SIERRA EYECARE ASSOCIATES
NPI 1699854158
Optometrist in Jackson, CA

NPI Status: Active since November 03, 2006

Contact Information

817 COURT ST
SUITE 10
JACKSON, CA
ZIP 95642
Phone: (209) 223-2020
Fax: (209) 223-2046

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  • Organization
  • Optometrist
  • Medicare Supplier
  • Accepts Medicare Approved Payment
  • CLIA Number: 05D2173099
  • CLIA Cert. Type: Practitioner Other
  • CLIA Exp. Date: 10-03-2027

About SIERRA EYECARE ASSOCIATES

This page provides the complete NPI Profile along with additional information for Sierra Eyecare Associates, a provider established in Jackson, California operating as a Optometrist. The healthcare provider is registered in the NPI registry with number 1699854158 assigned on November 2006. The practitioner's primary taxonomy code is 152W00000X. 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. Steven J Fronk O.d. (Partner)

NPI
1699854158
Provider Name
SIERRA EYECARE ASSOCIATES
Entity Type
Organization
Location Address
817 COURT ST SUITE 10 JACKSON, CA 95642
Location Phone
(209) 223-2020
Location Fax
(209) 223-2046
Mailing Address
817 COURT ST SUITE 10 JACKSON, CA 95642
Mailing Phone
(209) 223-2020
Mailing Fax
(209) 223-2046
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-03-2006
Last Update Date
05-05-2009
Code Navigator



Sierra Eyecare Associates is a medicare supplier with PTAN 20636255 who accepts Medicare assignment for all durable medical equipment and supplies. The provider accepts the Medicare allowable as payment in full.The supplier carries the following product categories: Prosthetic Lenses: Conventional Eyeglasses or Prosthetic Lenses: Conventional Contact Lenses.

Location Map

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

Optometrist

Taxonomy Code
152W00000X
Type
Eye and Vision Services Providers
Taxonomy Description
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

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.

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. STEVEN J FRONK O.D.

Authorized Official Title
PARTNER
Authorized Official Phone
(209) 223-2020

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
0297050001MEDICARE NSC (07)CA 
ZZZ22847ZMEDICARE PIN (08) 
CPS5166OTHER (01)CAMEDICARE RAILROAD

Medical Equipment Supplier

The provider carries the following medical supplies product categories:

PTAN
20636255
Accepts Medicare Assignment
YES
Specialities List
Optometrist.
Competitive Bidding
NO

Supplies List

  • Prosthetic Lenses: Conventional Eyeglasses - Conventional Eyeglasses
  • Prosthetic Lenses: Conventional Contact Lenses - Conventional Contact Lenses

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
05D2173099
Facility Type
Practitioner Other
Certificate Effective Date
October 04, 2025
Certificate Expiration Date
October 03, 2027
Laboratory Director
RICHARD H. VAN BUSKIRK
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Sierra Eyecare Associates 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.

Reviews for SIERRA EYECARE ASSOCIATES

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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 1699854158, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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
9
Doubled → 18 → 1 + 8
Pos 4
9
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
5
Unchanged
Pos 7
4
Doubled → 8
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
8
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 9 → 18 → 9 8 → 16 → 7 4 → 8 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 8 + 9 + 1 + 6 + 5 + 8 + 1 + 1 + 0 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1699854158.

Other Providers at the Same Location


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

Optometrist
817 COURT ST, SUITE 10
JACKSON, CA 95642
Optometrist (Low Vision Rehabilitation)
817 COURT ST, SUITE 10
JACKSON, CA 95642
Optometrist
817 COURT ST, SUITE 10
JACKSON, CA 95642
Optometrist
817 COURT ST, SUITE 10
JACKSON, CA 95642
Dermatology (Dermatopathology)
817 COURT ST, SUITE #11
JACKSON, CA 95642
Pain Medicine (Pain Medicine)
817 COURT ST, SUITE 14
JACKSON, CA 95642
Pain Medicine (Pain Medicine)
817 COURT ST, SUITE 14
JACKSON, CA 95642
Dermatology
817 COURT ST
JACKSON, CA 95642

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1699854158, enumerated as an "organization" on November 03, 2006.

The provider is located at 817 COURT ST SUITE 10 JACKSON, CA 95642 and the phone number is (209) 223-2020.

Optometrist with taxonomy code 152W00000X.

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