Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Psychiatry

Xavier Diao, MD

Sees patients in King Of Prussia, PA · Pennsylvania

Summary

Xavier Diao, MD (Psychiatry) is enrolled with Medicare at 1 practice location in King Of Prussia, PA. NPI 1902347115. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Xavier Diao, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

PsychiatryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
14Years since medical school (graduated 2012)
University Of Maryland School Of MedicineMedical school
MaleGender (as listed)
MCCD Fl Psychiatry Services PAGroup practice

Quick answers

Where does Xavier Diao see patients?
Medicare's clinician data lists 1 practice location in King Of Prussia, PA. Call before your visit to confirm the address.
What is Xavier Diao's specialty?
Medicare lists Psychiatry as the primary specialty.
Does Xavier Diao accept Medicare assignment?
Yes. Medicare's clinician data says Xavier Diao accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Xavier Diao offer telehealth?
Medicare's clinician data says Xavier Diao offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Xavier Diao?
(833) 351-8255, as listed in official Medicare / NPI Registry data.
What is Xavier Diao's NPI number?
1902347115. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Xavier Diao is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Xavier Diao as a member of this group (CMS data updated 2026-10-02).

  • MCCD Fl Psychiatry Services PA801 clinicians in the group

Specialties

Find other Psychiatry doctors in Pennsylvania →

Other psychiatrists in King Of Prussia

Clinicians with the same Medicare primary specialty in King Of Prussia, PA — not a recommendation.

All psychiatrists in King Of Prussia →

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year2012
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1902347115
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians