Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Marilee Michelle Simons, M.D.

Obstetrics & Gynecology Physician in Bozeman, MT · enumerated 2008 · practices at Praxis Pain Solutions, Inc..

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1932352176

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Registry record

Entity type Individual (Type 1)

Name Marilee Michelle Simons

Credential M.D.

Sex Female

Practice address Bozeman, MT, 59715

Phone (406) 414-5150

Fax (406) 414-5155

Enumeration date Oct 31, 2008

Last updated in NPPES Apr 15, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 36112 (MT) Secondary

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 7465104-1105 (UT) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
M011006971	Medicaid	MT	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Marilee Simons?

Marilee Simons is registered in NPPES with the primary taxonomy of Obstetrics & Gynecology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

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Kirsten Drake Medical Physician Assistant · Bozeman, MT NPI 1538131008 Melissa Wolf Obstetrics & Gynecology Physician · Bozeman, MT NPI 1619940590 Kristie Bodnar Obstetrics & Gynecology Physician · Bozeman, MT NPI 1134194970 Jami Chisdak Obstetrics & Gynecology Physician · Bozeman, MT NPI 1720033053 Shaun Gillis Obstetrics & Gynecology Physician · Bozeman, MT NPI 1265465207 Anders Persson Pulmonary Disease Physician · Bozeman, MT NPI 1194747139 Kathryn Borgenicht Geriatric Medicine (Internal Medicine) Physician · Bozeman, MT NPI 1073535019 Lori Newman Advanced Practice Midwife · Bozeman, MT NPI 1699873646

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-15.