JOYCE ZANDRA SINGER MD
NPI 1326680448
Internal Medicine - Rheumatology in Brooklyn, NY

NPI Status: Active since October 09, 2019

Contact Information

8026 5TH AVE
BROOKLYN, NY
ZIP 11209
Phone: (718) 680-2800
Fax: (718) 921-0712

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  • Individual
  • Female
  • Internal Medicine
  • Rheumatology

About JOYCE SINGER

This page provides the complete NPI Profile along with additional information for Joyce Singer, an internist established in Brooklyn, New York with a medical specialization in Internal Medicine, focusing in rheumatology . The healthcare provider is registered in the NPI registry with number 1326680448 assigned on October 2019. The practitioner's primary taxonomy code is 207RR0500X with license number 138036 (NY). The provider is registered as an individual and her NPI record was last updated 7 years ago.

NPI
1326680448
Provider Name
JOYCE ZANDRA SINGER MD
Gender
Female
Entity Type
Individual
Location Address
8026 5TH AVE BROOKLYN, NY 11209
Location Phone
(718) 680-2800
Location Fax
(718) 921-0712
Mailing Address
8026 5TH AVE BROOKLYN, NY 11209
Mailing Phone
(718) 680-2800
Mailing Fax
(718) 921-0712
Is Sole Proprietor?
Yes
Enumeration Date
10-09-2019
Last Update Date
10-09-2019
Code Navigator

An internist like Joyce Singer 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.

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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 Rheumatology

Taxonomy Code
207RR0500X
Type
Allopathic & Osteopathic Physicians
License No.
138036
License State
NY
Taxonomy Description
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

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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 1326680448, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 4 + 6 + 1 + 2 + 8 + 0 + 4 + 8 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1326680448.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Specialist
8026 5TH AVE
BROOKLYN, NY 11209
Dermatology
8026 5TH AVE
BROOKLYN, NY 11209

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1326680448, enumerated as an "individual" on October 09, 2019.

The provider is located at 8026 5TH AVE BROOKLYN, NY 11209 and the phone number is (718) 680-2800.

Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.