GREGORY POLONSKY DDS
NPI 1316600950
Dentist in San Francisco, CA
NPI Status: Active since October 20, 2021
Contact Information
155 5TH ST
SAN FRANCISCO, CA
ZIP 94103
Phone: (415) 929-6473
- Individual
- Male
- Dentist
About GREGORY POLONSKY
This page provides the complete NPI Profile along with additional information for Gregory Polonsky, a provider established in San Francisco, California with a medical specialization in Dentist. The healthcare provider is registered in the NPI registry with number 1316600950 assigned on October 2021. The practitioner's primary taxonomy code is 122300000X with license number 106420 (CA). The provider is registered as an individual and his NPI record was last updated 4 years ago.
- NPI
- 1316600950
- Provider Name
- GREGORY POLONSKY DDS
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 155 5TH ST SAN FRANCISCO, CA 94103
- Location Phone
- (415) 929-6473
- Mailing Address
- 4036 ASHBROOK CIR SAN JOSE, CA 95124
- Is Sole Proprietor?
- No
- Enumeration Date
- 10-20-2021
- Last Update Date
- 05-25-2022
- Code Navigator
A dentist like Gregory Polonsky is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.
Location Map
Secondary Locations
- 505 Parnassus Ave
San Francisco, CA 94143
(415) 476-1316
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
Dentist
- Taxonomy Code
- 122300000X
- Type
- Dental Providers
- License No.
- 106420
- License State
- CA
- Taxonomy Description
- A dentist is a person qualified by a doctorate in dental surgery (D.D.S.) or dental medicine (D.M.D.), licensed by the state to practice dentistry, and practicing within the scope of that license. There is no difference between the two degrees: dentists who have a DMD or DDS have the same education. Universities have the prerogative to determine what degree is awarded. Both degrees use the same curriculum requirements set by the American Dental Association's Commission on Dental Accreditation. Generally, three or more years of undergraduate education plus four years of dental school is required to graduate and become a general dentist. State licensing boards accept either degree as equivalent, and both degrees allow licensed individuals to practice the same scope of general dentistry. Additional post-graduate training is required to become a dental specialist.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 390200000X | Student, Health Care | Student in an Organized Health Care Education/Training Program |
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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 1316600950, we treat the final digit (0) 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 0).
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 50 is 50. 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.
SAN FRANCISCO, CA 94103
SAN FRANCISCO, CA 94103
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1316600950, enumerated as an "individual" on October 20, 2021.
The provider is located at 155 5TH ST SAN FRANCISCO, CA 94103 and the phone number is (415) 929-6473.
Dentist with taxonomy code 122300000X.
