DR. MATTHEW DONALD HOLTKAMP D.O.
NPI 1871840504
Psychiatry & Neurology - Neurology in Tacoma, WA

NPI Status: Active since August 13, 2012

Contact Information

9040 JACKSON AVE
TACOMA, WA
ZIP 98431
Phone: (253) 968-3885

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Neurology

About MATTHEW HOLTKAMP

This page provides the complete NPI Profile along with additional information for Matthew Holtkamp, a provider established in Tacoma, Washington with a medical specialization in Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1871840504 assigned on August 2012. The practitioner's primary taxonomy code is 2084N0400X with license number 0102203680 (VA). The provider is registered as an individual and his NPI record was last updated 2 years ago.

NPI
1871840504
Provider Name
DR. MATTHEW DONALD HOLTKAMP D.O.
Gender
Male
Entity Type
Individual
Location Address
9040 JACKSON AVE TACOMA, WA 98431
Location Phone
(253) 968-3885
Mailing Address
8901 WISCONSIN AVE DEPARTMENT OF NEUROLOGY BETHESDA, MD 20814
Mailing Phone
(301) 295-4771
Is Sole Proprietor?
No
Enumeration Date
08-13-2012
Last Update Date
11-27-2024
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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.
0102203680
License State
VA
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 1871840504, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
7
Doubled → 14 → 1 + 4
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
0
Doubled → 0
Pos 8
5
Unchanged
Pos 9
0
Doubled → 0
Check
4
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 0 → 0 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 4 + 1 + 1 + 6 + 4 + 0 + 5 + 0 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1871840504.

Other Providers at the Same Location


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

Nurse Practitioner (Family)
9040 JACKSON AVE
TACOMA, WA 98431
Physician Assistant
9040 JACKSON AVE, MAMC FAMILY MED DEPT
TACOMA, WA 98431
Nurse Practitioner (Family)
9040 JACKSON AVE
TACOMA, WA 98431
Nurse Practitioner (Neonatal)
9040 JACKSON AVE
TACOMA, WA 98431
Nurse Practitioner (Adult Health)
9040 JACKSON AVE, MADIGAN ARMY MEDICAL CENTER WTB CLINIC
TACOMA, WA 98431
Registered Nurse (Psychiatric/Mental Health, Adult)
9040 JACKSON AVE, MCHJ-CLQ-C
TACOMA, WA 98431
Counselor (Mental Health)
9040 JACKSON AVE
TACOMA, WA 98431
Specialist
9040 JACKSON AVE
TACOMA, WA 98431
Family Medicine
9040 JACKSON AVE
TACOMA, WA 98431
Urology
9040 JACKSON AVE
TACOMA, WA 98431
Nurse Anesthetist, Certified Registered
9040 JACKSON AVE
TACOMA, WA 98431
Nurse Practitioner (Adult Health)
9040 JACKSON AVE, MADIGAN ARMY MEDICAL CENTER
TACOMA, WA 98431
Nurse Practitioner (Family)
9040 JACKSON AVE
JOINT BASE LEWIS MCCHORD, WA 98431
Social Worker (Clinical)
9040 JACKSON AVE
TACOMA, WA 98431
Registered Nurse (Critical Care Medicine)
9040 JACKSON AVE
TACOMA, WA 98431
Pharmacist
9040 JACKSON AVE
TACOMA, WA 98431
Family Medicine
9040 JACKSON AVE, MADIGAN ARMY MEDICAL CENTER, FM DEPT
TACOMA, WA 98431
Registered Nurse (Emergency)
9040 JACKSON AVE
TACOMA, WA 98431
Anesthesiology
9040 JACKSON AVE
TACOMA, WA 98431
Registered Nurse (Gastroenterology)
9040 JACKSON AVE
TACOMA, WA 98431

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1871840504, enumerated as an "individual" on August 13, 2012.

The provider is located at 9040 JACKSON AVE TACOMA, WA 98431 and the phone number is (253) 968-3885.

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