DR. JACOB ZEFFREN MD
NPI 1053584185
Internal Medicine - Medical Oncology in Nutley, NJ
NPI Status: Active since April 09, 2008
Contact Information
340 KINGSLAND ST
NUTLEY, NJ
ZIP 07110
Phone: (973) 562-3548
Fax: (973) 562-3563
- Individual
- Male
- Internal Medicine
- Medical Oncology
About JACOB ZEFFREN
This page provides the complete NPI Profile along with additional information for Jacob Zeffren, an internist established in Nutley, New Jersey with a medical specialization in Internal Medicine, focusing in medical oncology . The healthcare provider is registered in the NPI registry with number 1053584185 assigned on April 2008. The practitioner's primary taxonomy code is 207RX0202X with license number 25MA04523200 (NJ). The provider is registered as an individual and his NPI record was last updated 18 years ago.
- NPI
- 1053584185
- Provider Name
- DR. JACOB ZEFFREN MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 340 KINGSLAND ST NUTLEY, NJ 07110
- Location Phone
- (973) 562-3548
- Location Fax
- (973) 562-3563
- Mailing Address
- 340 KINGSLAND ST NUTLEY, NJ 07110
- Mailing Phone
- (973) 562-3548
- Mailing Fax
- (973) 562-3563
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-09-2008
- Last Update Date
- 04-09-2008
- Code Navigator
An internist like Jacob Zeffren 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 Medical Oncology
- Taxonomy Code
- 207RX0202X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 25MA04523200
- License State
- NJ
- Taxonomy Description
- An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
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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 1053584185, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 55 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 15 providers are registered at the same or a nearby location.
NUTLEY, NJ 07110
NUTLEY, NJ 07110
NUTLEY, NJ 07110
NUTLEY, NJ 07110
NUTLEY, NJ 07110
NUTLEY, NJ 07110
NUTLEY, NJ 07110
NUTLEY, NJ 07110
NUTLEY, NJ 07110
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1053584185, enumerated as an "individual" on April 09, 2008.
The provider is located at 340 KINGSLAND ST NUTLEY, NJ 07110 and the phone number is (973) 562-3548.
Internal Medicine with taxonomy code 207RX0202X and a focus in Medical Oncology.
