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Psychiatry

Don H. Wijaya, MD

Works at hospitals in New Brunswick, NJ · Hamilton, NJ · New Jersey

Summary

Dr. Don H. Wijaya, MD is a psychiatrist at 1 Hamilton Health Pl, Trenton, NJ 08690. Phone: (609) 731-2889. May accept Medicare assignment. In 2024, Don H. Wijaya had 223 Original Medicare patients and 1,213 services. NPI 1295008373. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Don H. Wijaya, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Don H. Wijaya accept Medicare assignment?
Medicare's clinician data says Don H. Wijaya may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Don H. Wijaya see?
In 2024, CMS data shows 223 Original Medicare patients and 1,213 services for Don H. Wijaya. This counts Original Medicare only and measures volume, not quality.
What is Don H. Wijaya's NPI number?
1295008373. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Don H. Wijaya, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients223
Services billed to Medicare1,213
Different services or procedures5
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)895 services
  2. Psychiatric diagnostic evaluation with medical services (90792)205 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)88 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)18 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Depression69%
  • Anxiety67%
  • Ischemic heart disease56%
  • Diabetes52%

Hospitals where Don H. Wijaya works

Medicare's Facility Affiliation Data lists Don H. Wijaya at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Don H. Wijaya is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Don H. Wijaya as a member of this group (CMS data updated October 2, 2026).

  • UHS of Hampton Inc18 clinicians in the group

Specialties

Find other Psychiatry doctors in New Jersey →

Other psychiatrists in Trenton

Clinicians with the same Medicare primary specialty in Trenton, NJ — not a recommendation.

All psychiatrists in Trenton →

Other clinicians in UHS of Hampton Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1971 (55 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1295008373
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians