GREGORY A STAINER, M.D.
NPI 1942182522
Clinic/Center - Ophthalmologic Surgery in Bakersfield, CA
NPI Status: Active since July 23, 2025
Contact Information
4649 PLANZ RD
BAKERSFIELD, CA
ZIP 93309
Phone: (661) 833-4040
Fax: (661) 833-6721
- Organization
- Clinic/Center
- Ophthalmologic Surgery
About GREGORY A STAINER, M.D.
This page provides the complete NPI Profile along with additional information for Gregory A Stainer, M.d., a provider established in Bakersfield, California operating as a Clinic/center, focusing in ophthalmologic surgery . The healthcare provider is registered in the NPI registry with number 1942182522 assigned on July 2025. The practitioner's primary taxonomy code is 261QS0132X. The provider is registered as an organization and their NPI record was last updated one year ago. The authorized official of this NPI record is Dr. Gregory A Stainer Md (Owner)
- NPI
- 1942182522
- Provider Name
- GREGORY A STAINER, M.D.
- Entity Type
- Organization
- Location Address
- 4649 PLANZ RD BAKERSFIELD, CA 93309
- Location Phone
- (661) 833-4040
- Location Fax
- (661) 833-6721
- Mailing Address
- 1212 SKYLARK DR LA JOLLA, CA 92037
- Mailing Phone
- (661) 717-0237
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 07-23-2025
- Last Update Date
- 07-23-2025
- 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
Clinic/Center Ophthalmologic Surgery
- Taxonomy Code
- 261QS0132X
- Type
- Ambulatory Health Care Facilities
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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 1942182522, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).
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 68 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 7 providers are registered at the same or a nearby location.
BAKERSFIELD, CA 93309
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1942182522, enumerated as an "organization" on July 23, 2025.
The provider is located at 4649 PLANZ RD BAKERSFIELD, CA 93309 and the phone number is (661) 833-4040.
Clinic/Center with taxonomy code 261QS0132X and a focus in Ophthalmologic Surgery.
