DR. JOSEPH J SAFIRSTEIN DDS
NPI 1285888172
Dentist - Orthodontics and Dentofacial Orthopedics in Portland, OR

NPI Status: Active since November 05, 2008

Contact Information

2707 NE 33RD AVE
PORTLAND, OR
ZIP 97212
Phone: (503) 233-8050
Fax: (503) 233-9502

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  • Individual
  • Male
  • Dentist
  • Orthodontics and Dentofacial Orthopedics

About JOSEPH SAFIRSTEIN

This page provides the complete NPI Profile along with additional information for Joseph Safirstein, a provider established in Portland, Oregon with a medical specialization in Dentist, focusing in orthodontics and dentofacial orthopedics . The healthcare provider is registered in the NPI registry with number 1285888172 assigned on November 2008. The practitioner's primary taxonomy code is 1223X0400X with license number D7854 (OR). The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI
1285888172
Provider Name
DR. JOSEPH J SAFIRSTEIN DDS
Gender
Male
Entity Type
Individual
Location Address
2707 NE 33RD AVE PORTLAND, OR 97212
Location Phone
(503) 233-8050
Location Fax
(503) 233-9502
Mailing Address
2707 NE 33RD AVE PORTLAND, OR 97212
Mailing Phone
(503) 233-8050
Mailing Fax
(503) 233-9502
Is Sole Proprietor?
Yes
Enumeration Date
11-05-2008
Last Update Date
04-25-2016
Code Navigator

A dentist like Joseph Safirstein 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.

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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

Dentist Orthodontics and Dentofacial Orthopedics

Taxonomy Code
1223X0400X
Type
Dental Providers
License No.
D7854
License State
OR
Taxonomy Description
That area of dentistry concerned with the supervision, guidance and correction of the growing or mature dentofacial structures, including those conditions that require movement of teeth or correction of malrelationships and malformations of their related structures and the adjustment of relationships between and among teeth and facial bones by the application of forces and/or the stimulation and redirection of functional forces within the craniofacial complex. Major responsibilities of orthodontic practice include the diagnosis, prevention, interception and treatment of all forms of malocclusion of the teeth and associated alterations in their surrounding structures; the design, application and control of functional and corrective appliances; and the guidance of the dentition and its supporting structures to attain and maintain optimum occlusal relations in physiologic and esthetic harmony among facial and cranial structures.

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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 1285888172, 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.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
1
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
2
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 8 → 16 → 7 8 → 16 → 7 8 → 16 → 7 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 6 + 5 + 1 + 6 + 8 + 1 + 6 + 1 + 1 + 4 + 24 = 68

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.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1285888172.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Internal Medicine (Hematology & Oncology)
2707 NE 33RD AVE
PORTLAND, OR 97212
Naturopath
2707 NE 33RD AVE
PORTLAND, OR 97212

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285888172, enumerated as an "individual" on November 05, 2008.

The provider is located at 2707 NE 33RD AVE PORTLAND, OR 97212 and the phone number is (503) 233-8050.

Dentist with taxonomy code 1223X0400X and a focus in Orthodontics and Dentofacial Orthopedics.