MR. TROY GREENWALD HAS
NPI 1447716923
Hearing Instrument Specialist in Raleigh, NC
NPI Status: Active since February 20, 2019
Contact Information
8811 ELLSTREE LN
RALEIGH, NC
ZIP 27617
Phone: (919) 329-2711
Fax: (919) 701-6214
- Individual
- Male
- Hearing Instrument Specialist
About TROY GREENWALD
This page provides the complete NPI Profile along with additional information for Troy Greenwald, a provider established in Raleigh, North Carolina with a medical specialization in Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1447716923 assigned on February 2019. The practitioner's primary taxonomy code is 237700000X with license number 1474 (NC). The provider is registered as an individual and his NPI record was last updated 6 years ago.
- NPI
- 1447716923
- Provider Name
- MR. TROY GREENWALD HAS
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 8811 ELLSTREE LN RALEIGH, NC 27617
- Location Phone
- (919) 329-2711
- Location Fax
- (919) 701-6214
- Mailing Address
- 4900 ROYAL TROON DR RALEIGH, NC 27604
- Mailing Phone
- (423) 480-7390
- Mailing Fax
- (919) 701-6214
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 02-20-2019
- Last Update Date
- 02-06-2020
- Code Navigator
Location Map
Secondary Locations
- 100 Guy Rd
Clayton, NC 27520
(919) 989-6968 - 1610 Williamsboro St
Oxford, NC 27565
(919) 329-2711 - 113 S Pine St
Warsaw, NC 28398
(919) 735-7035 - 4419 Ben Franklin Blvd
Durham, NC 27704
(919) 329-2711 - 2328 Forest Hills Rd W
Wilson, NC 27893
(252) 237-4442 - 918 7th Ave
Garner, NC 27529
(919) 329-2711 - 11081 Forest Pines Dr Ste 112
Raleigh, NC 27614
(919) 329-2711 - 1140 Holly Springs Rd Ste 111
Holly Springs, NC 27540
(919) 329-2711 - 1400 Wayne Memorial Dr Ste B
Goldsboro, NC 27534
(919) 735-7035 - 514 N Brightleaf Blvd Ste 1304
Smithfield, NC 27577
(919) 989-6968 - 305 Tilghman Dr Ste D
Dunn, NC 28334
(919) 989-6968
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
Hearing Instrument Specialist
- Taxonomy Code
- 237700000X
- Type
- Speech, Language and Hearing Service Providers
- License No.
- 1474
- License State
- NC
- Taxonomy Description
- Individuals who test hearing for the selection, adaptation, fitting, adjusting, servicing, and sale of hearing aids. Hearing Instrument Specialist is a designation provided individuals who qualify by the National Hearing Aid Society
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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 1447716923, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 67 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1447716923, enumerated as an "individual" on February 20, 2019.
The provider is located at 8811 ELLSTREE LN RALEIGH, NC 27617 and the phone number is (919) 329-2711.
Hearing Instrument Specialist with taxonomy code 237700000X.
