DR. SHAUN J. GILLIS M.D.
NPI 1265465207
Obstetrics & Gynecology in Bozeman, MT

Active since July 09, 2006PECOS EnrolledAccepts Medicare Assignment
80.8/100
CMS Quality Rating
905 HIGHLAND BLVD STE 4500, BOZEMAN, MT 59715(406) 414-5150(406) 414-5175 Get Directions Write a Review

NPPES record last updated: April 10, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Apr 10, 2025, Aug 5, 2021 (2 updates tracked since 2021).

About Dr. Shaun J. Gillis M.d. NPPES

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

DR. SHAUN J. GILLIS M.D. (NPI 1265465207) is an individual obstetrics & gynecology provider in Bozeman, Montana, licensed in Montana (10375) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Bozeman Health Deaconess Hospital, and is a graduate of University Of Washington School Of Medicine (1999).

NPPES Registry Identity

NPI1265465207
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. SHAUN J. GILLISCredential: M.D.
Location Address905 HIGHLAND BLVD STE 4500Bozeman, MT 59715-6903
Mailing Address915 Highland BlvdBozeman, MT 59715-6902 · (406) 414-5000
Fax(406) 414-5175
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 1999
Enumeration DateJuly 9, 2006
Last NPPES UpdateApril 10, 20252 updates tracked since enumeration
NPPES CertifiedApril 10, 2025
✔ NPI 1265465207 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MT · 10375
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
905 HIGHLAND BLVD STE 4500, Bozeman, MT 59715

Other Identifiers 2

Other000099115Bcbs
Medicaid0063580MT

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

Dr. Shaun J. Gillis M.d. 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 ID7113821695
PECOS Enrollment IDI20031125000848
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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
32 services20 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
23 services21 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
19 services19 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Bozeman Health Deaconess Hospital

Acute Care Hospitals · Bozeman, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270057
Location915 Highland Blvd Suite 3310Bozeman, MT 59715 · Gallatin County
Emergency services Birthing friendly

Madison Valley Medical Center

Critical Access Hospitals · Ennis, MT
OwnershipVoluntary non-profit - Private
CMS Certification Number271329
Location305 N MainEnnis, MT 59729 · Madison County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59715 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
$130.52 typical visit price
range $56.81 – $172.26
Typical copayment $32.63 (range $14.20 – $43.06)
Most-billed visit code 99204
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.8/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.76
Promoting Interoperability87
Improvement Activities40
Cost58.08

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.

Obstetrics & Gynecology (Obstetrics)
905 HIGHLAND BLVD STE 4500
BOZEMAN, MT 59715
Nurse Practitioner (Family)
905 HIGHLAND BLVD STE 4500
BOZEMAN, MT 59715
Internal Medicine (Geriatric Medicine)
905 HIGHLAND BLVD STE 4500
BOZEMAN, MT 59715
Midwife
905 HIGHLAND BLVD STE 4500
BOZEMAN, MT 59715
Nurse Practitioner (Family)
905 HIGHLAND BLVD STE 4500
BOZEMAN, MT 59715
Obstetrics & Gynecology
905 HIGHLAND BLVD STE 4500
BOZEMAN, MT 59715
Obstetrics & Gynecology (Obstetrics)
905 HIGHLAND BLVD STE 4500
BOZEMAN, MT 59715
Nurse Practitioner (Family)
905 HIGHLAND BLVD STE 4500
BOZEMAN, MT 59715

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 Shaun Gillis's NPI number?

The NPI number for Shaun Gillis is 1265465207. It was assigned to this individual provider in the NPPES registry on July 9, 2006.

Where is Shaun Gillis located?

Shaun Gillis practices at 905 Highland Blvd Ste 4500, Bozeman, MT 59715. The listed phone number is (406) 414-5150.

What is Shaun Gillis's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Shaun Gillis enrolled in Medicare?

Yes. Shaun Gillis 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 Shaun Gillis accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Shaun Gillis 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 Shaun Gillis affiliated with any hospitals?

According to CMS data, Shaun Gillis is affiliated with Bozeman Health Deaconess Hospital and Madison Valley Medical Center.

When was this NPI record last updated?

The NPPES record for Shaun Gillis was last updated on April 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.