JEROME LOUIS FLEG M.D.
NPI 1851456818
Internal Medicine - Cardiovascular Disease in Bethesda, MD

NPI Status: Active since December 27, 2006

Contact Information

NATIONAL NAVAL MEDICAL CTR
8901 WISCONSIN AVE
BETHESDA, MD
ZIP 20889
Phone: (301) 295-4500
Fax: (301) 295-6616

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  • Individual
  • Male
  • Internal Medicine
  • Cardiovascular Disease

About JEROME FLEG

This page provides the complete NPI Profile along with additional information for Jerome Fleg, an internist established in Bethesda, Maryland with a medical specialization in Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1851456818 assigned on December 2006. The practitioner's primary taxonomy code is 207RC0000X with license number D0021574 (MD). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1851456818
Provider Name
JEROME LOUIS FLEG M.D.
Gender
Male
Entity Type
Individual
Location Address
NATIONAL NAVAL MEDICAL CTR 8901 WISCONSIN AVE BETHESDA, MD 20889
Location Phone
(301) 295-4500
Location Fax
(301) 295-6616
Mailing Address
6701 ROCKLEDGE DR ROOM 8126 BETHESDA, MD 20892
Mailing Phone
(301) 435-0420
Mailing Fax
(301) 295-6616
Is Sole Proprietor?
Yes
Enumeration Date
12-27-2006
Last Update Date
07-08-2007
Code Navigator

An internist like Jerome Fleg 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 Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
D0021574
License State
MD
Taxonomy Description
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

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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 1851456818, 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
8
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
8
Unchanged
Pos 9
1
Doubled → 2
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 5 → 10 → 1 4 → 8 6 → 12 → 3 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 8 + 5 + 1 + 2 + 8 + 2 + 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 1851456818.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

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Dentist
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Nurse Practitioner (Adult Health)
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Psychologist (Clinical)
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Dentist (General Practice)
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Dentist (Endodontics)
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General Practice
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Social Worker (Clinical)
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Pediatrics
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Internal Medicine (Infectious Disease)
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Preventive Medicine (Public Health & General Preventive Medicine)
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Internal Medicine
NATIONAL NAVAL MEDICAL CTR, 8901 WISCONSIN AVE
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Pediatrics (Pediatric Rheumatology)
NATIONAL NAVAL MEDICAL CTR, PEDIATRICS
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Pharmacist
NATIONAL NAVAL MEDICAL CTR, 8901 WISCONSIN AVE.
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Pediatrics (Pediatric Infectious Diseases)
NATIONAL NAVAL MEDICAL CTR, 8901 WISCONSIN AVE
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Surgery (Surgical Oncology)
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Otolaryngology
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Anesthesiology
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Student in an Organized Health Care Education/Training Program
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851456818, enumerated as an "individual" on December 27, 2006.

The provider is located at NATIONAL NAVAL MEDICAL CTR 8901 WISCONSIN AVE BETHESDA, MD 20889 and the phone number is (301) 295-4500.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.