MRS. MARIANNE THERESA FORTINO
NPI 1649413683
Audiologist in Chesterfield, MI

NPI Status: Active since April 07, 2009

Contact Information

31141 23 MILE RD
CHESTERFIELD, MI
ZIP 48047
Phone: (586) 725-5380
Fax: (586) 229-2495

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  • Individual
  • Female
  • Audiologist
  • Accepts Insurance

About MARIANNE FORTINO

This page provides the complete NPI Profile along with additional information for Marianne Fortino, a provider established in Chesterfield, Michigan with a medical specialization in Audiologist. The healthcare provider is registered in the NPI registry with number 1649413683 assigned on April 2009. The practitioner's primary taxonomy code is 231H00000X with license number 1601000222 (MI). The provider is registered as an individual and her NPI record was last updated January 2026.

NPI
1649413683
Provider Name
MRS. MARIANNE THERESA FORTINO
Gender
Female
Entity Type
Individual
Location Address
31141 23 MILE RD CHESTERFIELD, MI 48047
Location Phone
(586) 725-5380
Location Fax
(586) 229-2495
Mailing Address
31141 23 MILE RD CHESTERFIELD, MI 48047
Mailing Phone
(586) 725-5380
Mailing Fax
(586) 229-2495
Is Sole Proprietor?
No
Enumeration Date
04-07-2009
Last Update Date
01-13-2026
Code Navigator

Audiologists like Marianne Fortino 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

Secondary Locations

  • 1057 Suncrest Dr
    Lapeer, MI 48446
    (810) 664-4479
  • 51850 Dequindre Rd Ste 4
    Shelby Township, MI 48316
    (586) 930-0660

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.
1601000222
License State
MI
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.

Insurance Plans Accepted

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

  • Blue Cross� Premier PPO Bronze Extra - PPO
  • Blue Cross� Premier PPO Bronze Saver HSA - PPO
  • Blue Cross� Premier PPO Bronze Secure - PPO
  • Blue Cross� Premier PPO Gold - PPO
  • Blue Cross� Premier PPO Gold Extra - PPO
  • Blue Cross� Premier PPO Silver - PPO
  • Blue Cross� Premier PPO Silver Extra - PPO
  • Blue Cross� Premier PPO Silver Saver HSA - PPO
  • Blue Cross� Premier PPO Value - PPO

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

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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 1649413683, 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 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.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
4
Doubled → 8
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
1
Unchanged
Pos 7
3
Doubled → 6
Pos 8
6
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
3
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 4 → 8 4 → 8 3 → 6 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 8 + 9 + 8 + 1 + 6 + 6 + 1 + 6 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1649413683.

Other Providers at the Same Location


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

Dentist (General Practice)
31141 23 MILE RD
CHESTERFIELD, MI 48047
Audiologist
31141 23 MILE RD
CHESTERFIELD, MI 48047
Audiologist
31141 23 MILE RD
CHESTERFIELD, MI 48047

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649413683, enumerated as an "individual" on April 07, 2009.

The provider is located at 31141 23 MILE RD CHESTERFIELD, MI 48047 and the phone number is (586) 725-5380.

Audiologist with taxonomy code 231H00000X.

The provider might be accepting Accepts: Blue Cross Blue Shield of Michigan Mutual. Please consult your insurance carrier or call the provider to verify.