IndividualActive
William Fernandez, M.D.
NPI 1104805662 · Internal Medicine Physician · Helena, MT
William Fernandez, M.D. is a Internal Medicine Physician provider in Helena, MT (NPI 1104805662).
Provider details
- NPI number
- 1104805662
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 8680 (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
2400 Gold Rush Ave
Helena, MT 59601-5663
Phone: (406) 465-6957
Fax: (406) 443-3350
Street-level locationGet directions
Mailing address
2400 Gold Rush Ave
Helena, MT 59601-5663
Registry dates
- Enumerated
- 2006-01-12
- Last updated
- 2009-03-23
Frequently asked questions
- What is William Fernandez's NPI number?
- William Fernandez's National Provider Identifier (NPI) is 1104805662, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Fernandez's specialty?
- William Fernandez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Fernandez located?
- William Fernandez's practice location on file with NPPES is 2400 Gold Rush Ave, Helena, MT 59601-5663.
- What is William Fernandez's phone number?
- The practice phone number listed in the NPPES registry for William Fernandez is (406) 465-6957.
- Is William Fernandez's NPI active?
- Yes — William Fernandez's NPI (1104805662) is active in the NPPES registry as of the last update on 2009-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.