21ST CENTURY NEUROLOGY
NPI 1467492066
Psychiatry & Neurology - Neurology in Phoenix, AZ

Active since June 08, 2006CLIA 03D1011379 · Waiver
2601 N 3RD ST, SUITE 125, PHOENIX, AZ 85004(602) 265-6500 Get Directions Write a Review

NPPES record last updated: April 1, 2010. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About 21st Century Neurology NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

21ST CENTURY NEUROLOGY (NPI 1467492066) is a healthcare organization registered as a neurology in Phoenix, Arizona and active in the NPI registry since June 2006. The organization holds a CLIA Waiver certificate valid through April 7, 2027 and lists Stephen S Flitman, President, as its authorized official.

NPPES Registry Identity

NPI1467492066
Entity TypeOrganization
Primary Taxonomy2084N0400X
Legal Business NameXENOSCIENCE, INC.
Location Address2601 N 3RD ST, SUITE 125Phoenix, AZ 85004-1104
Mailing AddressPo Box 15567Phoenix, AZ 85060-5567 · (602) 265-6500
Organization SubpartNo
Authorized OfficialStephen S FlitmanPresident · (602) 265-6500
Enumeration DateJune 8, 2006
Last NPPES UpdateApril 1, 2010
NPI 1467492066 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
2601 N 3RD ST, Phoenix, AZ 85004

Other Names 1

Doing Business As21st Century Neurology

Other Identifiers 1

Medicare PINZ111491AZ

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 03D1011379

21st Century Neurology, Xenoscience · Phoenix, AZ
Active · expires Apr 7, 2027
CLIA Number03D1011379
Laboratory TypePhysician Office
Certificate Effective DateApril 8, 2025
Certificate Expiration DateApril 7, 2027
Laboratory DirectorStephen S. Flitman
Laboratory Phone(602) 265-6500
Laboratory Location21st Century Neurology, Xenoscience2601 North Third St Ste 125, Phoenix, AZ 85004
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Neurology)
2601 N 3RD ST, STE 125
PHOENIX, AZ 85004
Specialist
2601 N 3RD ST, SUITE 203
PHOENIX, AZ 85004
Assisted Living Facility
2601 N 3RD ST, SUITE 305
PHOENIX, AZ 85004
Internal Medicine
2601 N 3RD ST, SUITE 305
PHOENIX, AZ 85004
Preventive Medicine (Occupational Medicine)
2601 N 3RD ST, SUITE 305
PHOENIX, AZ 85004
Psychiatry & Neurology (Neurology)
2601 N 3RD ST, SUITE 125
PHOENIX, AZ 85004
Clinic/Center
2601 N 3RD ST, SUITE #308
PHOENIX, AZ 85004
Radiology (Diagnostic Radiology)
2601 N 3RD ST, SUITE 304
PHOENIX, AZ 85004

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Xenoscience, Inc.'s NPI number?

The NPI number for Xenoscience, Inc. is 1467492066. It was assigned to this organization in the NPPES registry on June 8, 2006. The provider is doing business as 21st Century Neurology.

Where is Xenoscience, Inc. located?

Xenoscience, Inc. is located at 2601 N 3rd St Suite 125, Phoenix, AZ 85004. The listed phone number is (602) 265-6500.

What is Xenoscience, Inc.'s specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Does Xenoscience, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 03D1011379) is associated with this NPI, valid through April 7, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Xenoscience, Inc. was last updated on April 1, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.