MARY CAROLINE DEIGERT PAC
NPI 1306890041
Physician Assistant in Billings, MT

Active since May 19, 2006PECOS EnrolledAccepts Medicare Assignment
123 S 27TH ST, BILLINGS, MT 59101(406) 247-3350(406) 247-3389 Get Directions Write a Review

NPPES record last updated: October 12, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 12, 2023, Feb 27, 2020 (2 updates tracked since 2020).

About Mary Caroline Deigert Pac NPPES

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

MARY CAROLINE DEIGERT PAC (NPI 1306890041) is an individual physician assistant in Billings, Montana, licensed in Montana (450) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1306890041
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARY CAROLINE DEIGERTCredential: PAC
Location Address123 S 27TH STBillings, MT 59101-4227
Mailing Address123 S 27th StBillings, MT 59101-4227 · (406) 247-3350 · Fax (406) 247-3389
Fax(406) 247-3389
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateMay 19, 2006
Last NPPES UpdateOctober 12, 20232 updates tracked since enumeration
NPPES CertifiedOctober 12, 2023
NPI 1306890041 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 MT · 450
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.

123 S 27TH ST, Billings, MT 59101

Other Names 1

Former Name (1)Mary Caroline Wozny Pac

Other Identifiers 2

Other000097213MT · Bcbs Pin
Other123054900WY · Mdcd Pin

Accepted 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

Mary Caroline Deigert Pac 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 ID6305857632
PECOS Enrollment IDI20060525000140
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 59101 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
$87.97 typical visit price
range $56.81 – $172.26
Typical copayment $21.99 (range $14.20 – $43.06)
Most-billed visit code 99203
Established Patient
$70.82 typical visit price
range $18.24 – $140.32
Typical copayment $17.70 (range $4.56 – $35.08)
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.

Registered Nurse
123 S 27TH ST
BILLINGS, MT 59101
Dietitian, Registered
123 S 27TH ST
BILLINGS, MT 59101
Registered Nurse
123 S 27TH ST
BILLINGS, MT 59101
Registered Nurse
123 S 27TH ST
BILLINGS, MT 59101
Public Health or Welfare
123 S 27TH ST
BILLINGS, MT 59101
Family Medicine
123 S 27TH ST
BILLINGS, MT 59101
Registered Nurse (Case Management)
123 S 27TH ST
BILLINGS, MT 59101
Internal Medicine
123 S 27TH ST
BILLINGS, MT 59101

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 Mary Deigert's NPI number?

The NPI number for Mary Deigert is 1306890041. It was assigned to this individual provider in the NPPES registry on May 19, 2006. The provider is also known as Mary Caroline Wozny Pac.

Where is Mary Deigert located?

Mary Deigert practices at 123 S 27th St, Billings, MT 59101. The listed phone number is (406) 247-3350.

What is Mary Deigert's specialty?

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

Is Mary Deigert enrolled in Medicare?

Yes. Mary Deigert is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mary Deigert accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Mary Deigert 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.

Is Mary Deigert affiliated with any hospitals?

According to CMS data, Mary Deigert is affiliated with Billings Clinic.

When was this NPI record last updated?

The NPPES record for Mary Deigert was last updated on October 12, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.