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Psychiatry

Siana L. Ziemba, DO

Works at hospitals in Camden, NJ · New Jersey

Summary

Dr. Siana L. Ziemba, DO is a psychiatrist at 1 Cooper Plz, Camden, NJ 08103. Phone: (856) 342-2328. Accepts Medicare assignment. In 2024, Siana L. Ziemba had 19 Original Medicare patients and 26 services. NPI 1881183895. 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.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 1 Cooper Plz, Camden, NJ 08103 · Directions (1 more location)
  • Phone: (856) 342‑2328
  • Medicare: Accepts Medicare assignment
  • Hospital: Cooper University Hospital
  • Group practice: CMC Psychiatric Associates PC
  • Medical school: Rowan University School Of Osteopathic Medicine · graduated 2017 (9 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Siana L. Ziemba, 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 Siana L. Ziemba accept Medicare assignment?
Yes. Medicare's clinician data says Siana L. Ziemba 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 Siana L. Ziemba see?
In 2024, CMS data shows 19 Original Medicare patients and 26 services for Siana L. Ziemba. This counts Original Medicare only and measures volume, not quality.
What is Siana L. Ziemba's NPI number?
1881183895. 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 Siana L. Ziemba, 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 patients19
Services billed to Medicare26
Different services or procedures3
Participating Medicare providerYes
Average age of these patients59

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)17 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%
  • Anxiety75%
  • Depression63%

Hospitals where Siana L. Ziemba works

Medicare's Facility Affiliation Data lists Siana L. Ziemba 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 Siana L. Ziemba is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Siana L. Ziemba as a member of this group (CMS data updated October 2, 2026).

  • CMC Psychiatric Associates PC40 clinicians in the group

Specialties

Find other Psychiatry doctors in New Jersey →

Other psychiatrists in Camden

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

All psychiatrists in Camden →

Other clinicians in CMC Psychiatric Associates PC

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

Clinician information

CredentialDO
Medical schoolRowan University School Of Osteopathic Medicine
Graduation year2017 (9 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881183895
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