DR. AYMAN RAJAI HAKKI M.D.
NPI 1659419919
Specialist in Waldorf, MD

NPI Status: Active since February 01, 2007

Contact Information

12070 OLD LINE CTR
#306
WALDORF, MD
ZIP 20602
Phone: (301) 843-9769
Fax: (301) 843-8941

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  • Individual
  • Male
  • Specialist

About AYMAN HAKKI

This page provides the complete NPI Profile along with additional information for Ayman Hakki, a provider established in Waldorf, Maryland with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1659419919 assigned on February 2007. The practitioner's primary taxonomy code is 174400000X with license number D0035306 (MD). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1659419919
Provider Name
DR. AYMAN RAJAI HAKKI M.D.
Gender
Male
Entity Type
Individual
Location Address
12070 OLD LINE CTR #306 WALDORF, MD 20602
Location Phone
(301) 843-9769
Location Fax
(301) 843-8941
Mailing Address
12070 OLD LINE CTR #306 WALDORF, MD 20602
Mailing Phone
(301) 843-9769
Mailing Fax
(301) 843-8941
Is Sole Proprietor?
Yes
Enumeration Date
02-01-2007
Last Update Date
07-08-2007
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
D0035306
License State
MD
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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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 1659419919, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
1
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
9
Unchanged
Pos 9
1
Doubled → 2
Check
9
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 9 → 18 → 9 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 8 + 1 + 1 + 8 + 9 + 2 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1659419919.

Other Providers at the Same Location


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

Nurse Practitioner
12070 OLD LINE CTR, STE 207
WALDORF, MD 20602
Internal Medicine (Gastroenterology)
12070 OLD LINE CTR, STE 200
WALDORF, MD 20602
Internal Medicine (Gastroenterology)
12070 OLD LINE CTR, STE 200
WALDORF, MD 20602
Internal Medicine (Gastroenterology)
12070 OLD LINE CTR, STE 200
WALDORF, MD 20602
Internal Medicine (Gastroenterology)
12070 OLD LINE CTR, SUITE 200
WALDORF, MD 20602
Internal Medicine
12070 OLD LINE CTR, SUITE 302
WALDORF, MD 20602
Family Medicine
12070 OLD LINE CTR, SUITE 302
WALDORF, MD 20602
Internal Medicine (Cardiovascular Disease)
12070 OLD LINE CTR, STE 303
WALDORF, MD 20602
Physician Assistant
12070 OLD LINE CTR, SUITE 302
WALDORF, MD 20602
Family Medicine
12070 OLD LINE CTR, SUITE 302
WALDORF, MD 20602
Physiological Laboratory
12070 OLD LINE CTR, SUITE 305
WALDORF, MD 20602
Internal Medicine
12070 OLD LINE CTR, SUITE 100
WALDORF, MD 20602
Internal Medicine (Endocrinology, Diabetes & Metabolism)
12070 OLD LINE CTR, SUITE 102
WALDORF, MD 20602
Specialist
12070 OLD LINE CTR, SUITE 100
WALDORF, MD 20602
Dentist (Orthodontics and Dentofacial Orthopedics)
12070 OLD LINE CTR
WALDORF, MD 20602
Dentist (Orthodontics and Dentofacial Orthopedics)
12070 OLD LINE CTR
WALDORF, MD 20602
Internal Medicine
12070 OLD LINE CTR, SUITE 200
WALDORF, MD 20602
Physician Assistant (Medical)
12070 OLD LINE CTR, STE 207
WALDORF, MD 20602
Clinic/Center (Ambulatory Surgical)
12070 OLD LINE CTR, SUITE 110
WALDORF, MD 20602
Internal Medicine (Cardiovascular Disease)
12070 OLD LINE CTR, SUITE 303
WALDORF, MD 20602

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659419919, enumerated as an "individual" on February 01, 2007.

The provider is located at 12070 OLD LINE CTR #306 WALDORF, MD 20602 and the phone number is (301) 843-9769.

Specialist with taxonomy code 174400000X.