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ENG PRIMARY CARE PLLC
NPI 1336009323
Internal Medicine in Brooklyn, NY

Active since November 13, 2025CLIA 33D2343303 · Waiver
2355 86TH ST, BROOKLYN, NY 11214(718) 988-1618(718) 988-1619 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 13, 2026, Nov 13, 2025 (2 updates tracked since 2025).

About Eng Primary Care Pllc NPPES

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

ENG PRIMARY CARE PLLC (NPI 1336009323) is a healthcare organization registered as an internal medicine in Brooklyn, New York and active in the NPI registry since November 2025. The organization holds a CLIA Waiver certificate valid through May 4, 2028 and lists Yuki Xu, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1336009323
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameENG PRIMARY CARE PLLC
Location Address2355 86TH STBrooklyn, NY 11214-4309
Mailing Address2355 86th StBrooklyn, NY 11214-4309 · (718) 988-1618 · Fax (718) 988-1619
Phone(718) 988-1618
Fax(718) 988-1619
Organization SubpartNo
Authorized OfficialYuki XuOffice Manager · (718) 988-1618
Enumeration DateNovember 13, 2025
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPPES CertifiedJuly 13, 2026
✔ NPI 1336009323 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
2355 86TH ST, Brooklyn, NY 11214
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Eng Primary Care Pllc 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 Eng Primary Care PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Timothy Eng
Internal Medicine
NPI 1730685231
2355 86TH ST
Brooklyn, NY 11214
(718) 988-1618
✔ PECOSSame address

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 33D2343303

Eng Primary Care PLLC · Brooklyn, NY
Active · expires May 4, 2028
CLIA Number33D2343303
Laboratory TypePhysician Office
Certificate Effective DateMay 5, 2026
Certificate Expiration DateMay 4, 2028
Laboratory DirectorTimothy Eng
Laboratory Phone(347) 225-3750
Laboratory LocationEng Primary Care PLLC2355 86th St, Brooklyn, NY 11214
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

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 Eng Primary Care PLLC's NPI number?

The NPI number for Eng Primary Care PLLC is 1336009323. It was assigned to this organization in the NPPES registry on November 13, 2025.

Where is Eng Primary Care PLLC located?

Eng Primary Care PLLC is located at 2355 86th St, Brooklyn, NY 11214. The listed phone number is (718) 988-1618.

What is Eng Primary Care PLLC's specialty?

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

Is Eng Primary Care PLLC enrolled in Medicare?

Yes. Eng Primary Care PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Eng Primary Care PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Eng Primary Care PLLC. 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.

Does Eng Primary Care PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 33D2343303) is associated with this NPI, valid through May 4, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Eng Primary Care PLLC was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.