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DR. NATALIA ZIELKIEWICZ M.D.
NPI 1033272729
Internal Medicine - Hospice and Palliative Medicine in Walnut Creek, CA

Active since December 18, 2006PECOS EnrolledAccepts Medicare Assignment
85.73/100
CMS Quality Rating
1450 TREAT BLVD # 120, WALNUT CREEK, CA 94597(925) 296-9720 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Mar 7, 2023, Jun 8, 2021, Oct 17, 2019 (3 updates tracked since 2019).

About Dr. Natalia Zielkiewicz M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NATALIA ZIELKIEWICZ M.D. (NPI 1033272729) is an individual hospice and palliative medicine provider in Walnut Creek, California, licensed in California (A96545) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1033272729
Entity TypeIndividualFemale
Primary Taxonomy207RH0002X
Provider Legal NameDR. NATALIA ZIELKIEWICZCredential: M.D.
Location Address1450 TREAT BLVD # 120Walnut Creek, CA 94597-2168
Mailing AddressDept 34929, P.o. Box 39000San Francisco, CA 94139-0001 · (925) 952-2828 · Fax (925) 952-2850
Phone(925) 296-9720
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateDecember 18, 2006
Last NPPES UpdateMarch 7, 20233 updates tracked since enumeration
NPPES CertifiedJune 8, 2021
✔ NPI 1033272729 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hospice and Palliative MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RH0002X
License✔ Licensed in CA · A96545
Definition
An internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
1450 TREAT BLVD # 120, Walnut Creek, CA 94597
Open in Google Maps ↗

Secondary Practice Locations 2

Location 15161 Clayton Rd Ste FConcord, CA 94521-3157 · Phone (925) 677-0550
Location 22700 Grant St, Suite 200Concord, CA 94520-2266 · Phone (925) 677-0500

Other Identifiers 3

Other00A965451CA · Medicare Ptan
OtherP00938337CA · Railroad Medicare
Medicaid1033272729CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Natalia Zielkiewicz M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID345349395
PECOS Enrollment IDI20070615000629
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
115 services68 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
110 services104 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
97 services52 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
37 services27 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.73/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.68
Promoting Interoperability99
Improvement Activities40
Cost70.58

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELIZABETH ANNE DELANEY M.D.
Family Medicine
1450 TREAT BLVD # 120
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9720
TRUDY K. SINGZON M.D.
Family Medicine (Hospice and Palliative Medicine)
1450 TREAT BLVD # 120
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9720
KA YING CHUI NP
Nurse Practitioner (Family)
1450 TREAT BLVD # 120
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9720

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Natalia Zielkiewicz's NPI number?

The NPI number for Natalia Zielkiewicz is 1033272729. It was assigned to this individual provider in the NPPES registry on December 18, 2006.

Where is Natalia Zielkiewicz located?

Natalia Zielkiewicz practices at 1450 Treat Blvd # 120, Walnut Creek, CA 94597. The listed phone number is (925) 296-9720.

What is Natalia Zielkiewicz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.

Is Natalia Zielkiewicz enrolled in Medicare?

Yes. Natalia Zielkiewicz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Natalia Zielkiewicz was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.