DR. CARLOS A, DECARVALHO M.D.
NPI 1588640775
Psychiatry & Neurology - Neurology in Toledo, OH

NPI Status: Active since December 19, 2005

Contact Information

4895 MONROE ST
SUITE 102
TOLEDO, OH
ZIP 43623
Phone: (419) 475-4734
Fax: (419) 475-5092

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NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Individual
  • Male
  • Psychiatry & Neurology
  • Neurology

About CARLOS DECARVALHO

This page provides the complete NPI Profile along with additional information for Carlos Decarvalho, a provider established in Toledo, Ohio with a medical specialization in Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1588640775 assigned on December 2005. The practitioner's primary taxonomy code is 2084N0400X with license number 35-04-5182-C (OH). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI
1588640775
Provider Name
DR. CARLOS A, DECARVALHO M.D.
Gender
Male
Entity Type
Individual
Location Address
4895 MONROE ST SUITE 102 TOLEDO, OH 43623
Location Phone
(419) 475-4734
Location Fax
(419) 475-5092
Mailing Address
4895 MONROE ST SUITE 102 TOLEDO, OH 43623
Mailing Phone
(419) 475-4734
Mailing Fax
(419) 475-5092
Is Sole Proprietor?
Yes
Enumeration Date
12-19-2005
Last Update Date
03-07-2023
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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

Psychiatry & Neurology Neurology

Taxonomy Code
2084N0400X
Type
Allopathic & Osteopathic Physicians
License No.
35-04-5182-C
License State
OH
Taxonomy Description
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

Insurance Plans Accepted

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

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

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

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
35-04-5182-COTHER (01)OHOHIO MEDICAL LICENSE
34145271700OTHER (01)OHWORKER'S COMP
0449205MEDICAID (05)OH 

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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 1588640775, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
5
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
8
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
4
Unchanged
Pos 7
0
Doubled → 0
Pos 8
7
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
5
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 6 → 12 → 3 0 → 0 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 6 + 8 + 1 + 2 + 4 + 0 + 7 + 1 + 4 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1588640775.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Obstetrics & Gynecology
4895 MONROE ST, SUITE 203
TOLEDO, OH 43623
Specialist
4895 MONROE ST, SUITE 203
TOLEDO, OH 43623
Midwife
4895 MONROE ST, SUITE 203
TOLEDO, OH 43623
Specialist
4895 MONROE ST, SUITE 203
TOLEDO, OH 43623
Obstetrics & Gynecology
4895 MONROE ST, STE 203
TOLEDO, OH 43623
Obstetrics & Gynecology
4895 MONROE ST
TOLEDO, OH 43623
Obstetrics & Gynecology
4895 MONROE ST, SUITE 203
TOLEDO, OH 43623

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1588640775, enumerated as an "individual" on December 19, 2005.

The provider is located at 4895 MONROE ST SUITE 102 TOLEDO, OH 43623 and the phone number is (419) 475-4734.

Psychiatry & Neurology with taxonomy code 2084N0400X and a focus in Neurology.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.