JOHN A. BYER M.D.
NPI 1780690933
Psychiatry & Neurology - Neurology in Sacramento, CA

NPI Status: Active since July 31, 2006

Contact Information

3160 FOLSOM BLVD
SACRAMENTO, CA
ZIP 95816
Phone: (916) 733-5336
Fax: (916) 733-5385

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Neurology

About JOHN BYER

This page provides the complete NPI Profile along with additional information for John Byer, a provider established in Sacramento, California with a medical specialization in Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1780690933 assigned on July 2006. The practitioner's primary taxonomy code is 2084N0400X with license number C43119 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1780690933
Provider Name
JOHN A. BYER M.D.
Gender
Male
Entity Type
Individual
Location Address
3160 FOLSOM BLVD SACRAMENTO, CA 95816
Location Phone
(916) 733-5336
Location Fax
(916) 733-5385
Mailing Address
4507 LONGHORN ST CARMICHAEL, CA 95608
Is Sole Proprietor?
No
Enumeration Date
07-31-2006
Last Update Date
07-08-2007
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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.
C43119
License State
CA
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
A11828MEDICARE UPIN (02) 

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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 1780690933, 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.

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 6 + 0 + 1 + 2 + 9 + 0 + 9 + 6 + 24 = 67

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.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1780690933.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Pediatrics
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Dermatology
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Dermatology
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Internal Medicine
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Internal Medicine (Gastroenterology)
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Family Medicine
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Orthopaedic Surgery
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Family Medicine
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Hospitalist
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Family Medicine (Adult Medicine)
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Family Medicine
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Family Medicine
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Hospitalist
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Family Medicine
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Orthopaedic Surgery
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Social Worker (Clinical)
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Podiatrist
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Family Medicine
3160 FOLSOM BLVD
SACRAMENTO, CA 95816
Psychiatry & Neurology (Psychiatry)
3160 FOLSOM BLVD
SACRAMENTO, CA 95816

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1780690933, enumerated as an "individual" on July 31, 2006.

The provider is located at 3160 FOLSOM BLVD SACRAMENTO, CA 95816 and the phone number is (916) 733-5336.

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.