MARK DOUGLAS WELLMAN PNP
NPI 1831171255
Nurse Practitioner - Pediatrics in Concord, MA

NPI Status: Active since November 20, 2005

Contact Information

101 THOREAU ST
CONCORD, MA
ZIP 01742
Phone: (978) 369-9401

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  • Individual
  • Male
  • Nurse Practitioner
  • Pediatrics

About MARK WELLMAN

This page provides the complete NPI Profile along with additional information for Mark Wellman, a provider established in Concord, Massachusetts with a medical specialization in Nurse Practitioner, focusing in pediatrics . The healthcare provider is registered in the NPI registry with number 1831171255 assigned on November 2005. The practitioner's primary taxonomy code is 363LP0200X with license number 124639 (MA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1831171255
Provider Name
MARK DOUGLAS WELLMAN PNP
Gender
Male
Entity Type
Individual
Location Address
101 THOREAU ST CONCORD, MA 01742
Location Phone
(978) 369-9401
Mailing Address
4 ROYCE LN WESTFORD, MA 01886
Mailing Phone
(978) 692-9078
Is Sole Proprietor?
Yes
Enumeration Date
11-20-2005
Last Update Date
07-08-2007
Code Navigator

A nurse practitioner (NP) like Mark Wellman is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, 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

Nurse Practitioner Pediatrics

Taxonomy Code
363LP0200X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
124639
License State
MA

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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 1831171255, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 2 + 7 + 2 + 2 + 1 + 0 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1831171255.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Pediatrics
101 THOREAU ST
CONCORD, MA 01742
Pediatrics
101 THOREAU ST
CONCORD, MA 01742
Pediatrics
101 THOREAU ST
CONCORD, MA 01742
Pediatrics
101 THOREAU ST
CONCORD, MA 01742

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831171255, enumerated as an "individual" on November 20, 2005.

The provider is located at 101 THOREAU ST CONCORD, MA 01742 and the phone number is (978) 369-9401.

Nurse Practitioner with taxonomy code 363LP0200X and a focus in Pediatrics.