DR. HOWARD DREW CHAZIN MD
NPI 1679813158
Psychiatry & Neurology - Neurology in Silver Spring, MD

NPI Status: Active since February 21, 2013

Contact Information

10903 NEW HAMPSHIRE AVE
SILVER SPRING, MD
ZIP 20903
Phone: (240) 402-8275

Get Directions Write a Review

  • Individual
  • Male
  • Psychiatry & Neurology
  • Neurology

About HOWARD CHAZIN

This page provides the complete NPI Profile along with additional information for Howard Chazin, a provider established in Silver Spring, Maryland with a medical specialization in Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1679813158 assigned on February 2013. The practitioner's primary taxonomy code is 2084N0400X with license number D42937 (MD). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1679813158
Provider Name
DR. HOWARD DREW CHAZIN MD
Gender
Male
Entity Type
Individual
Location Address
10903 NEW HAMPSHIRE AVE SILVER SPRING, MD 20903
Location Phone
(240) 402-8275
Mailing Address
10903 NEW HAMPSHIRE AVE SILVER SPRING, MD 20903
Mailing Phone
(240) 402-8275
Is Sole Proprietor?
Yes
Enumeration Date
02-21-2013
Last Update Date
03-10-2015
Code Navigator

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

Psychiatry & Neurology Neurology

Taxonomy Code
2084N0400X
Type
Allopathic & Osteopathic Physicians
License No.
D42937
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.

Reviews for DR. HOWARD DREW CHAZIN MD

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1679813158, 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
6
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
9
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
3
Doubled → 6
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 7 → 14 → 5 8 → 16 → 7 3 → 6 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 4 + 9 + 1 + 6 + 1 + 6 + 1 + 1 + 0 + 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 1679813158.

Other Providers at the Same Location


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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
10903 NEW HAMPSHIRE AVE, WO22/3175
SILVER SPRING, MD 20903
Physical Medicine & Rehabilitation
10903 NEW HAMPSHIRE AVE
SILVER SPRING, MD 20903
Dermatology
10903 NEW HAMPSHIRE AVE, BUILDING 66
SILVER SPRING, MD 20903
Ophthalmology
10903 NEW HAMPSHIRE AVE, BUILDING 66 ROOM 4202
SILVER SPRING, MD 20903
Pharmacist
10903 NEW HAMPSHIRE AVE, BUILDING 22 ROOM 6404
SILVER SPRING, MD 20903
Pharmacist
10903 NEW HAMPSHIRE AVE
SILVER SPRING, MD 20903
Pharmacist
10903 NEW HAMPSHIRE AVE, BLD. 22, RM. 4103
SILVER SPRING, MD 20903
Pharmacist (Oncology)
10903 NEW HAMPSHIRE AVE, BUILDING 22, ROOM 2111
SILVER SPRING, MD 20903
Pharmacist
10903 NEW HAMPSHIRE AVE
SILVER SPRING, MD 20903
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
10903 NEW HAMPSHIRE AVE, WO-22 3435
SILVER SPRING, MD 20903
Pharmacist
10903 NEW HAMPSHIRE AVE, WO51
SILVER SPRING, MD 20903
Pharmacist
10903 NEW HAMPSHIRE AVE
SILVER SPRING, MD 20903
Pharmacist
10903 NEW HAMPSHIRE AVE
SILVER SPRING, MD 20903
Pharmacist
10903 NEW HAMPSHIRE AVE, WHITE OAK CDER BLDG 22, OFFICE 4242
SILVER SPRING, MD 20903
Internal Medicine (Endocrinology, Diabetes & Metabolism)
10903 NEW HAMPSHIRE AVE, BLDG. 22, ROOM 3111
SILVER SPRING, MD 20903
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
10903 NEW HAMPSHIRE AVE, WHITE OAK BUILDING 51, ROOM 5330
SILVER SPRING, MD 20903
Pharmacist
10903 NEW HAMPSHIRE AVE, WO BLD 22 ROOM 2485
SILVER SPRING, MD 20903
Obstetrics & Gynecology
10903 NEW HAMPSHIRE AVE, WO 22, RM 6412
SILVER SPRING, MD 20903
Pharmacist
10903 NEW HAMPSHIRE AVE, BUILDING 22, RM 5471
SILVER SPRING, MD 20903
Internal Medicine
10903 NEW HAMPSHIRE AVE
SILVER SPRING, MD 20903

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1679813158, enumerated as an "individual" on February 21, 2013.

The provider is located at 10903 NEW HAMPSHIRE AVE SILVER SPRING, MD 20903 and the phone number is (240) 402-8275.

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