XAVIER DIAO MD
NPI 1902347115
Psychiatry & Neurology - Psychiatry in King Of Prussia, PA

Active since March 20, 2017PECOS EnrolledAccepts Medicare Assignment
85.48/100
CMS Quality Rating
680 AMERICAN AVE STE 302, KING OF PRUSSIA, PA 19406(833) 351-8255 Get Directions Write a Review

NPPES record last updated: July 30, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Sep 10, 2021, Dec 28, 2020, Oct 26, 2018 and 1 more (4 updates tracked since 2017).

About Xavier Diao Md NPPES

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

XAVIER DIAO MD (NPI 1902347115) is an individual psychiatry provider in King Of Prussia, Pennsylvania, licensed in Pennsylvania (MD473945) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Maryland School Of Medicine (2012).

NPPES Registry Identity

NPI1902347115
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameXAVIER DIAOCredential: MD
Location Address680 AMERICAN AVE STE 302King Of Prussia, PA 19406-4023
Mailing Address680 American Ave Ste 302King Of Prussia, PA 19406-4023
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 2012
Enumeration DateMarch 20, 2017
Last NPPES UpdateJuly 30, 20254 updates tracked since enumeration
NPPES CertifiedJuly 30, 2025
NPI 1902347115 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in PA · MD473945
Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

680 AMERICAN AVE STE 302, King Of Prussia, PA 19406

Secondary Practice Locations 2

Location 153 Frontage Rd Fl 1Hampton, NJ 08827-4031 · Phone (833) 351-8255
Location 2109 W 27th St Rm 5SNew York, NY 10001-6208 · Phone (833) 351-8255

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

Xavier Diao 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 ID6901150622
PECOS Enrollment IDI20210520000371
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 3

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 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.
135 services81 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
38 services17 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
26 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19406 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
$180.99 typical visit price
range $59.88 – $180.99
Typical copayment $45.24 (range $14.97 – $45.24)
Most-billed visit code 99205
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
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.

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.

85.48/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.6
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 12

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

Counselor
680 AMERICAN AVE STE 302
KING OF PRUSSIA, PA 19406
Counselor
680 AMERICAN AVE STE 302
KING OF PRUSSIA, PA 19406
In Home Supportive Care
680 AMERICAN AVE STE 302
KING OF PRUSSIA, PA 19406
Psychiatry & Neurology (Psychiatry)
680 AMERICAN AVE STE 302
KING OF PRUSSIA, PA 19406
Psychiatry & Neurology (Psychiatry)
680 AMERICAN AVE STE 302
KING OF PRUSSIA, PA 19406
Psychologist
680 AMERICAN AVE STE 302
KING OF PRUSSIA, PA 19406
Psychiatry & Neurology (Psychiatry)
680 AMERICAN AVE STE 302
KING OF PRUSSIA, PA 19406
Psychiatry & Neurology (Psychiatry)
680 AMERICAN AVE STE 302
KING OF PRUSSIA, PA 19406

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1902347115, enumerated as an "individual" on March 20, 2017.

The provider is located at 680 AMERICAN AVE STE 302 KING OF PRUSSIA, PA 19406 and the phone number is (833) 351-8255.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.