DR. ER-JIA MAO DDS, PHD
NPI 1326044058
Dentist - Periodontics in Seattle, WA

NPI Status: Active since June 27, 2005

Contact Information

2111 N NORTHGATE WAY
STE 215
SEATTLE, WA
ZIP 98133
Phone: (206) 367-6767
Fax: (206) 367-4788

Get Directions Write a Review

  • Individual
  • Male
  • Dentist
  • Periodontics

About ER-JIA MAO

This page provides the complete NPI Profile along with additional information for Er-jia Mao, a provider established in Seattle, Washington with a medical specialization in Dentist, focusing in periodontics . The healthcare provider is registered in the NPI registry with number 1326044058 assigned on June 2005. The practitioner's primary taxonomy code is 1223P0300X with license number DE8464 (WA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1326044058
Provider Name
DR. ER-JIA MAO DDS, PHD
Gender
Male
Entity Type
Individual
Location Address
2111 N NORTHGATE WAY STE 215 SEATTLE, WA 98133
Location Phone
(206) 367-6767
Location Fax
(206) 367-4788
Mailing Address
2111 N NORTHGATE WAY STE 215 SEATTLE, WA 98133
Mailing Phone
(206) 367-6767
Mailing Fax
(206) 367-4788
Is Sole Proprietor?
Yes
Enumeration Date
06-27-2005
Last Update Date
07-08-2007
Code Navigator

A dentist like Er-jia Mao 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

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 Periodontics

Taxonomy Code
1223P0300X
Type
Dental Providers
License No.
DE8464
License State
WA
Taxonomy Description
That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.

Reviews for DR. ER-JIA MAO DDS, PHD

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1326044058, 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 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
3
Unchanged
Pos 3
2
Doubled → 4
Pos 4
6
Unchanged
Pos 5
0
Doubled → 0
Pos 6
4
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
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 2 → 4 0 → 0 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 + 3 + 4 + 6 + 0 + 4 + 8 + 0 + 1 + 0 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1326044058.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Home Health
2111 N NORTHGATE WAY, STE 103
SEATTLE, WA 98133
Dentist (General Practice)
2111 N NORTHGATE WAY, STE 221
SEATTLE, WA 98133
Dentist (General Practice)
2111 N NORTHGATE WAY, STE. 221
SEATTLE, WA 98133
Social Worker (Clinical)
2111 N NORTHGATE WAY, SUITE 217
SEATTLE, WA 98133
Dentist (Periodontics)
2111 N NORTHGATE WAY
SEATTLE, WA 98133
Home Health
2111 N NORTHGATE WAY, SUITE 103
SEATTLE, WA 98133
Internal Medicine
2111 N NORTHGATE WAY, #217
SEATTLE, WA 98133
Mechanotherapist
2111 N NORTHGATE WAY, #221
SEATTLE, WA 98133
Counselor (Mental Health)
2111 N NORTHGATE WAY, SUITE 217
SEATTLE, WA 98133
Nurse Practitioner (Psychiatric/Mental Health)
2111 N NORTHGATE WAY, STE 217
SEATTLE, WA 98133
Naturopath
2111 N NORTHGATE WAY
SEATTLE, WA 98133
Counselor (Addiction (Substance Use Disorder))
2111 N NORTHGATE WAY, STE 212
SEATTLE, WA 98133
Counselor
2111 N NORTHGATE WAY, SUITE 212
SEATTLE, WA 98133

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1326044058, enumerated as an "individual" on June 27, 2005.

The provider is located at 2111 N NORTHGATE WAY STE 215 SEATTLE, WA 98133 and the phone number is (206) 367-6767.

Dentist with taxonomy code 1223P0300X and a focus in Periodontics.