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TZE ON POON, M.D. P.C.
NPI 1215187463
Internal Medicine in New York, NY

Active since September 24, 2008CLIA 33D0954138 · Waiver
139 CENTRE ST, ROOM 603, NEW YORK, NY 10013(212) 274-8663(212) 274-8666 Get Directions Write a Review

NPPES record last updated: March 20, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Tze On Poon, M.d. P.c. NPPES

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

TZE ON POON, M.D. P.C. (NPI 1215187463) is a healthcare organization registered as an internal medicine in New York, New York and active in the NPI registry since September 2008. The organization holds a CLIA Waiver certificate valid through November 17, 2028 and lists Tze Poon, President, as its authorized official.

NPPES Registry Identity

NPI1215187463
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameTZE ON POON, M.D. P.C.
Location Address139 CENTRE ST, ROOM 603New York, NY 10013-4552
Mailing Address139 Centre St, Room 603New York, NY 10013-4552 · (212) 274-8663 · Fax (212) 274-8666
Phone(212) 274-8663
Fax(212) 274-8666
Organization SubpartNo
Authorized OfficialTze PoonPresident · (212) 274-8663
Enumeration DateSeptember 24, 2008
Last NPPES UpdateMarch 20, 2013
✔ NPI 1215187463 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X
139 CENTRE ST, New York, NY 10013
Open in Google Maps ↗

Other Identifiers 1

OtherA100000366Group/organization Ptan

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)

Tze On Poon, M.d. P.c. 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 Tze On Poon, M.D. P.C., which bills Medicare for the services this clinician delivers.

Clinician (1)

Tze Poon
Internal Medicine
NPI 1831253244
139 CENTRE ST STE 601
New York, NY 10013
(212) 274-8663
✔ 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.

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 33D0954138

Tze On Poon MD PC · New York, NY
Active · expires Nov 17, 2028
CLIA Number33D0954138
Laboratory TypePhysician Office
Certificate Effective DateNovember 18, 2026
Certificate Expiration DateNovember 17, 2028
Laboratory DirectorDr. Tze O. Poon
Laboratory Phone(212) 274-8663
Laboratory LocationTze On Poon MD PC139 Centre Street, Room 601, New York, NY 10013
CLIA data matches this NPI record on: Address Phone
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 Tze On Poon, M.D. P.C.'s NPI number?

The NPI number for Tze On Poon, M.D. P.C. is 1215187463. It was assigned to this organization in the NPPES registry on September 24, 2008.

Where is Tze On Poon, M.D. P.C. located?

Tze On Poon, M.D. P.C. is located at 139 Centre St Room 603, New York, NY 10013. The listed phone number is (212) 274-8663.

What is Tze On Poon, M.D. P.C.'s specialty?

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

Is Tze On Poon, M.D. P.C. enrolled in Medicare?

Yes. Tze On Poon, M.D. P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Tze On Poon, M.D. P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Tze On Poon, M.D. P.C.. 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 Tze On Poon, M.D. P.C. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 33D0954138) is associated with this NPI, valid through November 17, 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 Tze On Poon, M.D. P.C. was last updated on March 20, 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.