DR. ALEXANDER DOMINICUS ZWART MD, FACP
NPI 1225018856
Internal Medicine - Endocrinology, Diabetes & Metabolism in Tucson, AZ

Q: What is Alexander Zwart's NPI number?

The NPI number for Alexander Zwart is 1225018856. It was assigned to this individual provider in the NPPES registry on January 19, 2006.

Q: What is Alexander Zwart's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Alexander Zwart was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 January 19, 2006PECOS EnrolledAccepts Medicare Assignment

98.3/100

CMS Quality Rating

5910 N LA CHOLLA BLVD, TUCSON, AZ 85741(520) 297-0404(520) 297-0436 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 4, 2025, Sep 17, 2021 (2 updates tracked since 2021).

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About Dr. Alexander Dominicus Zwart Md, Facp NPPES

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

DR. ALEXANDER DOMINICUS ZWART MD, FACP (NPI 1225018856) is an individual endocrinology, diabetes & metabolism provider in Tucson, Arizona, licensed in Arizona (23182) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1988).

NPPES Registry Identity

NPI1225018856

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameDR. ALEXANDER DOMINICUS ZWARTCredential: MD, FACP

Location Address5910 N LA CHOLLA BLVDTucson, AZ 85741-3535

Mailing AddressPo Box 43160Tucson, AZ 85733-3160 · (520) 297-0404 · Fax (520) 297-0436

Phone(520) 297-0404

Fax(520) 297-0436

Sole ProprietorNo

Medical School CMSOtherGraduated 1988

Enumeration DateJanuary 19, 2006

Last NPPES UpdateDecember 4, 20252 updates tracked since enumeration

NPPES CertifiedDecember 4, 2025

✔ NPI 1225018856 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in AZ · 23182

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

5910 N LA CHOLLA BLVD, Tucson, AZ 85741

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Other Identifiers 1

Medicaid315160AZ

Accepted Insurance

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

Dr. Alexander Dominicus Zwart Md, Facp 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 ID2961694872

PECOS Enrollment IDI20101011000897

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 8

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.

851 services642 patients

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251

This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.

241 services163 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.

123 services100 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.

43 services43 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.

36 services36 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

35 services35 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85741 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.

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.

98.3/100

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

Scored as part of a group practice

Promoting Interoperability

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of insulin infusion catheter, per week A4224

DME-Other DME · category DE017N

7 suppliers93 claims1,168 services$18.09 avg. paid by Medicare

Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225

DME-Other DME · category DE017N

7 suppliers93 claims2,939 services$2.36 avg. paid by Medicare

Supply allowance for adjunctive continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service A4238

DME-Medical/Surgical Supplies · category DA000N

2 suppliers33 claims33 services$172.78 avg. paid by Medicare

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

28 suppliers90 claims416 services$6.32 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

18 suppliers47 claims100 services$1.09 avg. paid by Medicare

External ambulatory infusion pump, insulin E0784

DME-Other DME · category DE017N

4 suppliers68 claims68 services$308.72 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 13

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

TUCSON ENDOCRINE ASSOCIATES PLLC

Internal Medicine (Endocrinology, Diabetes & Metabolism)