Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NATHAN JOSEPH KLEIN FNP-C
NPI 1417469982
Dermatology in Phoenix, AZ

Q: What is Nathan Klein's NPI number?

The NPI number for Nathan Klein is 1417469982. It was assigned to this individual provider in the NPPES registry on October 24, 2017.

Q: What is Nathan Klein's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Q: When was this NPI record last updated?

The NPPES record for Nathan Klein was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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 October 24, 2017PECOS EnrolledAccepts Medicare Assignment

19646 N 27TH AVE STE 305, PHOENIX, AZ 85027(480) 556-0446(480) 556-0447 Get Directions Write a Review

NPPES record last updated: October 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 8, 2026, Mar 31, 2026, Apr 12, 2024 and 4 more (7 updates tracked since 2017).

On this page

About Nathan Joseph Klein Fnp-c NPPES

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

NATHAN JOSEPH KLEIN FNP-C (NPI 1417469982) is an individual dermatology provider in Phoenix, Arizona, licensed in Arizona (AP10605) and active in the NPI registry since October 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1417469982

Entity TypeIndividualMale

Primary Taxonomy207N00000X

Provider Legal NameNATHAN JOSEPH KLEINCredential: FNP-C

Location Address19646 N 27TH AVE STE 305Phoenix, AZ 85027-4027

Mailing Address20401 N 73rd St Ste 230Scottsdale, AZ 85255-4153 · (480) 556-0446 · Fax (480) 556-0447

Phone(480) 556-0446

Fax(480) 556-0447

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateOctober 24, 2017

Last NPPES UpdateOctober 8, 20267 updates tracked since enumeration

NPPES CertifiedOctober 8, 2026

✔ NPI 1417469982 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians

Taxonomy Code207N00000X

License✔ Licensed in AZ · AP10605

Definition

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License AP10605 (AZ)

19646 N 27TH AVE STE 305, Phoenix, AZ 85027

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Blue Cross Blue Shield of Arizona and more.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

Nathan Joseph Klein 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 ID6800158346

PECOS Enrollment IDI20180322000794

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 Nathan Klein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Richard Lee Averitte Jr PLLC

11 mi

Dermatology

20401 N 73RD ST, SUITE 230
Scottsdale, AZ 85255

Reassigned Medicare billing, Arizona enrollment
30 clinicians in this Medicare group

NPI 1407804115 (480) 556-0446

Nathamy LLC

17 mi

Dermatology

15207 W PEAKVIEW RD
Surprise, AZ 85387

Reassigned Medicare billing, Arizona enrollment
2 clinicians in this Medicare group

NPI 1164138319 (602) 348-8917

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 11

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.

233 services67 patients

Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes 99344

A new patient home visit is a comprehensive service where a healthcare professional visits your home for about an hour. This visit includes an overall health assessment, discussion about your medical history, and planning for future healthcare needs. The goal is to understand your health status and provide personalized care.

173 services173 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.

140 services120 patients

Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349

An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.

134 services82 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.

106 services56 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.

104 services86 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85027 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

$85.89 typical visit price

range $55.44 – $168.60

Typical copayment $21.47 (range $13.86 – $42.15)

Most-billed visit code 99203

Established Patient

$69.24 typical visit price

range $17.72 – $137.41

Typical copayment $17.31 (range $4.43 – $34.35)

Most-billed visit code 99213

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 5

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

NAYLA MANSOOR PA-C

Physician Assistant (Medical)