DONALD HENRY CZELUSNIAK OD
NPI 1720181266
Optometrist in Fitchburg, MA
NPI Status: Active since September 07, 2006
Contact Information
76 SUMMER ST
STE 120
FITCHBURG, MA
ZIP 01420
Phone: (978) 345-3556
Fax: (978) 342-9251
- Individual
- Male
- Optometrist
About DONALD CZELUSNIAK
This page provides the complete NPI Profile along with additional information for Donald Czelusniak, a provider established in Fitchburg, Massachusetts with a medical specialization in Optometrist. The healthcare provider is registered in the NPI registry with number 1720181266 assigned on September 2006. The practitioner's primary taxonomy code is 152W00000X with license number 2164 (MA). The provider is registered as an individual and his NPI record was last updated 16 years ago.
- NPI
- 1720181266
- Provider Name
- DONALD HENRY CZELUSNIAK OD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 76 SUMMER ST STE 120 FITCHBURG, MA 01420
- Location Phone
- (978) 345-3556
- Location Fax
- (978) 342-9251
- Mailing Address
- PO BOX 1430 76 SUMMER ST FITCHBURG, MA 01420
- Mailing Phone
- (978) 345-3556
- Mailing Fax
- (978) 342-9251
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 09-07-2006
- Last Update Date
- 06-02-2010
- Code Navigator
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
- License No.
- 2164
- License State
- MA
- 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.
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 |
|---|---|---|---|
| 0399043 | MEDICAID (05) | MA | |
| T59415 | MEDICARE UPIN (02) | ||
| 410658 | MEDICARE ID-TYPE UNSPECIFIED (04) | MA |
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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 1720181266, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 54 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
FITCHBURG, MA 01420
FITCHBURG, MA 01420
FITCHBURG, MA 01420
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1720181266, enumerated as an "individual" on September 07, 2006.
The provider is located at 76 SUMMER ST STE 120 FITCHBURG, MA 01420 and the phone number is (978) 345-3556.
Optometrist with taxonomy code 152W00000X.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
