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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.

CHRISTY AYN MS PA C
NPI 1790769032
Physician Assistant in Augusta, ME

Active since November 30, 2005PECOS Enrolled

NPPES record last updated: October 28, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Christy Ayn Ms Pa C NPPES

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

CHRISTY AYN MS PA C (NPI 1790769032) is an individual physician assistant in Augusta, Maine, licensed in Maine (PA-583) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790769032
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameCHRISTY AYNCredential: MS PA C
Location Address1 VA CTRAugusta, ME 04330-6795
Mailing Address1 Va CtrAugusta, ME 04330-6795 · (207) 623-8411
Phone(207) 623-8411
Sole ProprietorNo
Enumeration DateNovember 30, 2005
Last NPPES UpdateOctober 28, 2026
NPPES CertifiedOctober 28, 2026
✔ NPI 1790769032 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 ME · PA-583
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.
1 VA CTR, Augusta, ME 04330
Open in Google Maps ↗

Other Names 1

Former Name (1)Christy A Rousseau Pa-c

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christy Ayn Ms Pa C 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 04330 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
$82.58 typical visit price
range $53.26 – $162.77
Typical copayment $20.64 (range $13.31 – $40.69)
Most-billed visit code 99203
Established Patient
$66.74 typical visit price
range $16.90 – $132.79
Typical copayment $16.68 (range $4.22 – $33.19)
Most-billed visit code 99213
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.

MS. EVELYN ROSE DAWSON
Registered Nurse (Medical-Surgical)
1 VA CTR
AUGUSTA, ME 04330
Kennebec County (207) 623-8411
JOSHUA PENNEY
Physical Therapist
1 VA CTR
AUGUSTA, ME 04330
Kennebec County (603) 630-0648
DR. RACHEL ANN MAYER PHARMD
Pharmacist
1 VA CTR
AUGUSTA, ME 04330
Kennebec County (207) 623-8411
WILLIAM KENNETH WANG
Pharmacist
1 VA CTR
AUGUSTA, ME 04330
Kennebec County (207) 623-8411
DR. JAMES P SMITH OD
Optometrist
1 VA CTR, TOGUS VAMC EYE CLINIC
AUGUSTA, ME 04330
Kennebec County (207) 623-8411
MS. DONNA MARIE GALLANT LCSW
Social Worker (Clinical)
1 VA CTR
AUGUSTA, ME 04330
Kennebec County (207) 623-8411
DEPT. OF VETERANS AFFAIRS
General Acute Care Hospital
1 VA CTR, RADIOLOGY, VA TOGUS
AUGUSTA, ME 04330
Kennebec County (207) 623-8411
BRIAN P MILLS MD
Anesthesiology (Addiction Medicine)
1 VA CTR
AUGUSTA, ME 04330
Kennebec County (207) 623-8411

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 Christy Ayn's NPI number?

The NPI number for Christy Ayn is 1790769032. It was assigned to this individual provider in the NPPES registry on November 30, 2005. The provider is also known as Christy A Rousseau Pa-C.

Where is Christy Ayn located?

Christy Ayn practices at 1 VA Ctr, Augusta, ME 04330. The listed phone number is (207) 623-8411.

What is Christy Ayn's specialty?

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

Is Christy Ayn enrolled in Medicare?

Yes. Christy Ayn is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Christy Ayn was last updated on October 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.