DR. MARC C JOHNSON
NPI 1942617147
Audiologist in Baltimore, MD
NPI Status: Active since July 20, 2014
Contact Information
601 N CAROLINE ST FL 6
DEPARTMENT OF OTOLARYNGOLOGY- HEAD AND NECK SURGERY
BALTIMORE, MD
ZIP 21287
Phone: (410) 955-6153
- Individual
- Male
- Audiologist
About MARC JOHNSON
This page provides the complete NPI Profile along with additional information for Marc Johnson, a provider established in Baltimore, Maryland with a medical specialization in Audiologist. The healthcare provider is registered in the NPI registry with number 1942617147 assigned on July 2014. The practitioner's primary taxonomy code is 231H00000X with license number 01350 (MD). The provider is registered as an individual and his NPI record was last updated 10 years ago.
- NPI
- 1942617147
- Provider Name
- DR. MARC C JOHNSON
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 601 N CAROLINE ST FL 6 DEPARTMENT OF OTOLARYNGOLOGY- HEAD AND NECK SURGERY BALTIMORE, MD 21287
- Location Phone
- (410) 955-6153
- Mailing Address
- 601 N CAROLINE ST FL 6 DEPARTMENT OF OTOLARYNGOLOGY- HEAD AND NECK SURGERY BALTIMORE, MD 21287
- Mailing Phone
- (410) 955-6153
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-20-2014
- Last Update Date
- 08-11-2016
- Code Navigator
Audiologists like Marc Johnson are experts in diagnosing issues related to various parts of the ear, including the outer, middle, and inner ear. They can identify conditions like vertigo, balance issues, hearing loss, and tinnitus, offering treatments based on a patient’s specific condition and severity. These specialists use specialized equipment to assess the cause and extent of hearing impairments, employing tools like audiometers to evaluate the range of frequencies and volumes a person can hear. In addition, audiologists counsel patients and their families, providing advice on managing and adapting to hearing loss.
Location Map
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
Audiologist
- Taxonomy Code
- 231H00000X
- Type
- Speech, Language and Hearing Service Providers
- License No.
- 01350
- License State
- MD
- Taxonomy Description
- (1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.
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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 1942617147, 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 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.
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 63 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1942617147, enumerated as an "individual" on July 20, 2014.
The provider is located at 601 N CAROLINE ST FL 6 DEPARTMENT OF OTOLARYNGOLOGY- HEAD AND NECK SURGERY BALTIMORE, MD 21287 and the phone number is (410) 955-6153.
Audiologist with taxonomy code 231H00000X.
