DR. JEROME EKUNDAYO CALLOWAY M.D.
NPI 1003211475
General Practice in Brooklyn, NY

NPI Status: Active since October 28, 2014

Contact Information

255 E 98TH ST
BROOKLYN, NY
ZIP 11212
Phone: (718) 240-2644

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
General Practice

About JEROME CALLOWAY

This page provides the complete NPI Profile along with additional information for Jerome Calloway, a primary care provider established in Brooklyn, New York with a medical specialization in General Practice. The healthcare provider is registered in the NPI registry with number 1003211475 assigned on October 2014. The practitioner's primary taxonomy code is 208D00000X with license number 277533 (NY). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI: 1003211475
Provider Name: DR. JEROME EKUNDAYO CALLOWAY M.D.
Gender: Male
Entity Type: Individual
Location Address: 255 E 98TH ST BROOKLYN, NY 11212
Location Phone: (718) 240-2644
Mailing Address: 255 E 98TH ST BROOKLYN, NY 11212
Is Sole Proprietor?: No
Enumeration Date: 10-28-2014
Last Update Date: 10-28-2014
Code Navigator

A primary care provider (PCP) like Jerome Calloway sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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: General Practice
Taxonomy Code: 208D00000X
Type: Allopathic & Osteopathic Physicians
License No.: 277533
License State: NY
Taxonomy Description: A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

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 1003211475, 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 45. The final step is to find the difference between that total and the next multiple of ten (50 - 45 = 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.

Pos 1

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 0

Pos 4

Unchanged

Pos 5

Doubled → 4

Pos 6

Unchanged

Pos 7

Doubled → 2

Pos 8

Unchanged

Pos 9

Doubled → 14 → 1 + 4

Check

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 0 → 0 2 → 4 1 → 2 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 4 + 1 + 2 + 4 + 1 + 4 + 24 = 45

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

The next multiple of ten after 45 is 50. The difference is the calculated check digit.

50 - 45 = 5

This NPI is valid

The calculated check digit is 5, which matches the last digit of 1003211475.