Doctor profile · Federal record
Dr. Xavier Diao, MD
Psychiatry Physician (CMS: Psychiatry) · King of Prussia, PA
- NPI 1902347115
- Accepts Medicare
- MIPS 85.5 / 100 · 2023
- 14 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
680 American Ave Ste 302
King of Prussia, PA 194064023
(833) 351-8255 - Additional location
-
53 Frontage RD Fl 1
Hampton, NJ 088274031 - Additional location
-
109 W 27Th St Rm 5S
New York, NY 100016208
Credentials & registration
- NPI registered
- March 2017 — 9 yrs on file
- Profile last updated
- July 30, 2025
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Pennsylvania #MD473945
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902347115. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
174
Distinct HCPCS
3
Medicare allowed
$17,437
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 109 | 39 | $107 | |
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 53 | 20 | $66 | |
90792 |
Psychiatric diagnostic evaluation with medical services | 12 | 12 | $194 |
In context: peer comparison
Among 4 peers in King of Prussia Psychiatry Physician, average services per provider: 82. This provider delivers 2.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
331
Patients
12
Total drug cost
$11,260
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clonazepam | Generic | 56 | 12 | $574 |
| Sertraline Hcl | Generic | 42 | 0 | $597 |
| Duloxetine Hcl | Generic | 24 | 0 | $1,415 |
| Lamotrigine | Generic | 22 | 0 | $353 |
| Dextroamphetamine-Amphet ER (Dextroamphetamine/Amphetamine) | Brand | 21 | 0 | $2,418 |
| Prazosin Hcl | Generic | 20 | 0 | $674 |
| Escitalopram Oxalate | Generic | 19 | 0 | $849 |
| Mirtazapine | Generic | 18 | 0 | $591 |
| Risperidone | Generic | 18 | 0 | $703 |
| Bupropion Xl (Bupropion Hcl) | Brand | 17 | 0 | $685 |
Frequently asked questions
What is Dr. Xavier Diao's medical specialty?
Dr. Xavier Diao practices Psychiatry Physician in King of Prussia, PA.
Where does Dr. Xavier Diao practice?
Dr. Xavier Diao practices at 680 American Ave Ste 302, King of Prussia, PA 194064023. Office phone: 8333518255.
What is Dr. Xavier Diao's NPI?
Dr. Xavier Diao's National Provider Identifier (NPI) is 1902347115, issued by NPPES.
Does Dr. Xavier Diao accept Medicare assignment?
Yes. Dr. Xavier Diao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Xavier Diao commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Psychotherapy with evaluation and management visit (HCPCS 90833); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.