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Z1K, PA
NPI 1972941896
Internal Medicine in Richardson, TX

Active since June 13, 2013
870 N COIT RD, SUITE 2660, RICHARDSON, TX 75080(972) 235-2459(972) 235-9435 Get Directions Write a Review

NPPES record last updated: June 13, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Z1k, Pa NPPES

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

Z1K, PA (NPI 1972941896) is a healthcare organization registered as an internal medicine in Richardson, Texas and active in the NPI registry since June 2013. The organization lists Maya Aranovich, A/r Manager, as its authorized official.

NPPES Registry Identity

NPI1972941896
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameZ1K, PA
Location Address870 N COIT RD, SUITE 2660Richardson, TX 75080-5420
Mailing Address870 N Coit Rd, Suite 2660Richardson, TX 75080-5420 · (972) 235-2459 · Fax (972) 235-9435
Phone(972) 235-2459
Fax(972) 235-9435
Organization SubpartNo
Authorized OfficialMaya AranovichA/r Manager · (972) 495-4926
Enumeration DateJune 13, 2013
✔ NPI 1972941896 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · K9291
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
870 N COIT RD, Richardson, TX 75080
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Z1k, Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Z1k, PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Vladimir Grebennikov, M.D.
Internal Medicine
NPI 1952399313
870 N COIT RD SUITE 2660
Richardson, TX 75080
(972) 235-2459
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Z1k, PA's NPI number?

The NPI number for Z1k, PA is 1972941896. It was assigned to this organization in the NPPES registry on June 13, 2013.

Where is Z1k, PA located?

Z1k, PA is located at 870 N Coit Rd Suite 2660, Richardson, TX 75080. The listed phone number is (972) 235-2459.

What is Z1k, PA's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Z1k, PA enrolled in Medicare?

Yes. Z1k, PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Z1k, PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Z1k, PA. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Z1k, PA was last updated on June 13, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.