DR. LEONARD N. GREEN M.D.
NPI 1609109677
Psychiatry & Neurology - Neurology in Rockville, MD

NPI Status: Active since September 09, 2009

Contact Information

15005 SHADY GROVE RD
SUITE 440
ROCKVILLE, MD
ZIP 20850
Phone: (301) 251-4090

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Neurology

About LEONARD GREEN

This page provides the complete NPI Profile along with additional information for Leonard Green, a provider established in Rockville, Maryland with a medical specialization in Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1609109677 assigned on September 2009. The practitioner's primary taxonomy code is 2084N0400X with license number D0038110 (MD). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1609109677
Provider Name
DR. LEONARD N. GREEN M.D.
Gender
Male
Entity Type
Individual
Location Address
15005 SHADY GROVE RD SUITE 440 ROCKVILLE, MD 20850
Location Phone
(301) 251-4090
Mailing Address
4407 WESTOVER PL NW WASHINGTON, DC 20016
Mailing Phone
(301) 251-4090
Is Sole Proprietor?
Yes
Enumeration Date
09-09-2009
Last Update Date
09-09-2009
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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

Psychiatry & Neurology Neurology

Taxonomy Code
2084N0400X
Type
Allopathic & Osteopathic Physicians
License No.
D0038110
License State
MD
Taxonomy Description
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

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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 1609109677, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
6
Unchanged
Pos 3
0
Doubled → 0
Pos 4
9
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
6
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
7
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 1 → 2 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 0 + 9 + 2 + 0 + 1 + 8 + 6 + 1 + 4 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1609109677.

Other Providers at the Same Location


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

Plastic Surgery
15005 SHADY GROVE RD, #220
ROCKVILLE, MD 20850
General Practice
15005 SHADY GROVE RD, SUITE 350
ROCKVILLE, MD 20850
Dermatology (Procedural Dermatology)
15005 SHADY GROVE RD, SUIE 440
ROCKVILLE, MD 20850
Pain Medicine (Pain Medicine)
15005 SHADY GROVE RD, #320
ROCKVILLE, MD 20850
Obstetrics & Gynecology (Maternal & Fetal Medicine)
15005 SHADY GROVE RD, SUITE 120
ROCKVILLE, MD 20850
Obstetrics & Gynecology (Maternal & Fetal Medicine)
15005 SHADY GROVE RD, SUITE 120
ROCKVILLE, MD 20850
Clinic/Center (Ambulatory Surgical)
15005 SHADY GROVE RD, SUITE 300
ROCKVILLE, MD 20850
Internal Medicine
15005 SHADY GROVE RD, STE 410
ROCKVILLE, MD 20850
Dentist (Oral and Maxillofacial Surgery)
15005 SHADY GROVE RD, SUITE 420
ROCKVILLE, MD 20850
Family Medicine
15005 SHADY GROVE RD, SUITE 120
ROCKVILLE, MD 20850
Dentist (General Practice)
15005 SHADY GROVE RD, SUITE 230
ROCKVILLE, MD 20850
Surgery (Plastic and Reconstructive Surgery)
15005 SHADY GROVE RD, #220
ROCKVILLE, MD 20850
Registered Nurse (Diabetes Educator)
15005 SHADY GROVE RD, SUITE 120
ROCKVILLE, MD 20850
Internal Medicine (Cardiovascular Disease)
15005 SHADY GROVE RD, SUITE 340
ROCKVILLE, MD 20850
Prosthetic/Orthotic Supplier
15005 SHADY GROVE RD, SUITE 320
ROCKVILLE, MD 20850
Ophthalmology
15005 SHADY GROVE RD, SUITE 100
ROCKVILLE, MD 20850
Internal Medicine (Cardiovascular Disease)
15005 SHADY GROVE RD, SUITE 340
ROCKVILLE, MD 20850
Clinic/Center (Primary Care)
15005 SHADY GROVE RD, SUITE 240
ROCKVILLE, MD 20850
Nurse Practitioner (Women's Health)
15005 SHADY GROVE RD
ROCKVILLE, MD 20850
Obstetrics & Gynecology (Maternal & Fetal Medicine)
15005 SHADY GROVE RD, SUITE 340
ROCKVILLE, MD 20850

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1609109677, enumerated as an "individual" on September 09, 2009.

The provider is located at 15005 SHADY GROVE RD SUITE 440 ROCKVILLE, MD 20850 and the phone number is (301) 251-4090.

Psychiatry & Neurology with taxonomy code 2084N0400X and a focus in Neurology.