MRS. HALEY JOYCE MESSER PA-C
NPI 1295974178
Physician Assistant in Apo, AE

Q: What is Haley Messer's NPI number?

The NPI number for Haley Messer is 1295974178. It was assigned to this individual provider in the NPPES registry on February 17, 2009. The provider is also known as Miss Haley Joyce Diffin None.

Q: What is Haley Messer's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Haley Messer was last updated on February 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since February 17, 2009

PSC 79 BOX 226, APO, AE 09714(405) 563-2143 Get Directions Write a Review

NPPES record last updated: February 17, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Mrs. Haley Joyce Messer Pa-c NPPES

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

MRS. HALEY JOYCE MESSER PA-C (NPI 1295974178) is an individual physician assistant in Apo, AE, licensed in Oklahoma (1085462) and active in the NPI registry since February 2009.

NPPES Registry Identity

NPI1295974178

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameMRS. HALEY JOYCE MESSERCredential: PA-C

Location AddressPSC 79 BOX 226Apo, AE 09714-0000

Mailing AddressPsc 79, Box 226Apo, AE 09714 · (405) 563-2143

Phone(405) 563-2143

Sole ProprietorYes

Enumeration DateFebruary 17, 2009

✔ NPI 1295974178 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in OK · 1085462

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Other Names 1

Former Name (1)Miss Haley Joyce Diffin None

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma.Insurance ›

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 Haley Messer's NPI number?

The NPI number for Haley Messer is 1295974178. It was assigned to this individual provider in the NPPES registry on February 17, 2009. The provider is also known as Miss Haley Joyce Diffin None.

Where is Haley Messer located?

Haley Messer practices at Psc 79 Box 226, Apo, AE 09714. The listed phone number is (405) 563-2143.

What is Haley Messer's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

What insurance does Haley Messer accept?

Health plans from Blue Cross and Blue Shield of Oklahoma list Haley Messer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Haley Messer was last updated on February 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.