ERIC A NASH, MD
NPI 1366295263
Otolaryngology in Walnut Creek, CA

NPI Status: Active since April 09, 2024

Contact Information

106 LA CASA VIA STE 260
WALNUT CREEK, CA
ZIP 94598
Phone: (925) 239-2900
Fax: (760) 691-2952

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  • Organization
  • Otolaryngology

About ERIC A NASH, MD

This page provides the complete NPI Profile along with additional information for Eric A Nash, Md, a provider established in Walnut Creek, California operating as a Otolaryngology. The healthcare provider is registered in the NPI registry with number 1366295263 assigned on April 2024. The practitioner's primary taxonomy code is 207Y00000X. The provider is registered as an organization and their NPI record was last updated 2 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 provider's is doing business as Eric A Nash, Md. The authorized official of this NPI record is Dr. Eric Anthony Nash Md (Physician / Owner)

NPI
1366295263
Provider Legal Name
EANASHMD INC
Other Organization Name
ERIC A NASH, MD
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
106 LA CASA VIA STE 260 WALNUT CREEK, CA 94598
Location Phone
(925) 239-2900
Location Fax
(760) 691-2952
Mailing Address
PO BOX 6119 LA QUINTA, CA 92248
Mailing Phone
(760) 899-7858
Mailing Fax
(760) 691-2952
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-09-2024
Last Update Date
08-25-2024
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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
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.

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. ERIC ANTHONY NASH MD

Authorized Official Title
PHYSICIAN / OWNER
Authorized Official Phone
(760) 899-7858

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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 1366295263, 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 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
3
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
6
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
2
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 6 → 12 → 3 2 → 4 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 2 + 6 + 4 + 9 + 1 + 0 + 2 + 1 + 2 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1366295263.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1366295263, enumerated as an "organization" on April 09, 2024.

The provider is located at 106 LA CASA VIA STE 260 WALNUT CREEK, CA 94598 and the phone number is (925) 239-2900.

Otolaryngology with taxonomy code 207Y00000X.