MARYANN ELLIS FOSTER MD
NPI 1619084324
Obstetrics & Gynecology in Vancouver, WA

NPI Status: Active since August 25, 2006

Contact Information

12607 SE MILL PLAIN BLVD
VANCOUVER, WA
ZIP 98684
Phone: (360) 418-6001

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Obstetrics & Gynecology

About MARYANN FOSTER

This page provides the complete NPI Profile along with additional information for Maryann Foster, a women's health care provider established in Vancouver, Washington with a medical specialization in Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1619084324 assigned on August 2006. The practitioner's primary taxonomy code is 207V00000X with license number MD00031537 (WA). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI: 1619084324
Provider Name: MARYANN ELLIS FOSTER MD
Other Name: MARY ANN ELLIS MD
Other Name Type: Former Name (1)
Gender: Female
Entity Type: Individual
Location Address: 12607 SE MILL PLAIN BLVD VANCOUVER, WA 98684
Location Phone: (360) 418-6001
Mailing Address: 17101 NE STONEY MEADOWS DR VANCOUVER, WA 98682
Mailing Phone: (360) 944-7994
Is Sole Proprietor?: No
Enumeration Date: 08-25-2006
Last Update Date: 07-08-2007
Code Navigator

Women's health care providers like Maryann Foster treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, etc.

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: Obstetrics & Gynecology
Taxonomy Code: 207V00000X
Type: Allopathic & Osteopathic Physicians
License No.: MD00031537
License State: WA
Taxonomy Description: An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

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	207V00000X	Allopathic & Osteopathic Physicians	Obstetrics & Gynecology	MD18609 (OR)

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 1619084324, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 2

Pos 4

Unchanged

Pos 5

Doubled → 0

Pos 6

Unchanged

Pos 7

Doubled → 8

Pos 8

Unchanged

Pos 9

Doubled → 4

Check

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 1 → 2 0 → 0 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 0 + 8 + 8 + 3 + 4 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4

This NPI is valid

The calculated check digit is 4, which matches the last digit of 1619084324.