ANN-MARIE SEIDEL PA-C
NPI 1043162050
Physician Assistant - Surgical in Phoenix, AZ

NPI Status: Active since February 11, 2026

Contact Information

2601 E ROOSEVELT ST
PHOENIX, AZ
ZIP 85008
Phone: (602) 344-5011

Recently Updated NPI Information
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.

Table of Contents

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

Individual
Female
Physician Assistant
Surgical

About ANN-MARIE SEIDEL

This page provides the complete NPI Profile along with additional information for Ann-marie Seidel, a provider established in Phoenix, Arizona with a medical specialization in Physician Assistant, focusing in surgical . The healthcare provider is registered in the NPI registry with number 1043162050 assigned on February 2026. The practitioner's primary taxonomy code is 363AS0400X with license number 11643 (AZ). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI: 1043162050
Provider Name: ANN-MARIE SEIDEL PA-C
Gender: Female
Entity Type: Individual
Location Address: 2601 E ROOSEVELT ST PHOENIX, AZ 85008
Location Phone: (602) 344-5011
Mailing Address: 11827 N 35TH ST PHOENIX, AZ 85028
Mailing Phone: (916) 390-6672
Is Sole Proprietor?: No
Enumeration Date: 02-11-2026
Last Update Date: 06-26-2026
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Location Map

Secondary Locations

450 30th St
Oakland, CA 94609
(510) 869-9200

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: Physician Assistant Surgical
Taxonomy Code: 363AS0400X
Type: Physician Assistants & Advanced Practice Nursing Providers
License No.: 11643
License State: AZ

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 1043162050, 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.

Pos 1

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 2

Pos 6

Unchanged

Pos 7

Doubled → 4

Pos 8

Unchanged

Pos 9

Doubled → 10 → 1 + 0

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 4 → 8 1 → 2 2 → 4 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 8 + 3 + 2 + 6 + 4 + 0 + 1 + 0 + 24 = 50

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.

50 - 50 = 0

This NPI is valid

The calculated check digit is 0, which matches the last digit of 1043162050.