MERCEDES DEY NIKZAD MD
NPI 1558822270
Surgery in Phoenix, AZ

Q: What is Mercedes Nikzad's NPI number?

The NPI number for Mercedes Nikzad is 1558822270. It was assigned to this individual provider in the NPPES registry on March 26, 2019.

Q: What is Mercedes Nikzad's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Mercedes Nikzad was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 March 26, 2019PECOS EnrolledAccepts Medicare Assignment

500 W THOMAS RD STE 400, PHOENIX, AZ 85013(602) 406-3874(602) 406-2335 Get Directions Write a Review

NPPES record last updated: June 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Mercedes Dey Nikzad Md NPPES

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

MERCEDES DEY NIKZAD MD (NPI 1558822270) is an individual surgery provider in Phoenix, Arizona, licensed in Arizona (77087) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Phoenix, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1558822270

Entity TypeIndividualFemale

Primary Taxonomy208600000X

Provider Legal NameMERCEDES DEY NIKZADCredential: MD

Location Address500 W THOMAS RD STE 400Phoenix, AZ 85013-4238

Mailing AddressPo Box 33269Phoenix, AZ 85067-3269 · (602) 406-4786 · Fax (916) 636-4358

Phone(602) 406-3874

Fax(602) 406-2335

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateMarch 26, 2019

Last NPPES UpdateJune 8, 2026

NPPES CertifiedJune 8, 2026

✔ NPI 1558822270 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in AZ · 77087

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Also ListedColon & Rectal SurgeryTaxonomy 208C00000X · License 77087 (AZ)

500 W THOMAS RD STE 400, Phoenix, AZ 85013

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Secondary Practice Location 1

Location 1625 N 6th St Ste 402Phoenix, AZ 85004-3067 · Phone (602) 406-8222 · Fax (602) 604-4722

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc.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

Mercedes Dey Nikzad Md 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 ID5991039877

PECOS Enrollment IDI20250917001049

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 Reassignment

Medicare enrollment records show Mercedes Nikzad reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sjhmc Physician Services

Same address

Multi-Specialty

350 W THOMAS RD
Phoenix, AZ 85013

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

NPI 1326098005 (602) 406-3729

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85013 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 20

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

DR. RONALD ANTHONY GAGLIANO JR. M.D.

Colon & Rectal Surgery