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

MS. CAROLYN LOUISE LANGDON N.N.P.
NPI 1740245810
Nurse Practitioner - Neonatal, Critical Care in Phoenix, AZ

Active since April 19, 2006PECOS Enrolled
901 E WILLETTA ST, RM. 3503, PHOENIX, AZ 85006(602) 239-2635(602) 239-2307 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. Carolyn Louise Langdon N.n.p. NPPES

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

MS. CAROLYN LOUISE LANGDON N.N.P. (NPI 1740245810) is an individual neonatal, critical care provider in Phoenix, Arizona, licensed in Arizona (17) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740245810
Entity TypeIndividualFemale
Primary Taxonomy363LN0005X
Provider Legal NameMS. CAROLYN LOUISE LANGDONCredential: N.N.P.
Location Address901 E WILLETTA ST, RM. 3503Phoenix, AZ 85006-2727
Mailing Address4323 W Lapenna DrPhoenix, AZ 85087-4905 · (623) 518-9420 · Fax (623) 518-9420
Fax(602) 239-2307
Sole ProprietorNo
Enumeration DateApril 19, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1740245810 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Neonatal, Critical CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LN0005X
License Licensed in AZ · 17
901 E WILLETTA ST, Phoenix, AZ 85006

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Ms. Carolyn Louise Langdon N.n.p. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85006 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Psychiatry & Neurology (Behavioral Neurology & Neuropsychiatry)
901 E WILLETTA ST
PHOENIX, AZ 85006
Social Worker (Clinical)
901 E WILLETTA ST, 3RD FLOOR
PHOENIX, AZ 85006
Clinical Neuropsychologist
901 E WILLETTA ST
PHOENIX, AZ 85006
Pediatrics (Neonatal-Perinatal Medicine)
901 E WILLETTA ST, ROOM 3503
PHOENIX, AZ 85006
Obstetrics & Gynecology (Maternal & Fetal Medicine)
901 E WILLETTA ST
PHOENIX, AZ 85006
Pediatrics (Neonatal-Perinatal Medicine)
901 E WILLETTA ST, ROOM 3503
PHOENIX, AZ 85006
Social Worker (Clinical)
901 E WILLETTA ST
PHOENIX, AZ 85006
Psychiatry & Neurology (Neurology)
901 E WILLETTA ST
PHOENIX, AZ 85006

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 Carolyn Langdon's NPI number?

The NPI number for Carolyn Langdon is 1740245810. It was assigned to this individual provider in the NPPES registry on April 19, 2006.

Where is Carolyn Langdon located?

Carolyn Langdon practices at 901 E Willetta St Rm. 3503, Phoenix, AZ 85006. The listed phone number is (602) 239-2635.

What is Carolyn Langdon's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, Critical Care, with taxonomy code 363LN0005X.

Is Carolyn Langdon enrolled in Medicare?

Yes. Carolyn Langdon is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Carolyn Langdon 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.