1. Home
  2. Directory
  3. Arizona
  4. Mesa
  5. Pediatrics
  6. NPI Profile

DR. XIN TAN M.D., PH.D.
NPI 1609239490
Pediatrics in Mesa, AZ

Active since March 30, 2016PECOS Enrolled
4540 E BASELINE RD STE 108, MESA, AZ 85206(480) 892-3880(480) 545-4551 Get Directions Write a Review

NPPES record last updated: January 24, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 24, 2020, Mar 30, 2016 (2 updates tracked since 2016).

About Dr. Xin Tan M.d., Ph.d. NPPES

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

DR. XIN TAN M.D., PH.D. (NPI 1609239490) is an individual pediatrics provider in Mesa, Arizona, licensed in Arizona (58119) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609239490
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. XIN TANCredential: M.D., PH.D.
Location Address4540 E BASELINE RD STE 108Mesa, AZ 85206-4616
Mailing Address4540 E Baseline Rd Ste 108Mesa, AZ 85206-4616 · (480) 892-3880 · Fax (480) 545-4551
Phone(480) 892-3880
Fax(480) 545-4551
Sole ProprietorNo
Enumeration DateMarch 30, 2016
Last NPPES UpdateJanuary 24, 20202 updates tracked since enumeration
✔ NPI 1609239490 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in AZ · 58119
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
4540 E BASELINE RD STE 108, Mesa, AZ 85206
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Xin Tan M.d., Ph.d. 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 85206 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
$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.

Other Providers at the Same Location NPPES 4

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

BRETT HOLDAWAY DO
Pediatrics
4540 E BASELINE RD STE 108
MESA, AZ 85206
Maricopa County (480) 892-3880
DEBORAH D HOWARD RN, MS, PNP
Nurse Practitioner (Pediatrics)
4540 E BASELINE RD STE 108
MESA, AZ 85206
Maricopa County (480) 892-3880
BRAD GUTHRIE MD
Pediatrics
4540 E BASELINE RD STE 108
MESA, AZ 85206
Maricopa County (480) 892-3880
MRS. MANJU THOMSON MSN. CPNP
Nurse Practitioner (Pediatrics)
4540 E BASELINE RD STE 108
MESA, AZ 85206
Maricopa County (480) 892-3880

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Xin Tan's NPI number?

The NPI number for Xin Tan is 1609239490. It was assigned to this individual provider in the NPPES registry on March 30, 2016.

Where is Xin Tan located?

Xin Tan practices at 4540 E Baseline Rd Ste 108, Mesa, AZ 85206. The listed phone number is (480) 892-3880.

What is Xin Tan's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Xin Tan enrolled in Medicare?

Yes. Xin Tan is registered in the Medicare PECOS enrollment system.

What insurance does Xin Tan accept?

Health plans from Ambetter from Arizona Complete Health list Xin Tan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Xin Tan was last updated on January 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.