EVERARD H. WILLIAMS, M.D., INC.
NPI 1912132689
Otolaryngology in Pasadena, CA

NPI Status: Active since May 23, 2009

Contact Information

65 N MADISON AVE
SUITE 201
PASADENA, CA
ZIP 91101
Phone: (626) 577-7792
Fax: (626) 577-1060

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  • Organization
  • Otolaryngology

About EVERARD H. WILLIAMS, M.D., INC.

This page provides the complete NPI Profile along with additional information for Everard H. Williams, M.d., Inc., a provider established in Pasadena, California operating as a Otolaryngology. The healthcare provider is registered in the NPI registry with number 1912132689 assigned on May 2009. The practitioner's primary taxonomy code is 207Y00000X with license number G16567 (CA). The provider is registered as an organization and their NPI record was last updated 17 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Everard Horton Williams Sr. M.d. (Owner/pres.)

NPI
1912132689
Provider Name
EVERARD H. WILLIAMS, M.D., INC.
Entity Type
Organization
Location Address
65 N MADISON AVE SUITE 201 PASADENA, CA 91101
Location Phone
(626) 577-7792
Location Fax
(626) 577-1060
Mailing Address
65 N MADISON AVE SUITE 201 PASADENA, CA 91101
Mailing Phone
(626) 577-7792
Mailing Fax
(626) 577-1060
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-23-2009
Last Update Date
05-23-2009
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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

Otolaryngology

Taxonomy Code
207Y00000X
Type
Allopathic & Osteopathic Physicians
License No.
G16567
License State
CA
Taxonomy Description
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. EVERARD HORTON WILLIAMS SR. M.D.

Authorized Official Title
OWNER/PRES.
Authorized Official Phone
(626) 577-7792

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
A90437MEDICARE UPIN (02)CA 
00G165670MEDICAID (05)CA 

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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 1912132689, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 2 + 2 + 2 + 3 + 4 + 6 + 1 + 6 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1912132689.

Other Providers at the Same Location


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

Radiology (Diagnostic Radiology)
65 N MADISON AVE, LOWER LEVEL
PASADENA, CA 91101
Specialist
65 N MADISON AVE, STE 410
PASADENA, CA 91101
Internal Medicine
65 N MADISON AVE, SUITE 800
PASADENA, CA 91101
Internal Medicine (Endocrinology, Diabetes & Metabolism)
65 N MADISON AVE, SUITE 800
PASADENA, CA 91101
Internal Medicine
65 N MADISON AVE, SUITE 800
PASADENA, CA 91101
Internal Medicine
65 N MADISON AVE, SUITE 800
PASADENA, CA 91101
Internal Medicine
65 N MADISON AVE, SUITE 800
PASADENA, CA 91101
Psychiatry & Neurology (Psychiatry)
65 N MADISON AVE, SUITE 615
PASADENA, CA 91101
Acupuncturist
65 N MADISON AVE, #710
PASADENA, CA 91101
Podiatrist
65 N MADISON AVE, STE 512
PASADENA, CA 91101
Marriage & Family Therapist
65 N MADISON AVE, STE 612
PASADENA, CA 91101
Psychologist (Clinical)
65 N MADISON AVE, SUITE 620
PASADENA, CA 91101
Pharmacy (Community/Retail Pharmacy)
65 N MADISON AVE
PASADENA, CA 91101
Dentist
65 N MADISON AVE, SUITE# 506
PASADENA, CA 91101
Technician/Technologist (Optician)
65 N MADISON AVE
PASADENA, CA 91101
Technician/Technologist (Optician)
65 N MADISON AVE
PASADENA, CA 91101
Acupuncturist
65 N MADISON AVE, SUITE 710
PASADENA, CA 91101
Nurse Practitioner (Family)
65 N MADISON AVE, SUITE 610
PASADENA, CA 91101
Dermatology
65 N MADISON AVE, SUITE 409
PASADENA, CA 91101
Counselor (Addiction (Substance Use Disorder))
65 N MADISON AVE, SUITE 302
PASADENA, CA 91101

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912132689, enumerated as an "organization" on May 23, 2009.

The provider is located at 65 N MADISON AVE SUITE 201 PASADENA, CA 91101 and the phone number is (626) 577-7792.

Otolaryngology with taxonomy code 207Y00000X.

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