TZE ON POON, M.D. P.C.
NPI 1023306636
Internal Medicine in Brooklyn, NY

NPI Status: Active since July 16, 2011

Contact Information

829 57TH ST
6TH FLOOR
BROOKLYN, NY
ZIP 11220
Phone: (718) 633-8666
Fax: (212) 274-8666

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  • Organization
  • Internal Medicine
  • CLIA Number: 33D0954138
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 11-17-2026

About TZE ON POON, M.D. P.C.

This page provides the complete NPI Profile along with additional information for Tze On Poon, M.d. P.c., an internist established in Brooklyn, New York operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1023306636 assigned on July 2011. The practitioner's primary taxonomy code is 207R00000X. The provider is registered as an organization and their NPI record was last updated 15 years ago. Tze On Poon, M.d. P.c. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Tze Poon (President)

NPI
1023306636
Provider Name
TZE ON POON, M.D. P.C.
Entity Type
Organization
Location Address
829 57TH ST 6TH FLOOR BROOKLYN, NY 11220
Location Phone
(718) 633-8666
Location Fax
(212) 274-8666
Mailing Address
139 CENTRE ST ROOM 603 NEW YORK, NY 10013
Mailing Phone
(212) 274-8848
Mailing Fax
(212) 274-8666
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-16-2011
Last Update Date
07-16-2011
Code Navigator

An internist like Tze On Poon, M.d. P.c. is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207RP1001XAllopathic & Osteopathic Physicians

Internal Medicine
Pulmonary Disease

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

TZE POON

Authorized Official Title
PRESIDENT
Authorized Official Phone
(212) 274-8848

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
33D0954138
Facility Type
Physician Office
Certificate Effective Date
November 18, 2024
Certificate Expiration Date
November 17, 2026
Laboratory Director
DR. TZE O. POON
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Tze On Poon, M.d. P.c. to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1023306636, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
2
Doubled → 4
Pos 4
3
Unchanged
Pos 5
3
Doubled → 6
Pos 6
0
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
6
Unchanged
Pos 9
3
Doubled → 6
Check
6
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 2 → 4 3 → 6 6 → 12 → 3 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 4 + 3 + 6 + 0 + 1 + 2 + 6 + 6 + 24 = 54

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1023306636.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Specialist
829 57TH ST, 2ND FLOOR
BROOKLYN, NY 11220
Clinic/Center (Primary Care)
829 57TH ST, UNIT 4
BROOKLYN, NY 11220
Specialist
829 57TH ST, SUITE #5
BROOKLYN, NY 11220
Specialist
829 57TH ST, 5FL
BROOKLYN, NY 11220
Physician Assistant
829 57TH ST, 3FL
BROOKLYN, NY 11220
Clinic/Center (Health Service)
829 57TH ST, SUITE # 5
BROOKLYN, NY 11220
Internal Medicine (Gastroenterology)
829 57TH ST, 2ND FLOOR
BROOKLYN, NY 11220

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1023306636, enumerated as an "organization" on July 16, 2011.

The provider is located at 829 57TH ST 6TH FLOOR BROOKLYN, NY 11220 and the phone number is (718) 633-8666.

Internal Medicine with taxonomy code 207R00000X.