447. The listed phone number is (618) 961-1950.

What is Kelsey Mason's specialty?

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

Is Kelsey Mason enrolled in Medicare?

Yes. Kelsey Mason 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 organizations bill Medicare for Kelsey Mason's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kelsey Mason reassigns Medicare benefits to 2 organizations: Dermatology And Skin Cancer Specialists, LLC. (Lees Summit, MO) and United Skin Specialists Illinois Ltd, PC (Mount Vernon, IL). Each 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 Kelsey Mason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kelsey Mason accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and UnitedHealthcare list Kelsey Mason 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.

When was this NPI record last updated?

The NPPES record for Kelsey Mason was last updated on March 1, 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.