Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Natalia Zielkiewicz, MD

Individual provider Hospice and Palliative Medicine (Internal Medicine) Physician · NPI 1033272729

Dr. Natalia Zielkiewicz, MD is a Hospice/Palliative Care in Walnut Creek, California. Qualified in 2004, 22 years ago. Practices with John Muir Physician Network, a 486-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
22
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1450 Treat Blvd # 120
Walnut Creek, CA 94597-2168
Phone: (925) 296-9720
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2700 Grant St, Concord, CA 94520-2266 — (925) 677-0500
  • 5161 Clayton Rd Ste F, Concord, CA 94521-3157 — (925) 677-0550

Specialties & licences

Hospice and Palliative Medicine (Internal Medicine) Physician (primary) Taxonomy 207RH0002X · Licence A96545 (CA)

Record details

NPI number1033272729
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 18, 2006
Last updated in NPPESMarch 7, 2023
Certification dateJune 8, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPICE/PALLIATIVE CARE
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice John Muir Physician Network — 486 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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