XIOMARA DIAZ
NPI 1831818202
Family Medicine in Iowa City, IA

Q: What is the provider's specialty?

The provider's specialty is Family Medicine with taxonomy code 207Q00000X.

Active since August 26, 2022PECOS Enrolled

200 HAWKINS DR, IOWA CITY, IA 52242(319) 384-7222 Get Directions Write a Review

NPPES record last updated: May 21, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: May 21, 2026, Aug 26, 2022 (2 updates tracked since 2022).

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About Xiomara Diaz NPPES

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

XIOMARA DIAZ (NPI 1831818202) is an individual family medicine provider in Iowa City, Iowa, licensed in Iowa (R-13835) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831818202

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameXIOMARA DIAZ

Location Address200 HAWKINS DRIowa City, IA 52242-1009

Mailing Address200 Hawkins DrIowa City, IA 52242-1009 · (319) 384-7222

Phone(319) 384-7222

Sole ProprietorNo

Enumeration DateAugust 26, 2022

Last NPPES UpdateMay 21, 20262 updates tracked since enumeration

NPPES CertifiedMay 21, 2026

✔ NPI 1831818202 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in IA · R-13835

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

200 HAWKINS DR, Iowa City, IA 52242

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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 (PECOS)

Xiomara Diaz is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52242 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

$81.84 typical visit price

range $52.96 – $161.40

Typical copayment $20.46 (range $13.24 – $40.35)

Most-billed visit code 99203

Established Patient

$94.05 typical visit price

range $16.91 – $131.98

Typical copayment $23.51 (range $4.22 – $32.99)

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.