DOUGLAS WALVOORD M.D.
NPI 1861497562
Urology in Holland, MI

NPI Status: Active since June 17, 2005

Contact Information

577 MICHIGAN AVE
STE 201
HOLLAND, MI
ZIP 49423
Phone: (616) 692-1816
Fax: (616) 392-1292

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  • Individual
  • Male
  • Urology

About DOUGLAS WALVOORD

This page provides the complete NPI Profile along with additional information for Douglas Walvoord, a provider established in Holland, Michigan with a medical specialization in Urology. The healthcare provider is registered in the NPI registry with number 1861497562 assigned on June 2005. The practitioner's primary taxonomy code is 208800000X with license number 4301033442 (MI). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1861497562
Provider Name
DOUGLAS WALVOORD M.D.
Gender
Male
Entity Type
Individual
Location Address
577 MICHIGAN AVE STE 201 HOLLAND, MI 49423
Location Phone
(616) 692-1816
Location Fax
(616) 392-1292
Mailing Address
577 MICHIGAN AVE STE 201 HOLLAND, MI 49423
Mailing Phone
(616) 692-1816
Mailing Fax
(616) 392-1292
Is Sole Proprietor?
No
Enumeration Date
06-17-2005
Last Update Date
10-09-2007
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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

Urology

Taxonomy Code
208800000X
Type
Allopathic & Osteopathic Physicians
License No.
4301033442
License State
MI
Taxonomy Description
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
B44920MEDICARE UPIN (02)MI 
OGO6075001MEDICARE ID-TYPE UNSPECIFIED (04)MI 

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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 1861497562, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
9
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
5
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
2
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 6 → 12 → 3 4 → 8 7 → 14 → 5 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 8 + 9 + 1 + 4 + 5 + 1 + 2 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1861497562.

Other Providers at the Same Location


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

Psychiatry & Neurology (Neurology)
577 MICHIGAN AVE, SUITE 101
HOLLAND, MI 49423
Urology
577 MICHIGAN AVE, SUITE 201
HOLLAND, MI 49423
Dentist (Endodontics)
577 MICHIGAN AVE, SUITE 102
HOLLAND, MI 49423
Otolaryngology
577 MICHIGAN AVE, SUITE 101
HOLLAND, MI 49423
Otolaryngology
577 MICHIGAN AVE, SUITE 101
HOLLAND, MI 49423
Audiologist
577 MICHIGAN AVE, SUITE 101
HOLLAND, MI 49423
Internal Medicine (Pulmonary Disease)
577 MICHIGAN AVE
HOLLAND, MI 49423
Surgery
577 MICHIGAN AVE, SUITE 202
HOLLAND, MI 49423
Urology
577 MICHIGAN AVE, SUITE 201
HOLLAND, MI 49423
Otolaryngology
577 MICHIGAN AVE, SUITE 101
HOLLAND, MI 49423
Surgery
577 MICHIGAN AVE, SUITE 202
HOLLAND, MI 49423
Surgery
577 MICHIGAN AVE, SUITE 202
HOLLAND, MI 49423
Otolaryngology
577 MICHIGAN AVE, SUITE 101
HOLLAND, MI 49423
Surgery
577 MICHIGAN AVE, SUITE 202
HOLLAND, MI 49423
Urology
577 MICHIGAN AVE, SUITE 201
HOLLAND, MI 49423
Psychiatry & Neurology (Neurology)
577 MICHIGAN AVE, SUITE 203
HOLLAND, MI 49423
Otolaryngology
577 MICHIGAN AVE, SUITE 101
HOLLAND, MI 49423
Audiologist
577 MICHIGAN AVE, SUITE 101
HOLLAND, MI 49423
Otolaryngology
577 MICHIGAN AVE, SUITE 101
HOLLAND, MI 49423
Surgery
577 MICHIGAN AVE, SUITE 202
HOLLAND, MI 49423

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861497562, enumerated as an "individual" on June 17, 2005.

The provider is located at 577 MICHIGAN AVE STE 201 HOLLAND, MI 49423 and the phone number is (616) 692-1816.

Urology with taxonomy code 208800000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.