DR. LESTER E MERTZ M.D.
NPI 1083696751
Internal Medicine - Rheumatology in Scottsdale, AZ

Q: What is the provider's specialty?

The provider's specialty is Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.

Active since November 17, 2005PECOS EnrolledAccepts Medicare Assignment

13400 E SHEA BLVD, SCOTTSDALE, AZ 85259(480) 301-8000 Get Directions Write a Review

NPPES record last updated: February 17, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Sep 8, 2020, Mar 13, 2019 (2 updates tracked since 2019).

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About Dr. Lester E Mertz M.d. NPPES

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

DR. LESTER E MERTZ M.D. (NPI 1083696751) is an individual rheumatology provider in Scottsdale, Arizona, licensed in Arizona (16708) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (1981).

NPPES Registry Identity

NPI1083696751

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameDR. LESTER E MERTZCredential: M.D.

Location Address13400 E SHEA BLVDScottsdale, AZ 85259-5404

Mailing Address13400 E Shea BlvdScottsdale, AZ 85259-5404 · (480) 301-8000

Phone(480) 301-8000

Sole ProprietorNo

Medical School CMSMedical College Of WisconsinGraduated 1981

Enumeration DateNovember 17, 2005

Last NPPES UpdateFebruary 17, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 17, 2026

✔ NPI 1083696751 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in AZ · 16708

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

13400 E SHEA BLVD, Scottsdale, AZ 85259

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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

Dr. Lester E Mertz M.d. 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 ID9739118803

PECOS Enrollment IDI20050809000657

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 3

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 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.

195 services148 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

123 services123 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

92 services76 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85259 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

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

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.