MRS. ALEXANDRA GUTTMANN WALKER BSN, RN IBCLC
NPI 1336442151
Registered Nurse - Lactation Consultant in Washington, DC

NPI Status: Active since December 16, 2010

Contact Information

110 IRVING ST NW
WASHINGTON, DC
ZIP 20010
Phone: (202) 877-5363

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Insurance Plans Accepted
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Registered Nurse
Lactation Consultant

About ALEXANDRA WALKER

This page provides the complete NPI Profile along with additional information for Alexandra Walker, a provider established in Washington, District Of Columbia with a medical specialization in Registered Nurse, focusing in lactation consultant . The healthcare provider is registered in the NPI registry with number 1336442151 assigned on December 2010. The practitioner's primary taxonomy code is 163WL0100X with license number R216406 (DC). The provider is registered as an individual and her NPI record was last updated 8 years ago.

NPI: 1336442151
Provider Name: MRS. ALEXANDRA GUTTMANN WALKER BSN, RN IBCLC
Gender: Female
Entity Type: Individual
Location Address: 110 IRVING ST NW WASHINGTON, DC 20010
Location Phone: (202) 877-5363
Mailing Address: 8008 WESTOVER RD BETHESDA, MD 20814
Is Sole Proprietor?: Yes
Enumeration Date: 12-16-2010
Last Update Date: 03-17-2018
Code Navigator

A registered nurse (RN) like Alexandra Walker coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.

Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.

Location Map

Secondary Locations

8008 Westover Rd
Bethesda, MD 20814
(301) 646-5748

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: Registered Nurse Lactation Consultant
Taxonomy Code: 163WL0100X
Type: Nursing Service Providers
License No.: R216406
License State: DC

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	163W00000X	Nursing Service Providers	Registered Nurse	RN1038374 (DC)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Medicare

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Medicaid

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier	Type / Code	Identifier State	Identifier Issuer
RN1038374	OTHER (01)	DC	RN

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 1336442151, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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 → 6

Pos 4

Unchanged

Pos 5

Doubled → 8

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 3 → 6 4 → 8 2 → 4 5 → 10 → 1