DR. LILY BARBOSA CROCCO DMD
NPI 1780255539
Clinic/Center - Dental in Castle Rock, WA

NPI Status: Active since July 02, 2021

Contact Information

358 FRONT AVE NW
CASTLE ROCK, WA
ZIP 98611
Phone: (360) 274-9100

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  • Individual
  • Female
  • Clinic/Center
  • Dental

About LILY CROCCO

This page provides the complete NPI Profile along with additional information for Lily Crocco, a provider established in Castle Rock, Washington with a medical specialization in Clinic/center, focusing in dental . The healthcare provider is registered in the NPI registry with number 1780255539 assigned on July 2021. The practitioner's primary taxonomy code is 261QD0000X with license number DENT.DE.61580977 (WA). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1780255539
Provider Name
DR. LILY BARBOSA CROCCO DMD
Gender
Female
Entity Type
Individual
Location Address
358 FRONT AVE NW CASTLE ROCK, WA 98611
Location Phone
(360) 274-9100
Mailing Address
140 GRAND RIDGE RD TOUTLE, WA 98649
Mailing Phone
(360) 274-9100
Is Sole Proprietor?
Yes
Enumeration Date
07-02-2021
Last Update Date
04-14-2026
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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

Clinic/Center Dental

Taxonomy Code
261QD0000X
Type
Ambulatory Health Care Facilities
License No.
DENT.DE.61580977
License State
WA

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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 1780255539, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
7
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
0
Unchanged
Pos 5
2
Doubled → 4
Pos 6
5
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
5
Unchanged
Pos 9
3
Doubled → 6
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 8 → 16 → 7 2 → 4 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 6 + 0 + 4 + 5 + 1 + 0 + 5 + 6 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1780255539.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Dentist (General Practice)
358 FRONT AVE NW
CASTLE ROCK, WA 98611
Clinic/Center (Dental)
358 FRONT AVE NW
CASTLE ROCK, WA 98611
Clinic/Center (Dental)
358 FRONT AVE NW
CASTLE ROCK, WA 98611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1780255539, enumerated as an "individual" on July 02, 2021.

The provider is located at 358 FRONT AVE NW CASTLE ROCK, WA 98611 and the phone number is (360) 274-9100.

Clinic/Center with taxonomy code 261QD0000X and a focus in Dental.