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Psychiatry

Kimberly C. Johnson Gilliam, DO

Sees patients in Princeton, NJ · New Jersey

Summary

Dr. Kimberly C. Johnson Gilliam, DO is a psychiatrist at 905 Herrontown Rd, Princeton, NJ 08540. Phone: (609) 497-3300. Accepts Medicare assignment. In 2024, Kimberly C. Johnson Gilliam had 27 Original Medicare patients and 29 services. NPI 1154594273. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 905 Herrontown Rd, Princeton, NJ 08540 · Directions
  • Phone: (609) 497‑3300
  • Medicare: Accepts Medicare assignment
  • Group practice: Princeton House Provider Group LLC
  • Medical school: Philadelphia College Of Osteopathic Medicine · graduated 2005 (21 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kimberly C. Johnson Gilliam, 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 Kimberly C. Johnson Gilliam accept Medicare assignment?
Yes. Medicare's clinician data says Kimberly C. Johnson Gilliam accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Kimberly C. Johnson Gilliam see?
In 2024, CMS data shows 27 Original Medicare patients and 29 services for Kimberly C. Johnson Gilliam. This counts Original Medicare only and measures volume, not quality.
What is Kimberly C. Johnson Gilliam's NPI number?
1154594273. 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 Kimberly C. Johnson Gilliam, 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 patients27
Services billed to Medicare29
Different services or procedures1
Participating Medicare providerYes
Average age of these patients58

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)29 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%
  • Depression75%
  • Anxiety75%

Practice locations

Addresses where Kimberly C. Johnson Gilliam is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kimberly C. Johnson Gilliam as a member of this group (CMS data updated October 2, 2026).

  • Princeton House Provider Group LLC45 clinicians in the group

Specialties

Find other Psychiatry doctors in New Jersey →

Other psychiatrists in Princeton

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

All psychiatrists in Princeton →

Other clinicians in Princeton House Provider Group LLC

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

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year2005 (21 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154594273
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians