THOMAS MATTHEW GRAY RRT, RCP
NPI 1851905327
Respiratory Therapist, Registered - Pulmonary Diagnostics in Santa Rosa, CA

NPI Status: Active since September 02, 2020

Contact Information

401 BICENTENNIAL WAY STE 190
SANTA ROSA, CA
ZIP 95403
Phone: (707) 393-3240

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Respiratory Therapist, Registered
Pulmonary Diagnostics

About THOMAS GRAY

This page provides the complete NPI Profile along with additional information for Thomas Gray, a provider established in Santa Rosa, California with a medical specialization in Respiratory Therapist, Registered, focusing in pulmonary diagnostics . The healthcare provider is registered in the NPI registry with number 1851905327 assigned on September 2020. The practitioner's primary taxonomy code is 2279P1004X with license number RCP1478 (CA). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI: 1851905327
Provider Name: THOMAS MATTHEW GRAY RRT, RCP
Gender: Male
Entity Type: Individual
Location Address: 401 BICENTENNIAL WAY STE 190 SANTA ROSA, CA 95403
Location Phone: (707) 393-3240
Mailing Address: 401 BICENTENNIAL WAY STE 190 SANTA ROSA, CA 95403
Mailing Phone: (707) 393-3240
Is Sole Proprietor?: No
Enumeration Date: 09-02-2020
Last Update Date: 09-02-2020
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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: Respiratory Therapist, Registered Pulmonary Diagnostics
Taxonomy Code: 2279P1004X
Type: Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.: RCP1478
License State: CA
Taxonomy Description: A registered respiratory therapist included in the area of pulmonary diagnostics are the following; collection and analysis of physiological specimens, interpretation of physiological data, administration of tests of the cardiopulmonary system, and the conduct of both neurophysiological and sleep disorders studies.

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 1851905327, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 10 → 1 + 0

Pos 4

Unchanged

Pos 5

Doubled → 18 → 1 + 8

Pos 6

Unchanged

Pos 7

Doubled → 10 → 1 + 0

Pos 8

Unchanged

Pos 9

Doubled → 4

Check

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 5 → 10 → 1 9 → 18 → 9 5 → 10 → 1 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 1 + 8 + 0 + 1 + 0 + 3 + 4 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7

This NPI is valid

The calculated check digit is 7, which matches the last digit of 1851905327.