DR. WILLIAM LOWELL SIEGFRIED M.D.
NPI 1821162041
Psychiatry & Neurology - Psychiatry in Fresno, CA

NPI Status: Active since November 20, 2006

Contact Information

5151 N PALM AVE
SUITE 800
FRESNO, CA
ZIP 93704
Phone: (559) 499-1233
Fax: (559) 499-1232

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry

About WILLIAM SIEGFRIED

This page provides the complete NPI Profile along with additional information for William Siegfried, a provider established in Fresno, California with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1821162041 assigned on November 2006. The practitioner's primary taxonomy code is 2084P0800X with license number G40134 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1821162041
Provider Name
DR. WILLIAM LOWELL SIEGFRIED M.D.
Gender
Male
Entity Type
Individual
Location Address
5151 N PALM AVE SUITE 800 FRESNO, CA 93704
Location Phone
(559) 499-1233
Location Fax
(559) 499-1232
Mailing Address
5151 N PALM AVE SUITE 800 FRESNO, CA 93704
Mailing Phone
(559) 499-1233
Mailing Fax
(559) 499-1232
Is Sole Proprietor?
Yes
Enumeration Date
11-20-2006
Last Update Date
07-08-2007
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A psychiatrist like William Siegfried are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

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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 Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
License No.
G40134
License State
CA
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

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
G40134OTHER (01)CACA STATE LICENCE

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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 1821162041, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
1
Doubled → 2
Pos 6
6
Unchanged
Pos 7
2
Doubled → 4
Pos 8
0
Unchanged
Pos 9
4
Doubled → 8
Check
1
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 2 → 4 1 → 2 2 → 4 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 2 + 6 + 4 + 0 + 8 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1821162041.

Other Providers at the Same Location


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

Optometrist
5151 N PALM AVE, STE 150
FRESNO, CA 93704
Dentist
5151 N PALM AVE, STE 320
FRESNO, CA 93704
Optometrist
5151 N PALM AVE, SUITE 850
FRESNO, CA 93704
Psychologist (Clinical)
5151 N PALM AVE, SUITE 800
FRESNO, CA 93704
Psychologist (Clinical)
5151 N PALM AVE, STE #980
FRESNO, CA 93704
Psychologist (Clinical)
5151 N PALM AVE, SUITE 605
FRESNO, CA 93704
Dentist
5151 N PALM AVE, SUITE 450
FRESNO, CA 93704
Psychologist
5151 N PALM AVE, SUITE 750
FRESNO, CA 93704
Counselor (Mental Health)
5151 N PALM AVE
FRESNO, CA 93704
Social Worker (Clinical)
5151 N PALM AVE, SUITE 960
FRESNO, CA 93704
Psychologist
5151 N PALM AVE, #890
FRESNO, CA 93704
Psychologist (Clinical)
5151 N PALM AVE, SUITE 750
FRESNO, CA 93704
Psychologist
5151 N PALM AVE, SUITE 750
FRESNO, CA 93704
Psychologist (Clinical)
5151 N PALM AVE, SUITE 980
FRESNO, CA 93704
Marriage & Family Therapist
5151 N PALM AVE, STE 405
FRESNO, CA 93704
Marriage & Family Therapist
5151 N PALM AVE, SUITE 420
FRESNO, CA 93704
Optometrist
5151 N PALM AVE, 530
FRESNO, CA 93704
Optometrist
5151 N PALM AVE, SUITE 150
FRESNO, CA 93704
Marriage & Family Therapist
5151 N PALM AVE, #960
FRESNO, CA 93704
Optometrist
5151 N PALM AVE, SUITE 530
FRESNO, CA 93704

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821162041, enumerated as an "individual" on November 20, 2006.

The provider is located at 5151 N PALM AVE SUITE 800 FRESNO, CA 93704 and the phone number is (559) 499-1233.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.

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