OAK VALLEY OTOLARYNGOLOGY INC
NPI 1659667285
Otolaryngology in Oakdale, CA

NPI Status: Active since June 22, 2011

Contact Information

250 S OAK AVE
SUITE 4
OAKDALE, CA
ZIP 95361
Phone: (209) 845-0100
Fax: (209) 845-0130

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  • Organization
  • Otolaryngology
  • CLIA Number: 05D2263511
  • CLIA Cert. Type: Ambulance
  • CLIA Exp. Date: 06-28-2026

About OAK VALLEY OTOLARYNGOLOGY INC

This page provides the complete NPI Profile along with additional information for Oak Valley Otolaryngology Inc, a provider established in Oakdale, California operating as a Otolaryngology. The healthcare provider is registered in the NPI registry with number 1659667285 assigned on June 2011. The practitioner's primary taxonomy code is 207Y00000X. The provider is registered as an organization and their NPI record was last updated 15 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. Jerrold Polterock Md (Md/president)

NPI
1659667285
Provider Name
OAK VALLEY OTOLARYNGOLOGY INC
Entity Type
Organization
Location Address
250 S OAK AVE SUITE 4 OAKDALE, CA 95361
Location Phone
(209) 845-0100
Location Fax
(209) 845-0130
Mailing Address
250 S OAK AVE SUITE 4 OAKDALE, CA 95361
Mailing Phone
(209) 845-0100
Mailing Fax
(209) 845-0130
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-22-2011
Last Update Date
08-08-2011
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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. JERROLD POLTEROCK MD

Authorized Official Title
MD/PRESIDENT
Authorized Official Phone
(209) 845-0100

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
05D2263511
Facility Type
Ambulance
Certificate Effective Date
June 29, 2024
Certificate Expiration Date
June 28, 2026
Laboratory Director
LEE HORWITZ
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Oak Valley Otolaryngology Inc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1659667285, 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
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
6
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
2
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 5 → 10 → 1 6 → 12 → 3 7 → 14 → 5 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 1 + 2 + 6 + 1 + 4 + 2 + 1 + 6 + 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 1659667285.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Otolaryngology
250 S OAK AVE, SUITE 4
OAKDALE, CA 95361
Specialist
250 S OAK AVE, BUILDING A SUITE 3
OAKDALE, CA 95361
Internal Medicine (Gastroenterology)
250 S OAK AVE, BUILDING A SUITE 3
OAKDALE, CA 95361
Dentist (General Practice)
250 S OAK AVE, SUITE 2
OAKDALE, CA 95361
Pediatrics
250 S OAK AVE, SUITE A1
OAKDALE, CA 95361
Dentist
250 S OAK AVE
OAKDALE, CA 95361
Dentist
250 S OAK AVE, B3
OAKDALE, CA 95361
Pediatrics
250 S OAK AVE, SUITE A1
OAKDALE, CA 95361

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659667285, enumerated as an "organization" on June 22, 2011.

The provider is located at 250 S OAK AVE SUITE 4 OAKDALE, CA 95361 and the phone number is (209) 845-0100.

Otolaryngology with taxonomy code 207Y00000X.