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

TRINITY M WALTER PA-C
NPI 1659189876
Physician Assistant in Des Moines, IA

Q: What is Trinity Walter's NPI number?

The NPI number for Trinity Walter is 1659189876. It was assigned to this individual provider in the NPPES registry on December 19, 2024.

Q: What is Trinity Walter'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 Trinity Walter was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 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.

Active since December 19, 2024PECOS EnrolledAccepts Medicare Assignment

808 5TH AVE, DES MOINES, IA 50309(515) 244-2267 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 14, 2026, Dec 19, 2024 (2 updates tracked since 2024).

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About Trinity M Walter Pa-c NPPES

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

TRINITY M WALTER PA-C (NPI 1659189876) is an individual physician assistant in Des Moines, Iowa, licensed in Iowa (138121) and active in the NPI registry since December 2024. She is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and maintains a secondary practice location in Billings.

NPPES Registry Identity

NPI1659189876

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameTRINITY M WALTERCredential: PA-C

Location Address808 5TH AVEDes Moines, IA 50309-1315

Mailing Address123 S 27th StBillings, MT 59101-4227 · (406) 247-3350 · Fax (406) 247-3389

Phone(515) 244-2267

Sole ProprietorYes

Medical School CMSOtherGraduated 2024

Enumeration DateDecember 19, 2024

Last NPPES UpdateJuly 14, 20262 updates tracked since enumeration

NPPES CertifiedJuly 14, 2026

✔ NPI 1659189876 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

Licenses✔ Licensed in IA · 138121✔ Licensed in MT · 146030

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.

808 5TH AVE, Des Moines, IA 50309

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Secondary Practice Location 1

Location 1123 S 27th StBillings, MT 59101-4227 · Phone (406) 247-3350 · Fax (406) 247-3389

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Trinity M Walter Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID42747180

PECOS Enrollment IDI20241231001619

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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Billings Clinic

Acute Care Hospitals · Billings, MT

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270004

Location2800 10th Ave NBillings, MT 59101 · Yellowstone County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50309 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

$81.84 typical visit price

range $52.96 – $161.40

Typical copayment $20.46 (range $13.24 – $40.35)

Most-billed visit code 99203

Established Patient

$66.36 typical visit price

range $16.91 – $131.98

Typical copayment $16.59 (range $4.22 – $32.99)

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.

JOANNA GILMORE

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