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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. KAREN L ALLEN RN/CNM
NPI 1811993603
Nurse Practitioner - Obstetrics & Gynecology in Phoenix, AZ

Active since June 26, 2005
4212 N 16TH ST, PHOENIX, AZ 85016(602) 263-1200 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Karen L Allen Rn/cnm NPPES

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

MS. KAREN L ALLEN RN/CNM (NPI 1811993603) is an individual obstetrics & gynecology provider in Phoenix, Arizona, licensed in Arizona (RN041111) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1811993603
Entity TypeIndividualFemale
Primary Taxonomy363LX0001X
Provider Legal NameMS. KAREN L ALLENCredential: RN/CNM
Location Address4212 N 16TH STPhoenix, AZ 85016-5319
Mailing Address22602 N 42nd PlPhoenix, AZ 85050-8720 · (480) 473-7180 · Fax (480) 473-7180
Phone(602) 263-1200
Sole ProprietorNo
Enumeration DateJune 26, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1811993603 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Obstetrics & GynecologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LX0001X
License✔ Licensed in AZ · RN041111
4212 N 16TH ST, Phoenix, AZ 85016
Open in Google Maps ↗

Other Identifiers 1

Other61981284Federal Contractor Tpin

Other Providers at the Same Location NPPES 20

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

WENDY RAZO
Registered Nurse (Obstetric, High-Risk)
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
THOMAS RYAN HALL RN
Registered Nurse
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
DR. UMAR IQBAL M.D.
Family Medicine
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
SHARLA LOUISE WYATT RN
Registered Nurse
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
KATELYN WENTWORTH PELTIER PHARMD
Pharmacist
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
LAURA MOLANDER
Pharmacist
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
DR. ADEL M SALAMA M.D.
Internal Medicine
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
ANCITA BIGMAN RN
Registered Nurse
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1511

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 Karen Allen's NPI number?

The NPI number for Karen Allen is 1811993603. It was assigned to this individual provider in the NPPES registry on June 26, 2005.

Where is Karen Allen located?

Karen Allen practices at 4212 N 16th St, Phoenix, AZ 85016. The listed phone number is (602) 263-1200.

What is Karen Allen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Obstetrics & Gynecology, with taxonomy code 363LX0001X.

When was this NPI record last updated?

The NPPES record for Karen Allen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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.