DR. MARTHA JANE HORN PH.D.
NPI 1205979903
Counselor - Professional in Laurel, MD

NPI Status: Active since February 14, 2007

Contact Information

9811 MALLARD DR
SUITE 211
LAUREL, MD
ZIP 20708
Phone: (301) 776-8554

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  • Individual
  • Female
  • Counselor
  • Professional

About MARTHA HORN

This page provides the complete NPI Profile along with additional information for Martha Horn, a provider established in Laurel, Maryland with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1205979903 assigned on February 2007. The practitioner's primary taxonomy code is 101YP2500X with license number LC0947 (MD). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1205979903
Provider Name
DR. MARTHA JANE HORN PH.D.
Gender
Female
Entity Type
Individual
Location Address
9811 MALLARD DR SUITE 211 LAUREL, MD 20708
Location Phone
(301) 776-8554
Mailing Address
PO BOX 3674 LAUREL, MD 20709
Mailing Phone
(301) 776-8554
Is Sole Proprietor?
Yes
Enumeration Date
02-14-2007
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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
LC0947
License State
MD

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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 1205979903, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 0 + 5 + 1 + 8 + 7 + 1 + 8 + 9 + 0 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1205979903.

Other Providers at the Same Location


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

Specialist
9811 MALLARD DR, SUITE 109
LAUREL, MD 20708
Registered Nurse (Pediatrics)
9811 MALLARD DR, SUITE 109
LAUREL, MD 20708
Allergy & Immunology
9811 MALLARD DR, SUITE NO.114
LAUREL, MD 20708
Counselor (Professional)
9811 MALLARD DR, 219
LAUREL, MD 20708
Podiatrist (Foot Surgery)
9811 MALLARD DR, 118-119
LAUREL, MD 20708
Obstetrics & Gynecology
9811 MALLARD DR, SUITE 115
LAUREL, MD 20708
Dentist
9811 MALLARD DR, SUITE 207
LAUREL, MD 20708
Social Worker (Clinical)
9811 MALLARD DR, SUITE 209
LAUREL, MD 20708
Family Medicine
9811 MALLARD DR, SUITE 205
LAUREL, MD 20708
Specialist
9811 MALLARD DR, STE 211
LAUREL, MD 20708
Dermatology
9811 MALLARD DR, SUITE 220
LAUREL, MD 20708
General Practice
9811 MALLARD DR, SUITE # 213
LAUREL, MD 20708
Family Medicine
9811 MALLARD DR, SUITE 118
LAUREL, MD 20708
Pediatrics (Adolescent Medicine)
9811 MALLARD DR, SUITE 109
LAUREL, MD 20708
Counselor
9811 MALLARD DR, SUITE 210/211
LAUREL, MD 20708
Chiropractor
9811 MALLARD DR, STE 218
LAUREL, MD 20708
Counselor (Mental Health)
9811 MALLARD DR
LAUREL, MD 20708
Pediatrics
9811 MALLARD DR, SUITE # 109
LAUREL, MD 20708
Pediatrics
9811 MALLARD DR, SUITE 109
LAUREL, MD 20708
Pediatrics
9811 MALLARD DR, SUITE 109
LAUREL, MD 20708

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1205979903, enumerated as an "individual" on February 14, 2007.

The provider is located at 9811 MALLARD DR SUITE 211 LAUREL, MD 20708 and the phone number is (301) 776-8554.

Counselor with taxonomy code 101YP2500X and a focus in Professional.