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Frederick Ilgenfritz, M.D.
NPI 1861446379 · Surgery Physician · Hamilton, MT
Frederick Ilgenfritz, M.D. is a Surgery Physician provider in Hamilton, MT (NPI 1861446379).
Provider details
- NPI number
- 1861446379
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 8776 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1150 Westwood Dr
Suite C
Hamilton, MT 59840-5318
Phone: (406) 363-4574
Fax: (406) 363-4569
Street-level locationGet directions
Mailing address
1224 W Main St
Hamilton, MT 59840-2338
Registry dates
- Enumerated
- 2006-05-20
- Last updated
- 2015-11-05
Frequently asked questions
- What is Frederick Ilgenfritz's NPI number?
- Frederick Ilgenfritz's National Provider Identifier (NPI) is 1861446379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederick Ilgenfritz's specialty?
- Frederick Ilgenfritz is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Frederick Ilgenfritz located?
- Frederick Ilgenfritz's practice location on file with NPPES is 1150 Westwood Dr, Hamilton, MT 59840-5318.
- What is Frederick Ilgenfritz's phone number?
- The practice phone number listed in the NPPES registry for Frederick Ilgenfritz is (406) 363-4574.
- Is Frederick Ilgenfritz's NPI active?
- Yes — Frederick Ilgenfritz's NPI (1861446379) is active in the NPPES registry as of the last update on 2015-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.